JP2005032015A - Electronic device and program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily indicate a position coordinate desired by a user when instructing a position on a display screen by touch operation. <P>SOLUTION: When a graph screen GW1 is tapped with an input pen 4 (a), the coordinate value of a tap-in position P1 is calculated/displayed, and when the tapping in the tap-in position P1 is continued for a predetermined time or more (b), the tap-in coordinate value is converted to a rough number value, and an extended area EA1 is displayed. When the input pen 4 is slid in the extended area EA (c), the coordinate value converted to the rough number value is changed according to the slide (direction and quantity), and when the tapping in a tap position P2 is further continued for a predetermined time or more (d), the decimal place of the rough number value is increased by one. When tap-out is performed thereafter, the changed coordinate value is determined as an instructed coordinate value. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an electronic device and a program.

  2. Description of the Related Art Conventionally, a small electronic device called a graph scientific calculator having a so-called graph function for displaying graphs and figures is known. Graph scientific calculators are widely used in engineers' technical calculations and educational settings because they can visually grasp the characteristics of functions that are difficult to understand in the state of mathematical expressions.

  One type of graph scientific calculator includes a display screen formed integrally with a touch panel in order to improve user operability, and an input operation can be performed by a touch operation on the display screen.

For example, in Patent Document 1, when an arbitrary curve or straight line is drawn on a digitizer stacked on an LCD screen by using a predetermined input pen, a trajectory is detected by the digitizer, and based on the detected coordinate information, A technique is disclosed in which a locus is displayed on the LCD, a function that approximates the locus is found, and a graph based on the found function is drawn on the LCD.
Japanese Patent Laid-Open No. 06-175977

  However, in a scientific calculator including a display screen formed integrally with such a touch panel, when a position on the display screen (graph screen) is indicated by a touch operation, a position where a desired coordinate value is indicated cannot be indicated. There was a problem. This is because the coordinate value for each dot is determined as a value including a fraction that cannot be divided by equally dividing the display range of the graph by the display dots existing in the display range.

  For example, when a display pixel of 128 dots is included in the X-axis direction, if the display range of the X coordinate value is set as −5 <X <5, “0.078125” is assigned per display pixel (dot). That is, the 102nd dot of the display pixel counted in the X-axis direction represents x = 2.96875, and the 103rd dot represents x = 3.046875. Therefore, even if x = 3 is to be instructed, any one of the above values is instructed, and the coordinate position x = 3 desired by the user cannot be instructed.

  In view of the above circumstances, an object of the present invention is to enable easy designation of position coordinates desired by a user when a position on a display screen is designated by a touch operation.

In order to solve the above problem, the invention according to claim 1
In an electronic device comprising a display screen formed integrally with a touch panel,
Coordinate value calculation means (for example, the tablet 30 and CPU 10 in FIG. 2; step A13 in FIG. 6) for calculating the coordinate value of the indicated position on the display screen by a touch operation;
Clocking means (for example, CPU 10 in FIG. 2; step A14 in FIG. 6) for timing the duration of the touch operation on the same position;
Approximate number conversion means (for example, the CPU 10 in FIG. 2; step A17 in FIG. 6) for converting the coordinate value calculated by the coordinate value calculation means into an approximate value in accordance with the duration timed by the time measurement means;
It is an electronic device characterized by including.

The invention according to claim 11 is
To a computer having a display screen formed integrally with a touch panel,
A coordinate value calculation function (for example, step A13 in FIG. 6) for calculating the coordinate value of the designated position on the display screen by a touch operation;
A clocking function (for example, step A14 in FIG. 6) for clocking the duration of the touch operation on the same position;
An approximate number conversion function (for example, step A17 in FIG. 6) for converting the coordinate value calculated by the coordinate value calculation function into an approximate value in accordance with the duration timed by the time measurement function;
It is a program for realizing.

  According to the invention described in claim 1 or 11, the coordinate value of the indicated position on the display screen by the touch operation is calculated, and the calculated coordinate value is roughly determined according to the duration of the touch operation at the same position. Can be converted to a numerical value. Therefore, after the user designates the position on the display screen by a touch operation, the user can easily designate a desired position coordinate such as a well-cut numerical value by continuing the touch operation at the same position.

Further, as in the invention according to claim 2, in the electronic device according to claim 1,
The approximate number conversion means increases the number of digits of the approximate value to be converted in accordance with the measured duration (for example, the CPU 10 in FIG. 2; steps A21 in FIG. 6: YES to A22). Having
It's also good.

According to the second aspect of the present invention, the same effect as that of the first aspect of the present invention can be achieved, and the number of approximate numeric values to be converted can be increased according to the duration of the touch operation. Can do. Therefore, the user can easily specify the position coordinates of the desired number of digits by adjusting the duration of the touch operation.
Further, as in the invention according to claim 3, in the electronic device according to claim 1 or 2,
An enlarged display control means (for example, CPU 10 in FIG. 2; steps A21: YES to A22 in FIG. 6) that displays an enlarged area when the duration time measured by the time measuring means exceeds a predetermined time;
An approximate number changing means for changing the coordinate value converted to the approximate value in accordance with the moving direction and moving amount of the indicated position by the touch operation in the enlarged area controlled by the enlarged display control means,
It is good also as providing further.

  According to the invention described in claim 3, the same effect as that of the invention described in claim 1 or 2 is achieved, and when the duration of the touch operation exceeds a predetermined time, an enlarged area is displayed, The coordinate value converted into the approximate value can be changed according to the moving direction and moving amount in the enlarged area. Therefore, after the user designates the position on the display screen by the touch operation, the user can display the enlarged area by continuing the touch operation at the same position for a predetermined time or more, and the designated position by the touch operation is displayed in the enlarged area. The coordinate value converted to the approximate value can be changed by moving (the operation corresponding to the so-called “drag (referred to as“ slide ”in the embodiment)”) is performed. Without being limited to the number of digits of the coordinate value assigned to each display pixel of the screen, for example, a coordinate value with good cutting can be indicated.

Moreover, in the electronic device according to any one of claims 1 to 3, as in the invention according to claim 4,
The enlarged display control means includes:
Pixel frame display control means (for example, the CPU 10 in FIG. 2; step B11 in FIG. 10) that performs control to display a pixel frame that virtually represents the enlarged display pixel in the enlarged area;
Display form changing means (for example, CPU 10 in FIG. 2; step B11 in FIG. 10) for changing the display form in the pixel frame representing the display pixel corresponding to the indicated position;
It is good also as having.

  According to the fourth aspect of the present invention, the same effect as that of any one of the first to third aspects of the present invention can be achieved, and a pixel frame that virtually represents an enlarged display pixel in the enlarged area. It is possible to display and change the display form in the pixel frame representing the display pixel corresponding to the designated position. Accordingly, the user can clearly grasp the designated position by looking at the pixel frame whose display form has been changed, and can move the designated position in the enlarged area with reference to the pixel frame ( For example, a drag operation or the like can be performed.

Further, as in the invention according to claim 5, in the electronic device according to any one of claims 1 to 4,
When a predetermined touch operation is performed on the display screen, coordinate value determination means (for example, the CPU 10 in FIG. 2; step A20 in FIG. 6) determines the coordinate value changed by the coordinate value change means as the designated coordinate value. YES to A23) may be further provided.

  According to the fifth aspect of the invention, the same effect as that of any one of the first to fourth aspects of the invention can be achieved, and the changed coordinate value can be indicated when a predetermined touch operation is performed. It can be determined as a coordinate value. Therefore, the user can easily perform a series of operations such as designation of a position on the display screen, change of coordinate values, and confirmation of designated coordinate values by a simple operation such as a touch operation.

The invention described in claim 6
In an electronic device comprising a display screen formed integrally with a touch panel,
Coordinate value calculation means (for example, CPU 10 in FIG. 2; step A13 in FIG. 13) for calculating the coordinate value of the indicated position on the display screen by a touch operation;
Control is performed to display a designation window for hierarchically designating the value of each digit of the coordinate value calculated by the coordinate value calculation means by the touch movement operation in the vicinity of the designated position on the display screen by the touch operation. Window display control means (for example, CPU 10 in FIG. 2; steps C12 and C17 in FIG. 13);
Coordinate value decision means (for example, CPU 10 in FIG. 2; FIG. 13) decides the approximate value of the calculated coordinate value as the designated coordinate value with the number of digits designated in the designated window controlled by the window display control means. Step C18),
It is an electronic device characterized by including.

Further, the invention according to claim 12 is
To a computer having a display screen formed integrally with a touch panel,
A coordinate value calculation function (for example, step A13 in FIG. 13) for calculating the coordinate value of the indicated position on the display screen by a touch operation;
Control is performed to display a designation window for hierarchically designating the value of each digit of the coordinate value calculated by the coordinate value calculation function by the touch movement operation in the vicinity of the indicated position on the display screen by the touch operation. A window display control function (for example, steps C12 and C17 in FIG. 13);
A coordinate value confirmation function (for example, step C18 in FIG. 13) for confirming the approximate value of the calculated coordinate value as the designated coordinate value with the number of digits designated in the designated window display-controlled by the window display control function; ,
It is a program for realizing.

  According to the invention described in claim 6 or 12, the coordinate value of the designated position on the display screen by the touch operation is calculated, and the value of each digit of the calculated coordinate value in the vicinity of the designated position is calculated by the touch movement operation. Displays a specification window for hierarchical specification. Then, the approximate value of the calculated coordinate value can be determined as the designated coordinate value with the number of digits specified in the specified window. Therefore, the user can easily designate the position coordinates of the desired number of digits by designating the value of each digit of the coordinate value by a simple operation such as a touch movement operation in the designation window.

In the electronic device according to claim 6, as in the invention according to claim 7,
The coordinate determination means includes a change determination means (for example, the CPU 10 in FIG. 2; step C18 in FIG. 13) that changes and determines the calculated coordinate value with the value of each designated digit.
It's also good.

  According to the seventh aspect of the invention, the same effect as that of the sixth aspect of the invention can be obtained, and the calculated coordinate value is changed by the value of each digit designated in the designated window, thereby indicating the designated coordinate. It can be determined as a value. In addition, since the value of each digit is designated hierarchically in the designation window, the user can smoothly designate the desired digit value in order.

The invention according to claim 8 provides:
In an electronic device comprising a display screen formed integrally with a touch panel,
Coordinate value calculation means (for example, CPU 10 in FIG. 1; step A13 in FIG. 19) for calculating the coordinate value of the indicated position on the display screen by a touch operation;
Coordinate value display control means (for example, CPU 10 in FIG. 2; step A13 in FIG. 19) for performing control to display the coordinate values calculated by the coordinate value calculation means;
Digit designation means (for example, tablet 30 in FIG. 2 and CPU 10: Step E11 in FIG. 19: YES) for designating a part of the coordinate value display controlled by the coordinate value display control means by a touch operation;
Among the coordinate values controlled to be displayed, coordinate value determination means (for example, the CPU 10 in FIG. 2; step E14 in FIG. 19) determines the value from the most significant digit to the digit designated by the digit designation means as the designated coordinate value. )When,
It is an electronic device characterized by including.

The invention according to claim 13 is
To a computer having a display screen formed integrally with a touch panel,
A coordinate value calculation function (for example, step A13 in FIG. 19) for calculating the coordinate value of the designated position on the display screen by a touch operation;
A coordinate value display control function (for example, step A13 in FIG. 19) for performing control to display the coordinate value calculated by the coordinate value calculation function;
A digit designating function (for example, step E11 in FIG. 19: YES) for designating a part of the digit of the coordinate value whose display is controlled by the coordinate value display control function by a touch operation;
A coordinate value determination function (for example, step E14 in FIG. 19) for determining a value from the most significant digit to the digit designated by the digit designation function among the display-controlled coordinate values as an instruction coordinate value;
It is a program for realizing.

  According to the invention described in claim 8 or 13, when the coordinate value of the indicated position on the display screen by the touch operation is calculated and displayed, and a part of the digit of the displayed coordinate value is designated by the touch operation, The value from the most significant digit to the designated digit can be determined as the designated coordinate value. Therefore, the user can determine the value from the most significant digit to the designated digit as the designated coordinate value by designating a desired part of the displayed designated coordinate values by touch operation. Become. That is, it is possible to change the coordinate value of the designated position by a simple operation such as a touch operation and designate the desired position coordinate.

Moreover, in the electronic device according to any one of claims 6 to 8, as in the invention according to claim 9,
Control is performed to display an instruction mark at the instruction position, and when the instruction coordinate value is determined by the coordinate value determination means, the display control position corresponding to the instruction coordinate value is determined as the position to control the display of the instruction mark. Position changing means (for example, CPU 10 in FIG. 2; steps F11 to F12 in FIG. 22) for changing to a position on the screen may be further provided.

  According to the ninth aspect of the invention, the same effect as that of any of the sixth to eighth aspects of the invention can be obtained, and the indication mark is displayed at the designated position, and the designated coordinate value is determined. In this case, the position where the instruction mark is displayed can be changed to a position on the display screen corresponding to the determined instruction coordinate value.

The invention according to claim 10 is:
In an electronic device having a display screen formed integrally with a touch panel,
First coordinate value calculating means for calculating the coordinate value of the first designated position on the display screen (for example, CPU 10 in FIG. 2; step G12 in FIG. 26: YES);
First coordinate value display control means (for example, the CPU 10 in FIG. 2; step G15 in FIG. 26) that performs control to display the coordinate value calculated by the first coordinate value calculation means;
Digit designation means (for example, tablet 30 and CPU 10 in FIG. 2; step G16 in FIG. 26: YES) for designating a part of the digits of the coordinate values whose display is controlled by the first coordinate value display control means by a touch operation;
Second coordinate value calculation means for calculating the coordinate value of the second designated position on the display screen (for example, CPU 10 in FIG. 2; step G12 in FIG. 26: YES);
The coordinate value changing means for changing the coordinate value calculated by the second coordinate value calculating means to a value from the most significant digit to the digit specified by the digit specifying means (for example, the CPU 10 in FIG. 2; the step in FIG. 26) G14)
Second coordinate value display control means (for example, CPU 10 in FIG. 2; step G14 in FIG. 26) that performs control to display the coordinate values changed by the coordinate value change means;
It is an electronic device characterized by including.

The invention as set forth in claim 14
To a computer with a display screen that is integrated with the touch panel,
A first coordinate value calculation function (for example, step G12 in FIG. 26: YES) for calculating the coordinate value of the first designated position on the display screen;
A first coordinate value display control function for performing control to display the coordinate value calculated by the first coordinate value calculation function (for example, step G15 in FIG. 26);
A digit designating function (for example, step G16: YES in FIG. 26) for designating a part of the digit of the coordinate value that is display-controlled by the first coordinate value display control function,
A second coordinate value calculation function (for example, step G12 of FIG. 26: YES) for calculating the coordinate value of the second designated position on the display screen;
A coordinate value changing function (for example, step G14 in FIG. 26) for changing the coordinate value calculated by the second coordinate value calculating function to a value from the most significant digit to the digit specified by the digit specifying function;
A second coordinate value display control function (for example, step G14 in FIG. 26) for performing control to display the coordinate value changed by the coordinate value change function;
It is a program for realizing.

  According to the invention described in claim 10 or 14, the coordinate value of the first designated position on the display screen is calculated and displayed, and a part of the digit of the displayed coordinate value is designated by the touch operation. Further, the coordinate value of the second designated position on the display screen can be calculated, and the calculated coordinate value can be changed and displayed to a value from the most significant digit to the designated digit. That is, the designation of the number of digits for the coordinate value of the first designated position can be applied to the coordinates of other designated positions such as the second designated position.

  According to the invention described in claim 1 or 11, the coordinate value of the indicated position on the display screen by the touch operation is calculated, and the calculated coordinate value is approximated according to the duration of the touch operation at the same position. Can be converted to Therefore, after the user designates the position on the display screen by a touch operation, the user can easily designate a desired position coordinate such as a well-cut numerical value by continuing the touch operation at the same position.

According to the second aspect of the present invention, the number of approximate numeric values to be converted can be increased according to the duration of the touch operation. Therefore, the user can easily specify the position coordinates of the desired number of digits by adjusting the duration of the touch operation.
According to the third aspect of the present invention, when the duration of the touch operation exceeds a predetermined time, an enlarged area is displayed, and approximate values are displayed according to the moving direction and moving amount in the enlarged area. The coordinate value converted into can be changed. Therefore, after the user designates the position on the display screen by the touch operation, the user can display the enlarged area by continuing the touch operation at the same position for a predetermined time or more, and the designated position by the touch operation is displayed in the enlarged area. The coordinate value converted to the approximate value can be changed by moving (the operation corresponding to the so-called “drag (referred to as“ slide ”in the embodiment)”) is performed. Without being limited to the number of digits of the coordinate value assigned to each display pixel of the screen, for example, a coordinate value with good cutting can be indicated.

  According to the invention described in claim 4, the pixel frame that virtually represents the enlarged display pixel is displayed in the enlarged area, and the display form in the pixel frame that represents the display pixel corresponding to the designated position is changed. be able to. Accordingly, the user can clearly grasp the designated position by looking at the pixel frame whose display form has been changed, and can move the designated position in the enlarged area with reference to the pixel frame ( For example, a drag operation or the like can be performed.

  According to the fifth aspect of the present invention, when a predetermined touch operation is performed, the changed coordinate value can be determined as the designated coordinate value. Therefore, the user can easily perform a series of operations such as designation of a position on the display screen, change of coordinate values, and confirmation of designated coordinate values by a simple operation such as a touch operation.

  According to the invention described in claim 6 or 12, the coordinate value of the indicated position on the display screen by the touch operation is calculated, and the value of each digit of the calculated coordinate value in the vicinity of the indicated position is hierarchized by the touch movement operation. To display a specification window to specify automatically. Then, the approximate value of the calculated coordinate value can be determined as the designated coordinate value with the number of digits specified in the specified window. Therefore, the user can easily specify the position coordinates of the desired number of digits by designating the value of each digit of the coordinate value by a simple operation such as a touch movement operation in the designation window.

  According to the seventh aspect of the present invention, the calculated coordinate value can be changed with the value of each digit designated in the designated window and can be determined as the designated coordinate value. In addition, since the value of each digit is designated hierarchically in the designation window, the user can smoothly designate the desired digit value in order.

  According to the invention described in claim 8 or 13, when the coordinate value of the indicated position on the display screen by the touch operation is calculated and displayed, and a part of the digit of the displayed coordinate value is designated by the touch operation, The value from the upper digit to the designated digit can be determined as the designated coordinate value. Therefore, the user can determine the value from the most significant digit to the designated digit as the designated coordinate value by designating a desired part of the displayed designated coordinate values by touch operation. Become. That is, it is possible to change the coordinate value of the designated position by a simple operation such as a touch operation and designate the desired position coordinate.

  According to the ninth aspect of the present invention, when the indication mark is displayed at the designated position and the designated coordinate value is confirmed, the position where the designated mark is displayed corresponds to the decided designated coordinate value. It can be changed to a position on the display screen.

  Furthermore, according to the invention described in claim 10 or 14, the coordinate value of the first designated position on the display screen is calculated and displayed, and a part of the digit of the displayed coordinate value is designated by the touch operation. Further, the coordinate value of the second designated position on the display screen can be calculated, and the calculated coordinate value can be changed and displayed to a value from the most significant digit to the designated digit. That is, the designation of the number of digits for the coordinate value of the first designated position can be applied to the coordinates of other designated positions such as the second designated position.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the following, the case where the present invention is applied to a touch panel type scientific calculator which is a kind of small electronic device will be described. However, the application of the present invention is not limited to this, and a personal computer or a PDA ( Of course, the present invention can be applied to electronic devices such as personal digital assistants, mobile phones, and electronic watches.

[appearance]
FIG. 1 is a diagram showing an example of the appearance of a scientific calculator 1 to which the present invention is applied. As shown in FIG. 1, the scientific calculator 1 includes a display 2, a key group 3, and an input pen (stylus) 4. Each key constituting the key group 3 is assigned a unique function, and the user operates the scientific calculator 1 by pressing these keys. Further, the display 2 is formed integrally with a tablet (touch panel) 30 described later, and the user can operate the scientific calculator 1 by a touch operation on the display 2 using the input pen 4.

  The scientific calculator 1 has various functions such as a graph function for drawing a graph of a given graph expression, a trace function for displaying the coordinate value of a trace pointer moving on the drawn graph, and an arithmetic function. Yes.

[Internal configuration]
FIG. 2 is a block diagram showing an internal configuration of the scientific calculator 1. According to the figure, the scientific calculator 1 includes a CPU (Central Processing Unit) 10, an input unit 20, a tablet 30, a position detection circuit 31, a display unit 40, a display drive circuit 41, and a storage medium reading unit. 50, a RAM (Random Access Memory) 60, and a ROM (Read Only Memory) 80.

  The CPU 10 executes processing based on a predetermined program in accordance with an input instruction, and comprehensively controls the scientific calculator 1. Specifically, the CPU 10 expands a program read from the ROM 80 in the RAM 60 in response to an operation signal input from the input unit 20 or the tablet 30, and executes processing according to the program. Then, the processing result is stored in the RAM 60, and a display signal for displaying the processing result is output to the display driving circuit 41 to display a corresponding display screen. In the present embodiment, the CPU 10 has a time measuring function for measuring time in units of seconds, for example.

  The input unit 20 is an input device including keys necessary for numerical value input, function selection, and the like, and outputs an operation signal of the pressed key to the CPU 10. The input unit 20 corresponds to the key group 3 in FIG.

  The scientific calculator 1 includes a tablet 30 that is a touch panel and a position detection circuit 31 as input devices. The tablet 30 is formed integrally with the display unit 40, and is used in combination with an instruction pen (corresponding to the input pen 4 in FIG. 1) that indicates a position on the display unit 40. Further, the position detection circuit 31 connected to the tablet 30 detects an instructed position (instructed position) on the tablet 30 and outputs the detected position data to the CPU 10.

  The position detection circuit 31 detects the indicated position in units of display dots on the display screen. Specifically, as shown in FIG. 3, the designated position P is counted from the upper left display pixel PE0 of the rectangular display screen W in the right direction (horizontal direction) in FIG. When it corresponds to the vth display pixel PEp counted in the (vertical direction), the position of the designated position P is detected as (u, v).

  Then, the CPU 10 converts the detection position (u, v) by the position detection circuit 31 into coordinate values (x, y) according to a graph coordinate system (XY orthogonal coordinate system) based on a predetermined display coordinate range. Convert. Here, the display coordinate range is a drawing range of the graph, and is a range determined by the minimum value Xmin and maximum value Xmax of the X coordinate and the minimum value Ymin and maximum value Ymax of the Y coordinate.

  The user can realize a tap operation (touch operation) such as tap-in, tap-out, and slide (drag) by bringing the input pen 4 into contact with the tablet 30. Here, the tap-in is an operation at that time for bringing the input pen 4 into contact with the display screen, and the tap-out is an operation for releasing the touched input pen 4 from the display screen. Further, the sliding is an operation of sliding on the display screen while keeping the input pen 4 in contact. And operation of the input pen 4 with respect to the tablet 30 such as tap-in, tap-out, and slide is collectively referred to as tap (or tap operation). The position on the display screen with which the input pen 4 is in contact is referred to as a tap position, and in particular, the position where the tap-in is performed is referred to as a tap-in position.

  In FIG. 2, the display drive circuit 41 controls the display unit 40 based on the display signal input from the CPU 10 to display various display screens. The display unit 40 is configured by an LCD (Liquid Crystal Display), an ELD (Electronic Luminescent Display), or the like. The display unit 40 corresponds to the display 2 in FIG.

  The storage medium reading unit 50 reads / writes information from / to an external storage medium 51 such as a memory card or an IC memory.

  The RAM 60 includes a storage area (memory) that temporarily holds various programs executed by the CPU 10 and data related to the execution of these programs. The details of these storage areas will be described in each embodiment described later.

  The ROM 80 stores an initial program for performing various initial settings, hardware inspection, and loading of necessary programs. The CPU 10 sets the operating environment of the scientific calculator 1 by executing this initial program when the scientific calculator 1 is powered on. The ROM 80 stores programs and data for realizing various functions described later, in addition to programs and data for realizing various functions of the scientific calculator 1 such as a graph function and a trace function. The details of the program and data stored in the ROM 80 will be described in each embodiment described later.

  Seven embodiments applied to the scientific calculator 1 configured as described above will be described in order below.

[First Embodiment]
First, the first embodiment will be described.
In the first embodiment, when the duration of the tap operation at the tap-in position exceeds a predetermined time, the coordinate value of the tap-in position is changed to an approximate value and an enlarged area around the tap-in position is displayed. Then, the coordinate value converted into the approximate value is changed according to the slide in the enlarged area, and the changed coordinate value is determined as the designated coordinate value by tapping out.

[Configuration of ROM and RAM]
FIG. 4 is a block diagram showing the configuration of the RAM 60 (hereinafter referred to as “RAM 60a” as appropriate) and the ROM 80 (hereinafter referred to as “ROM 80a” as appropriate) in the first embodiment.

  According to FIG. 4A, the RAM 60a holds a display coordinate range storage area 61 that holds a set value of the display coordinate range, and a coordinate value of a tap-in position (hereinafter referred to as “tap-in coordinate value” as appropriate). A tap-in coordinate value storage area 62; an approximate coordinate value storage area 63 for holding approximate coordinate values; an instruction coordinate value storage area 64 for holding instruction coordinate values; and a tap holding time storage area 65 for holding tap holding time T , An enlargement magnification storage area 60 for holding an enlargement magnification n, and an increase / decrease unit storage area 67 for holding an increase / decrease unit m.

  The approximate coordinate value is an approximate value calculated by rounding down the tap-in coordinate value below a predetermined digit (or rounding it off). This approximate coordinate value is appropriately changed in accordance with the user's tap operation, and the value and the effective number of digits after the decimal point (hereinafter referred to as “rounding digit number”).

  The designated coordinate value is a coordinate value designated by the user's tap operation. Basically, the tap-in coordinate value is held, but as will be described later, when the tap-in coordinate value is changed by a predetermined tap operation, the changed coordinate value is determined as the designated coordinate value.

  The tap holding time T is a time during which a tap at the same position is continued, and an initial value “0” is held when a tap is not detected or when a slide is detected.

  The enlargement magnification n is an enlargement magnification with respect to a graph screen GW in an enlargement area EA, which will be described later. The enlargement ratio n is given according to a coordinate increase / decrease value calculation table 84 described later. When the enlarged area EA is not displayed, the initial value “1” is held.

  The increase / decrease unit m is a minimum unit for increasing / decreasing the X coordinate value and the Y coordinate value of the approximate coordinate value when the approximate coordinate value is changed. It is given according to the number of rounding digits.

  Further, according to FIG. 4B, the ROM 80a includes an approximate number calculation reference time 82, a digit number increase reference time 83, a coordinate increase / decrease value calculation table 84, and a coordinate instruction process A (1) in the first embodiment. And a coordinate instruction program 81a for realizing (see FIG. 6).

  The approximate number calculation reference time 82 is a reference time for calculating the approximate coordinate value from the tap-in coordinate value. When the tap holding time T exceeds the approximate number calculation reference time 82, the CPU 10 rounds the tap-in coordinate value. Calculate approximate coordinate values.

  The digit increase reference time 83 is a reference time for increasing the rounding digit number of the approximate coordinate value. When the tap holding time T exceeds the digit increase reference time 83, the CPU 10 Is changed to a value obtained by increasing the number of rounding digits by one digit.

  The coordinate increase / decrease value calculation table 84 is a table for calculating the increase / decrease value Δx of the X coordinate value and the increase / decrease value Yy of the Y coordinate value when the approximate coordinate value is changed. An example is shown.

  FIG. 5 is a diagram illustrating a data configuration example of the coordinate increase / decrease value calculation table 84. According to the figure, the coordinate increase / decrease value calculation table 84 stores an enlargement factor n (84b) and an increase / decrease unit m (84c) in association with each rounded digit number (84a) of the approximate coordinate value. ing.

[Operation]
FIG. 6 is a flowchart for explaining the operation of the scientific calculator 1 according to the coordinate instruction process A in the first embodiment, and FIG. 7 is a diagram illustrating a transition example of the display screen in the coordinate instruction process A. . The coordinate instruction process A is realized by the CPU 10 executing the coordinate instruction program 81a in the ROM 80a.

  According to FIG. 6, when the display operation of the graph screen is performed by the user, the CPU 10 activates the graph function, displays the graph screen GW for displaying the graph on the display unit 40, and sets predetermined display coordinates. A graph of a given graph expression is drawn within the range (step A11). On the graph screen GW, the user taps a desired position on the graph screen GW using the input pen 4.

  When a tap on the graph screen GW is detected (step A12: YES), the CPU 10 calculates the coordinate value (tap-in coordinate value) of the position where the tap-in is made (tap-in position), and the calculated tap-in coordinate value is displayed on the graph screen. It is displayed on the GW (step A13).

  FIG. 7A is a diagram showing an example of a display screen at this stage. According to the figure, a graph GR of a predetermined graph type is displayed on the graph screen GW1, and the coordinate value (2.9220779, -1.9) of the tap-in position P1 is displayed as the display coordinate value PN1 at the bottom of the screen. ing.

  Further, the CPU 10 counts (measures) the tap holding time T from the time point when the tap-in is detected (step A14). If the counted tap holding time T exceeds the approximate number calculation reference time 82 (step A15: YES), the vertical and horizontal lengths of the rectangular area AR1 within a predetermined range centered on the tap-in position P1. Is displayed with the tap-in position P1 being matched (step A16).

  At the same time, the CPU 10 calculates an approximate coordinate value obtained by rounding the tap-in coordinate value. Specifically, for each of the X coordinate value and the Y coordinate value of the tap-in coordinate value, a value obtained by truncating the second and subsequent digits after the decimal point (that is, the rounding digit number is “2 digits”) is set as the approximate coordinate value. Then, the display coordinate value PN1 is updated to the calculated approximate coordinate value. (Step A17).

  FIG. 7B is a diagram showing an example of the display screen at this stage. According to the figure, an enlarged area EA1 obtained by enlarging the area AR1 is displayed on the graph screen GW1. Further, the display coordinate value PN2 is updated to the approximate coordinate value (2.9, -1.9) obtained by rounding the coordinate value (2.9220779, -1.9) of the tap-in position P1. Then, the user slides the input pen 4 by a predetermined amount in a desired direction within the enlarged area EA1.

  When the movement of the tap position in the enlarged area EA1, that is, the slide is detected (step A18: YES), the CPU 10 changes the approximate coordinate value according to the detected movement direction and the movement amount, and changes the display coordinate value. The approximate coordinate value is updated later (step A19).

Specifically, first, tap movement amounts Δu and Δv are calculated. The tap movement amounts Δu and Δv are amounts that indicate how many of the display pixels the tap position is moved by the slide operation, and the detection position of the position P1 before the movement is (u1, v1). If the detection position of the previous position P2 is (u2, v2), the following expressions (1a) and (1b) are given.
Δu = u2-u1 (1a)
Δv = v2−v1 (1b)
Note that the tap movement amounts Δu and Δv represent “0” or a positive integer (natural number) to indicate the number of display pixels.

After calculating the tap movement amounts Δu and Δv, the dot movement amounts Δu ′ and Δv ′ are then calculated. The dot movement amounts Δu ′ and Δv ′ are amounts indicating how many of the enlarged display pixels the tap movement amounts Δu and Δv by the slide operation in the expansion area EA correspond to, It is given by equations (2a) and (2b).
Δu ′ = Δu / (enlargement magnification n) (2a)
Δv ′ = Δv / (enlargement magnification n) (2b)
However, since the dot movement amounts Δu ′ and Δv ′ represent numbers corresponding to display pixels, they are “0” or a positive integer (natural number).

Subsequently, an X coordinate increase / decrease value Δx and a Y coordinate increase / decrease value Δy are calculated according to the following equations (3a) and (3a).
Δx = (increase / decrease unit m) × Δu ′ (3a)
Δy = (increase / decrease unit m) × Δv ′ (3b)
Then, the calculated X coordinate increase / decrease value Δx is added to the approximate coordinate value X coordinate value, and the calculated Y coordinate increase / decrease value Δy is added to the approximate coordinate value Y coordinate value to change the approximate coordinate value. .

  FIG. 7C is a diagram showing an example of the display screen at this stage. This figure shows a case where the slide (move) is performed almost rightward from the tap position P1 to the tap position P2, and the display coordinate value PN3 is the X coordinate value of the approximate coordinate values (2.9, -1.9). Has been updated to the coordinate value (3.0, -1.9) increased by "0.1". Note that the Y coordinate value is not changed because the slide is almost in the right direction.

  Thereafter, if tap release, that is, tap-out is not detected (step A20: NO), the CPU 10 counts the tap holding time T at the tap position P2. When the counted tap holding time T exceeds the digit number increase reference time 83 (step A21: YES), an enlargement in which the area AR2 in a predetermined range centered on the tap position P2 is enlarged at the enlargement magnification n2 / n1. The area EA2 is displayed, the approximate coordinate value is changed to a value obtained by increasing the rounding digit number by one digit, and the display is updated (step A22). Thereafter, the process proceeds to step A18, and the same processing is repeated.

  FIG. 7D is a diagram illustrating an example of the display screen at this stage. According to the figure, an enlarged area EA2 obtained by enlarging the area AR2 is displayed, and the display coordinate value PN4 indicates the rounding digits of the X coordinate value and the Y coordinate value of the approximate coordinate value (3.0, -1.9). The coordinate values (3.00, -1.90) increased to 2 digits.

  When the input pen 4 is slid again in the enlarged area EA2, the value of the second digit after the decimal point of each of the X coordinate value and the Y coordinate value of the display coordinate value PN4 is increased or decreased according to the slide ( Step A18: YES to A19).

  When a tap-out is detected (step A20: YES), the CPU 10 determines the approximate coordinate value as the designated coordinate value (step A23), ends the display of the enlarged area EA, and displays the graph screen GW. Update (step A24). When the above processing is performed, the CPU 10 ends the coordinate instruction processing A.

[Action / Effect]
As described above, according to the first embodiment, when the desired position P1 on the graph screen GW1 is tapped, the coordinate value (tap-in coordinate value) of the tap-in position P1 is displayed. When the tap at the tap-in position P1 is continued for a time corresponding to the approximate number calculation reference time 82, the tap-in coordinate value is changed and displayed as an approximate coordinate value, and the area AR1 in the vicinity of the tap-in position P1 is enlarged. Area EA1 is displayed. When the input pen 4 is slid in the enlarged area EA1, the approximate coordinate value is changed and displayed according to the slide (direction and amount), and is determined as the designated coordinate value by tap-out.

  Therefore, after the user taps in, the user continues to tap at the tap-in position P1 for a time corresponding to the approximate number calculation reference time 82, and slides within the displayed enlarged area ER1 to be converted into an approximate value. The tapped-in coordinate value can be changed to a desired value. Furthermore, by continuing tapping at the same position for a time corresponding to the digit increase reference time 83, the number of digits after the decimal point (rounding digit) of the coordinate value converted to the approximate value is increased. The indicated coordinate value can be changed to a desired number of digits.

[Second Embodiment]
Next, a second embodiment will be described. In the following, the same components as those in the first embodiment described above are denoted by the same reference numerals, and the description thereof is omitted or simplified.
In the second embodiment, a pixel frame that virtually represents an enlarged display pixel is displayed in the enlarged area EA in the first embodiment described above.

[Configuration of ROM and RAM]
FIG. 8 is a block diagram showing the configuration of the RAM 60 (hereinafter referred to as “RAM 60b” as appropriate) and the ROM 80 (hereinafter referred to as “ROM 80b” as appropriate) in the second embodiment.

  According to FIG. 8A, the RAM 60b includes a display coordinate range storage area 61, a tap-in coordinate value storage area 62, an approximate coordinate value storage area 63, an indicated coordinate value storage area 64, and a tap holding time storage area 65. An enlargement magnification storage area 66, a tap movement amount storage area 68 that holds tap movement amounts Δu and Δv, and a dot movement amount storage area 69 that holds dot movement amounts Δu ′ and Δv ′. I have.

The tap movement amounts Δu and Δv are amounts indicating how much the movement amount of the tap position on the display screen W by the slide operation corresponds to the number of display pixels PE. When the detection position of the position Pa before the slide is (ua, va) and the detection position of the position Pb of the slide destination is (ub, vb), the tap movement amounts Δu and Δv are expressed by the following equations (4a), (4b) )
Given in.
Δu = ub−ua (4a)
Δv = vb−va (4b)
The tap movement amounts Δu and Δv represent “0” or a positive integer (natural number) in order to represent the number of display pixels PE.

The dot movement amounts Δu ′ and Δv ′ indicate how many tap movement amounts Δu and Δv in the enlarged area EA correspond to the pixel frame FL in the enlarged area EA. It is calculated according to (5a) and (5b).
Δu ′ = Δu / (enlargement magnification n) (5a)
Δv ′ = Δv / (enlargement magnification n) (5b)
However, the dot movement amounts Δu ′ and Δv ′ represent “0” or a positive integer (natural number) to indicate the number of pixel frames FL.

The pixel frame FL is a rectangular cell that virtually represents the enlarged display pixel PE in the enlarged area EA, and corresponds to the display pixel PE in the area AR before enlargement, as shown in FIG. . Further, the number of display pixels PE in the vertical and horizontal directions of the pixel frame FL is equal to the enlargement magnification n. That is, one pixel frame FL in the enlarged area EA enlarged at the enlargement magnification n is composed of n ² (= n × n) display pixels PE. This figure shows a case where the enlargement magnification n = 3, and one pixel frame is composed of a total of nine display pixels PE, three in the vertical direction and three in the horizontal direction.

  Further, according to FIG. 8B, the ROM 80b includes an approximate number calculation reference time 82 and a coordinate instruction program 81b for realizing the coordinate instruction processing B (see FIG. 10) in the second embodiment. Stored.

[Operation]
FIG. 10 is a flowchart for explaining the operation of the scientific calculator 1 according to the coordinate instruction process B in the second embodiment, and FIG. 11 is a diagram illustrating a transition example of the display screen in the coordinate instruction process B. . The coordinate instruction process B is realized by the CPU 10 executing the coordinate instruction program 81b in the ROM 80b.

  According to FIG. 10, when the display operation of the graph screen is performed by the user, the CPU 10 displays the graph screen GW on the display unit 40 (step A11). When a tap on the graph screen GW is detected (step A12: YES), the tap-in coordinate value is calculated and displayed on the graph screen GW (step A13), and the tap holding time T at the tap-in position is calculated. Count (step A14).

  FIG. 11A is a diagram showing an example of the display screen at this stage. According to the figure, the coordinate value (2.9220779, -1.9) of the tap-in position P1 is displayed on the graph screen GW2 as the display coordinate value PN1 at the bottom of the screen.

  When the tap holding time T exceeds the approximate number calculation reference time 82 (step A15: YES), the CPU 10 sets the vertical and horizontal lengths of the area AR3 centered on the tap-in position P1 as an enlargement factor n. The enlarged area EA3 enlarged in step 1 is displayed on the graph screen GW2. Further, a pixel frame FL that virtually represents each display pixel PE in the area AR3 is displayed in the enlarged area EA3, and the inside of the pixel frame FL corresponding to the display pixel PE at the tap-in position P3 is displayed in a shaded manner (step) B11).

  Further, the CPU 10 calculates an approximate coordinate value obtained by rounding the tap-in coordinate value, and updates the display coordinate value PN1 to the calculated approximate coordinate value (step A17).

  FIG. 11B is a diagram showing an example of the display screen at this stage. According to the figure, an enlarged area EA3 in which the area AR3 is enlarged is displayed on the graph screen GW3. In the enlarged area EA3, a plurality of pixel frames FL that virtually represent the three display pixels PE in the area AR are displayed, and within these pixel frames FL, the pixel frame FLp corresponding to the tap-in position P1. Is shaded. Further, the display coordinate value PN2 is updated to the approximate coordinate value (2.9, -1.9) obtained by rounding the coordinate value (2.9220779, -1.9) of the tap-in position P1.

When a slide in the enlarged area EA3 is detected (step A18: YES), the CPU 10 detects the tap movement amounts Δu and Δv by the slide according to the equations (4a) and (4b) (step B12). ). Next, the dot movement amounts Δu ′ and Δv ′ are calculated from the detected tap movement amounts Δu and Δv according to the equations (5a) and (5b) (step B13).
After calculating the dot movement amounts Δu ′ and Δv ′, the CPU 10 subsequently calculates the X coordinate increase / decrease value Δx and the Y coordinate increase / decrease value Δy according to the following equations (6a) and (6b).
Δx = (increase / decrease unit m) × Δu ′ (6a)
Δy = (increase / decrease unit m) × Δv ′ (6b)

  Then, the calculated X coordinate increase / decrease value Δx is added to the approximate coordinate value X coordinate value, and the calculated Y coordinate increase / decrease value Δy is added to the approximate coordinate value Y coordinate value to change the approximate coordinate value. . Also, the shaded display in the pixel frame FL is updated to a pixel frame FLp ′ that is separated from the currently shaded pixel frame FLp by Δu ′ in the right direction and Δv ′ in the downward direction ( Step B14).

  FIG. 11C is a diagram showing an example of the display screen at this stage. This figure shows a case where the slide from the position of the pixel frame FLp to the position of the pixel frame FLp ′ adjacent to the right is performed, and the display coordinate value PN5 is the X coordinate value of the approximate coordinate values (2.9, −1.9). Has been updated to the coordinate value (3.0, -1.9) increased by "0.1". Note that the Y coordinate value is not changed because the slide is to the pixel frame FLp ′ on the right side.

  Thereafter, if no tap-out is detected (step A20: NO), the CPU 10 proceeds to step A18 and repeats the same processing. If tap-out is detected (step A20: YES), the approximate coordinate value is determined as the designated coordinate value (step A23), and then the display of the enlarged area EA3 is terminated and the display of the graph screen GW3 is updated ( Step A24). When the above processing is performed, the CPU 10 ends the coordinate instruction processing B.

[Action / Effect]
As described above, according to the second embodiment, the enlarged area EA3 displaying the pixel frame FL representing each enlarged pixel PE is displayed in the enlarged area EA1 in the first embodiment. Further, the inside of the pixel frame FL representing the display pixel EP corresponding to the tap-in position P1 is shaded, and after the designated coordinate value is confirmed, the inside of the pixel frame FL representing the display pixel PE corresponding to the designated coordinate value is displayed. The shaded display image is changed to.
Therefore, the user can clearly grasp the indicated position by looking at the shaded display in the pixel frame FL, and can slide by referring to the pixel frame FL to change the coordinate value.

[Third Embodiment]
Next, a third embodiment will be described. In the following, the same elements as those in the first or second embodiment described above are denoted by the same reference numerals, and the description thereof is omitted or simplified.
In the third embodiment, when the tap duration for the tap-in position exceeds a predetermined time, a designation window is displayed for designating the value of each digit of the coordinate value for each digit in order from the most significant digit. The numerical value specified in the specified window is fixed as the designated coordinate value.

[Configuration of ROM and RAM]
FIG. 12 is a block diagram showing the configuration of a RAM 60 (hereinafter referred to as “RAM 60c” as appropriate) and a ROM 80 (hereinafter referred to as “ROM 80c” where appropriate) in the third embodiment.

  According to FIG. 11A, the RAM 60c has a display coordinate range storage area 61, a tap-in coordinate value storage area 62, an indicated coordinate value storage area 64, a tap holding time storage area 65, and a designation that holds designated numerical values. A numerical value storage area 71.

  The designated numerical value is a numerical value designated in a designation window DW to be described later. Specifically, the designated numerical value is held as character data obtained by concatenating designated values for each digit of coordinate values in order.

  Further, according to FIG. 12B, the ROM 80c includes a coordinate designation reference time 85 and a coordinate designation program 81c for realizing the coordinate designation process C (see FIG. 13) in the third embodiment. Stored.

  The coordinate designation reference time 85 is a reference time for displaying the designated window DW. When the tap holding time T exceeds the coordinate designation reference time, the CPU 10 displays the designated window DW on the graph screen GW. .

[Operation]
FIG. 13 is a flowchart for explaining the operation of the scientific calculator 1 according to the coordinate instruction process C in the third embodiment, and FIG. 14 is a diagram illustrating a transition example of the display screen in the coordinate instruction process C. . The coordinate instruction process C is realized by the CPU 10 executing the coordinate instruction program 81c in the ROM 80c.

  According to FIG. 13, when the display operation of the graph screen is performed by the user, the CPU 10 displays the graph screen GW on the display unit 40 (step A11). When a tap on the graph screen GW is detected (step A12: YES), the tap-in coordinate value is calculated and displayed on the graph screen GW (step A13), and the tap holding time T at the tap-in position is calculated. Count (step A14).

  FIG. 14A is a diagram showing an example of the display screen at this stage. According to the figure, on the graph screen GW3, the coordinate value (2.9220779, -1.9) of the tap-in position P1 is displayed as the display coordinate value PN1 at the bottom of the screen.

  When the tap holding time T exceeds the approximate number calculation reference time 82 (step C11: YES), the CPU 10 first designates the most significant digit of the X coordinate value in the vicinity of the tap-in position P1. The designated window DW1 is displayed, and in the designated window DW1, a numerical value that matches the numerical value of the most significant digit of the X coordinate value of the tap-in coordinate value is displayed in reverse as the designated value (step C12).

  FIG. 14B is a diagram showing an example of the display screen at this stage. According to the figure, a designation window DW1 for designating the numerical value of the maximum digit of the X coordinate value is displayed. In the designation window DW1, “one digit” which is the most significant digit of the X coordinate value of the tap-in coordinate value is displayed. A numerical value “2” that matches the numerical value of is highlighted.

  In the designation window DW1, the user slides the input pen 4 to a desired numerical value. In the figure, numerical values from “0” to “3” are displayed, but by sliding downward, other numerical values from “4” to “9” are sequentially displayed.

  When a vertical slide in the designated window DW1 is detected (step C13: YES), the CPU 10 changes the designated value of the designated window DW1 in accordance with the detected movement amount, and the changed new designated value. Is highlighted (step C14).

  If a rightward slide in the designated window DW1 is detected (step C15: YES), the CPU 10 determines the designated value in the designated window DW1 (step C16), and then continues to the next digit. A designation window DW2 for designating a numerical value is displayed at a position substantially right next to the designation window DW1 (step C17).

  FIG. 14C is a diagram showing an example of the display screen at this stage. According to the figure, a designation window DW2 for designating the numerical value of the next digit (second digit from the most significant digit) is displayed. In the designation window DW2, the numerical value “. (Decimal point)” is highlighted. In this case, the decimal point “.” Is one of the options in order to allow the designated value of the coordinate value to be arbitrarily designated.

  Thereafter, if no tap-out is detected (step A20: NO), the CPU 10 proceeds to step C13 and repeats the same processing.

  FIG. 14D is a diagram showing an example of a display screen when a numerical value of the next digit is further specified. According to the figure, a designation window DW3 for designating a numerical value of the next digit (third digit from the top row digit) is displayed. In the designation window DW3, the numerical value “6” is highlighted.

  When the tap-out is detected (step A20: YES), the CPU 10 determines the coordinate value obtained by replacing the X-coordinate value of the tap-in coordinate value with the designated numerical value as the designated coordinate value. Then, the display of the designated window DW is terminated, and the display coordinate value PN1 is updated to the determined designated coordinate value (step C18).

FIG. 14 is a diagram showing an example of the display screen at this stage. According to the figure, the display coordinate value PN5 is updated to a coordinate value (2.6, −1.9) in which the X coordinate value of the tap-in coordinate value is replaced with the numerical value “2.6” designated in the designation windows DW1 to DW3.
When the above processing is performed, the CPU 10 ends the coordinate instruction processing C.

[Action / Effect]
As described above, according to the third embodiment, when the desired position P1 on the graph screen GW3 is tapped, the coordinate value (tap-in coordinate value) of the tap-in position P1 is displayed. When the tap at the tap-in position P1 is continued for a time corresponding to the coordinate designation reference time 85 or longer, first, a designation window DW1 for designating the value of the most significant digit of the coordinate value is displayed. In this designation window DW1, the numerical value to be designated is changed when it is slid up and down, and the numerical value to be designated is fixed when it is slid in the right direction, and the designation window for designating the numerical value of the next digit DW2 is displayed. In this way, numerical values for each digit are designated in the designation windows DW1 to... Displayed in order, and the designated numerical values are determined as designated coordinate values by tapping out.

  In the third embodiment described above, the X coordinate value is designated, but the Y coordinate value can be designated in the same manner. Further, it is possible to select which of the X coordinate value and the Y coordinate value is designated and designate the selected coordinate value.

[Fourth Embodiment]
Next, a fourth embodiment will be described. In the following, the same components as those in the first to third embodiments described above are denoted by the same reference numerals, and the description thereof is omitted or simplified.
In the fourth embodiment, in the third embodiment, the numerical value (specified numerical value) specified by the specified window DW is displayed together with the display of the specified window DW.

[Configuration of ROM and RAM]
FIG. 15 is a block diagram showing a configuration of a ROM 80 (hereinafter, appropriately referred to as “ROM 80d”) in the fourth embodiment. According to the figure, the ROM 80d stores a coordinate designation reference time 85 and a coordinate designation program 81d for realizing the coordinate designation process D (see FIG. 16) in the fourth embodiment.
The configuration of the RAM 60 in the fourth embodiment is the same as the configuration of the RAM 60c shown in FIG. 12A in the third embodiment described above.

[Operation]
FIG. 16 is a flowchart for explaining the operation of the scientific calculator 1 according to the coordinate instruction process D in the fourth embodiment, and FIG. 17 is a diagram illustrating a transition example of the display screen in the coordinate instruction process D. . The coordinate instruction process D is realized by the CPU 10 executing the coordinate instruction program 81d in the ROM 80d.

  According to FIG. 16, when the display operation of the graph screen is performed by the user, the CPU 10 displays the graph screen GW on the display unit 40 (step A11). When a tap on the graph screen GW is detected (step A12: YES), the tap position coordinate value is calculated and displayed on the graph screen GW (step A13), and the tap holding time T at the tap-in position is calculated. Is counted (step A14).

  FIG. 17A is a diagram showing an example of the display screen at this stage. According to the figure, the coordinate value (2.9220779, -1.9) of the tap-in position P1 is displayed on the graph screen GW4 as the display coordinate value PN1 at the bottom of the screen.

  When the tap holding time T exceeds the coordinate designation reference time 85 (step C11: YES), the CPU 10 designates the numerical value of the most significant digit of the X coordinate value in the vicinity of the tap-in position P7. The window DW1 is displayed (step C12), and the current designated numerical value is displayed in the vicinity of the designated window DW1 (step D11).

  FIG. 17B is a diagram showing an example of the display screen at this stage. According to the figure, the designated window DW1 in which the numerical value “2” is highlighted is displayed. Also, the designated numerical value “2” at the present time is displayed in the designated numerical value display area NA formed above the designated window DW1.

  When a vertical slide in the designated window DW1 is detected (step C13: YES), the CPU 10 changes the designated value in the designated window DW1 according to the detected movement amount (step A14), and the designation. Change the specified numerical value according to the value change. Then, the changed designated numerical value is displayed in the designated numerical value display area NA (step D12).

  If a rightward slide in the designated window DW1 is detected (step C15: YES), the CPU 10 determines the designated value in the designated window DW1 (step C16) and designates the numerical value of the next digit. The designated window DW2 is displayed (step C17). Then, the designated numerical value is changed in accordance with the designated value of the next digit, and the changed designated numerical value is displayed in the designated numerical value display area NA (step D13).

  FIG. 17C is a diagram showing an example of the display screen at this stage. According to the figure, the designated window DW2 in which the numerical value “. (Decimal point)” is highlighted is displayed, and the designated numerical value “2.” at the present time is displayed in the designated numerical value display area NA. .

  Thereafter, if no tap-out is detected (step A20: NO), the CPU 10 proceeds to step C13 and repeats the same processing.

  FIG. 17D is a diagram showing an example of a display screen when a numerical value of the next digit (third digit from the most significant digit) is further specified. According to the figure, the designated window DW3 in which the numerical value “6” is highlighted is displayed, and the designated numerical value 2.6 ”at the present time is displayed in the designated numerical value display area NA.

  When the tap-out is detected (step A20: YES), the CPU 10 determines the coordinate value obtained by replacing the X coordinate value of the tap-in coordinate value with the designated numerical value as the designated coordinate value. Then, the display of the designated numerical value in the designated window DW and the designated numerical value display area NA is terminated, and the display coordinate value PN1 is updated to the determined designated coordinate value (step C18). When the above processing is performed, the CPU 10 ends the coordinate instruction processing D.

[Action / Effect]
As described above, according to the fourth embodiment, when the numerical value of each digit of the coordinate value is specified by the specified window DW, the current specified numerical value is the specified numerical value display area provided in the information of the specified window DW. Displayed in NA. Therefore, the user can easily know to what digit a numerical value is currently specified by viewing the current specified numerical value.

[Fifth Embodiment]
Next, a fourth embodiment will be described. In the following description, the same elements as those in the first to fourth embodiments described above are denoted by the same reference numerals, and the description thereof is omitted or simplified.
In the fifth embodiment, the numerical value part designated by the tap operation is determined as the designated coordinate value among the coordinate values (tap-in coordinate values) of the displayed tap-in position.

[Configuration of ROM and RAM]
FIG. 18 is a block diagram showing the configuration of a RAM 60 (hereinafter referred to as “RAM 60e” as appropriate) and a ROM 80 (hereinafter referred to as “ROM 80e” where appropriate) in the fifth embodiment.

  According to FIG. 18A, the RAM 60e includes a display coordinate range storage area 61, a tap-in coordinate value storage area 62, an indicated coordinate value storage area 64, and numerical values selected by the user among the display coordinate values. A selection numerical value storage area 72 for holding a certain selection numerical value.

  Further, according to FIG. 18B, the ROM 80e stores a coordinate instruction program 81e for realizing the coordinate instruction processing E (see FIG. 19) in the fifth embodiment.

[Operation]
FIG. 19 is a flowchart for explaining the operation of the scientific calculator 1 according to the coordinate instruction process E in the fifth embodiment, and FIG. 20 is a diagram illustrating a transition example of the display screen in the coordinate instruction process E. . The coordinate instruction process E is realized by the CPU 10 executing the coordinate instruction program 81e in the ROM 80e.

  According to FIG. 19, when the display operation of the graph screen is performed by the user, the CPU 10 displays the graph screen GW on the display unit 40 and displays a graph of a given graph formula within a predetermined display coordinate range. Drawing is performed (step A11). When a tap on the graph screen GW is detected (step A12: YES), a tap-in coordinate value is calculated and displayed on the graph screen GW (step A13).

  FIG. 20A is a diagram illustrating an example of a display screen at this stage. According to the figure, the coordinate value (2.9220779, -1.9) of the tap-in position P1 is displayed on the graph screen GW5 as the display coordinate value PN1 at the bottom of the screen. On this display screen, the user slides and selects a desired numerical value portion of the displayed X coordinate value.

  When a slide on the display coordinates is detected (step E11: YES), the CPU 10 determines which numerical part of the display coordinate value PN1 is selected from the detected movement amount. Then, the numerical value portion (selected numerical value) determined to be selected is highlighted (step E12).

  FIG. 20B is a diagram showing an example of the display screen at this stage. According to the figure, with respect to the X coordinate value “2.9220779” of the display coordinate value PN1, the numerical value portion “2.92” corresponding to the upper three digits is highlighted. On this display screen, the user inputs a “confirmation instruction”, for example, by operating a “confirmation key”.

  When “confirmation instruction” is input (step E13: YES), the CPU 10 confirms the coordinate value obtained by replacing the X coordinate value of the tap-in coordinate value with the selected numerical value as the instruction coordinate value. Then, the display coordinate value PN1 is updated to the determined designated coordinate value (step E14).

FIG. 20C is a diagram showing an example of the display screen at this stage. According to the figure, the display coordinate value PN7 is a coordinate value (2.92, -1.9) in which the X coordinate value of the tap-in coordinate value (2.9220779, -1.9) is replaced with "2.92" which is the selected numerical value portion (selected numerical value). ) Has been updated.
When the above processing is performed, the CPU 10 ends the coordinate instruction processing E.

[Action / Effect]
As described above, according to the fifth embodiment, when the desired numerical value part of the display coordinate value is selected to be traced by the slide, the selected numerical value part is highlighted and when the “confirmation instruction” is input, the display coordinate value is displayed. Is updated to the numerical value portion that is highlighted (selected), and the updated coordinate value is determined as the designated coordinate value.
Therefore, the user can easily update the tap-in coordinate value and determine it as the designated coordinate value by a simple operation such as sliding a desired numerical value portion of the display coordinate value.

[Sixth Embodiment]
Next, a sixth embodiment will be described. In the following description, the same elements as those in the first to fifth embodiments described above are denoted by the same reference numerals, and the description thereof is omitted or simplified.
In the sixth embodiment, when the coordinate value updated by the tap operation is confirmed as the designated coordinate value, the designated position is changed to the position of the confirmed designated coordinate value.

[Configuration of ROM and RAM]
FIG. 21 is a block diagram showing a configuration of the ROM 80 (hereinafter referred to as “ROM 80f”). According to the figure, the ROM 80f stores a coordinate instruction program 81f for realizing the coordinate instruction processing F (see FIG. 22) in the sixth embodiment.
The configuration of the RAM 60 in the sixth embodiment is the same as the configuration of the RAM 60e shown in FIG. 18A in the fifth embodiment described above.

[Operation]
FIG. 22 is a flowchart for explaining the operation of the scientific calculator 1 according to the coordinate instruction processing F in the sixth embodiment. FIG. 23 is a diagram showing an example of transition of the display screen in the coordinate instruction process F. The display screen is shown on the right side of the figure, and the left side of the figure is centered on the tap-in position P1 of the display screen. The configuration of the display pixels in the partial area is shown respectively. The coordinate instruction process F is realized by the CPU 10 executing the coordinate instruction program 81f in the ROM 80f.

  According to FIG. 22, when the display operation of the graph screen is performed by the user, the CPU 10 displays the graph screen GW on the display unit 40 (step A11). When a tap on the graph screen GW is detected (step A12: YES), a tap-in coordinate value is calculated and displayed on the graph screen GW (step A13), and at a position corresponding to the tap-in coordinate value, An instruction mark M indicating the instruction position is displayed.

  FIG. 23A is a diagram showing an example of the display screen at this stage. According to the figure, the coordinate value (2.9220779, -1.9) of the tap-in position P1 is displayed on the graph screen GW6 as the display coordinate value PN1 at the bottom of the screen. An instruction mark M is displayed at the tap-in position P1.

  When a slide on the display coordinate value PN1 is detected on this display screen (step E11: YES), the CPU 10 determines the selected numerical value portion (selected numerical value) of the display coordinate value PN1 from the detected movement amount. Then, the determined numerical part (selected numerical value) is displayed in reverse (step E12).

  FIG. 23B is a diagram showing an example of the display screen at this stage. According to the figure, the numerical value portion “2.92” is highlighted for the X coordinate value of the display coordinate value PN1.

  Then, when “confirmation instruction” is input (step E13: YES), the CPU 10 confirms the coordinate value obtained by replacing the X coordinate value of the tap-in coordinate value with the designated numerical value as the instruction coordinate value, and sets the display coordinate value PN1 as The determined coordinate value is updated (step E14).

  Further, the CPU 10 calculates a display pixel PE having the smallest difference from the determined designated coordinate value (hereinafter referred to as “nearest neighbor display pixel” as appropriate) (step F11).

  Specifically, as shown in FIG. 24, a difference ΔLn (= xn−x ′) between the X coordinate value xn of the tap-in coordinate value and the X coordinate value x ′ of the determined instruction coordinate value is calculated. As a result, if ΔLn> 0, the X coordinate value xm assigned to the display pixel PEm adjacent to the left of the display pixel PEn corresponding to the tap-in position and the X coordinate value x ′ of the designated coordinate value The difference ΔLm (= xm−x ′) is calculated and compared with the immediately previous difference ΔLn.

  If ΔLm> ΔLn, the display pixel PEn is set as the nearest display pixel. If ΔLm <ΔLn, then the difference ΔLl (= xl) between the X coordinate value xl assigned to the display pixel PEl adjacent to the left and the x coordinate value of the designated coordinate value. −x ′) is calculated and compared with the immediately preceding difference ΔLm.

  In this way, the difference ΔL between the X coordinate value x assigned to the display pixel PE and the X coordinate value x ′ of the designated coordinate value is calculated in order from the display pixel PE adjacent to the left in order, and this is the smallest. By searching for the display pixel PE, the nearest display pixel PE that will be on the left side of the tap-in position is calculated.

  On the other hand, if ΔLn <0, the same processing is sequentially performed from the display pixel PEm right next to the display pixel PEn to calculate the nearest display pixel PE that will be on the right side of the tap-in position.

  When the nearest display pixel is calculated, the CPU 10 subsequently changes the display position of the instruction mark M to the calculated nearest display pixel PE (step F12).

FIG. 23C is a diagram showing an example of the display screen at this stage. According to the figure, the display coordinate value PN7 is updated to the coordinate value (2.92, -1.9) in which the X coordinate value of the tap-in coordinate value (2.9220779, -1.9) is replaced with the selection value "2.92". At the same time, the display position of the instruction mark M is updated to a position P3 corresponding to the updated coordinate values (2.92, -1.9).
When the above processing is performed, the CPU 10 ends the coordinate instruction processing F.

[Action / Effect]
As described above, according to the sixth embodiment, when the tap-in coordinate value is updated and confirmed as the designated coordinate value, the designated position is changed to the position of the confirmed designated coordinate value and the position of the tap-in coordinate value is displayed. The indicated instruction mark M is changed to the position of the indicated coordinate value. That is, the designated position can be changed in accordance with the designated coordinate value.

[Seventh Embodiment]
Next, a seventh embodiment will be described. In the following description, the same elements as those in the first to sixth embodiments described above are denoted by the same reference numerals, and the description thereof is omitted or simplified.
In the seventh embodiment, when the number of digits (rounded digits) such as the display coordinate value is changed during the execution of the function, the change in the number of digits is made valid while the same function is being executed. Similarly, the number of digits is changed to the same number (rounded digits) and displayed.

[Configuration of ROM and RAM]
FIG. 25 is a block diagram showing configurations of a RAM 60 (hereinafter referred to as “RAM 60g” as appropriate) and a ROM 80 (hereinafter referred to as “ROM 80g” as appropriate) in the seventh embodiment.

  According to FIG. 25A, the RAM 60g has a display coordinate range storage area 61, a designated coordinate value storage area 73 that holds a designated coordinate value, a selected numeric value storage area 72 that holds a selected numeric value, and a set rounding value. And a rounding digit number storage area 74 that holds the number of digits.

  The designated coordinate value is a coordinate value generated during execution of a predetermined function. For example, if an arithmetic function is being executed, an arithmetic expression parameter to be calculated, an arithmetic result, or the like is applicable. If a trace function is being executed, a trace coordinate value indicated by the trace pointer TP is applicable. .

  Further, according to FIG. 25B, the ROM 80g stores a coordinate instruction program 81g for realizing the coordinate instruction processing G (see FIG. 26) in the seventh embodiment.

[Operation]
FIG. 26 is a flowchart for explaining the operation of the scientific calculator 1 according to the coordinate instruction process G in the seventh embodiment, and FIG. 27 is a diagram illustrating a transition example of the display screen in the coordinate instruction process G. . This coordinate instruction process is realized by the CPU 10 executing the coordinate instruction program 81g in the ROM 80g.

  According to FIG. 26, when the display operation of the graph screen is performed by the user, the CPU 10 displays the graph screen GW on the display unit 40 and displays a graph of a given graph formula within a predetermined display coordinate range. Drawing is performed (step A11). If a function is designated, execution of the designated function is started (step G11).

  When the coordinate value is detected during the execution of the function (step G12: YES), the CPU 10 determines whether or not the rounding digit number is set (step G13: YES). ), The designated coordinate value (designated coordinate value) is converted into the coordinate value of the rounding digit number and displayed on the graph screen GW (step G14). On the other hand, if the rounding digit number is not set (step G13: NO), the conversion of the designated coordinate value is displayed as it is on the graph screen GW (step G15).

  FIG. 27A is a diagram showing an example of the display screen at this stage. This figure shows a case where an integration operation is executed in the calculation function, and the integration range is specified by using the trace function. Here, the number of rounding digits has not been set yet, and the coordinate value (trace coordinate value) pointed to by the trace pointer TP is displayed as it is.

  That is, the graph GR of the graph expression “y1 = x ^ 3 / e ^ x” is drawn on the graph screen GW7. Further, the coordinate value (xc = 0.5194805, yc = 0.0833873) of the position pointed to by the trace pointer TP moving on the graph GR is displayed as the display coordinate value PN8 at the bottom of the screen. On this display screen, the user slides and selects a desired numerical value portion of the displayed X coordinate value.

  When a slide on the display screen is detected (step G16: YES), the CPU 10 determines which numerical portion of the display coordinate value PN8 is selected from the detected movement amount, and determines the selected numerical portion. (Selected numerical value) is highlighted (step G17).

  FIG. 27B is a diagram showing an example of the display screen at this stage. According to the figure, with respect to the X coordinate value “0.5194805” of the display coordinate value PN8, the numerical value portion “0.51” corresponding to the numerical value up to the second digit after the decimal point is highlighted.

  Then, when the “confirmation instruction” is input (step G18: YES), the CPU 10 updates the display coordinate value PN8 to the coordinate value replaced with the selected numerical value (step G19). Further, the number of digits after the decimal point of the selected numerical value is set as the rounding digit number (step G20). For example, in the case shown in FIG. 27B, the number of rounding digits is set to “2 digits”.

  Thereafter, if an instruction to terminate the function being executed or to cancel the setting of the number of rounding digits is not input (step G21: NO), the CPU 10 proceeds to step G12 and repeats the same processing.

  For example, FIG. 27C is a diagram illustrating an example of a display screen when the trace pointer TP is moved and the upper limit value (Upper) of the integration range is designated. According to the figure, the selected numerical value “0.51” is displayed as the lower limit value (Lower) PN9 of the integration range, and the X coordinate value at the position designated by the trace pointer TP as the upper limit value (Upper) PN10. The numerical value “1.56” is displayed by converting the rounding digit number to “2 digits”.

  FIG. 27D is a diagram showing an example of a display screen when the integration calculation is executed. According to the figure, a numerical value “0.42” obtained by converting the number of rounding digits to “2 digits” is displayed as the integration result (∫dx) PN11.

  When an instruction to terminate the function being executed or to cancel the setting of the rounding digit number is input (step G21: NO), the CPU 10 cancels the setting of the rounding digit number (step G22) and ends the coordinate instruction processing G. To do.

[Action / Effect]
As described above, according to the seventh embodiment, for example, when the number of rounding digits of the trace coordinate value specified by the trace pointer TP is specified and changed during execution of a function such as an arithmetic function, other trace coordinate values are thereafter changed. Etc. are automatically changed and displayed to the number of rounding digits specified previously. That is, it is possible to save the user's trouble of designating and changing the number of digits for each displayed coordinate value.

[Modification]
Although the seven embodiments have been described above, the application of the present invention is not limited to the seven embodiments described above, and can be changed as appropriate without departing from the spirit of the present invention.

The figure which shows the example of an external appearance of the scientific calculator to which this invention is applied. The block diagram which shows the internal structure of a scientific calculator. The figure for demonstrating the position detected by a position detection circuit. The figure which shows the structure of RAM and ROM in 1st Embodiment. The figure which shows the data structural example of a coordinate increase / decrease value calculation table. The flowchart for demonstrating operation | movement of the scientific calculator in 1st Embodiment. The figure which shows the example of a transition of the display screen in 1st Embodiment. The figure which shows the structure of RAM and ROM in 2nd Embodiment. The figure for demonstrating an expansion area. The flowchart for demonstrating operation | movement of the scientific calculator in 2nd Embodiment. The figure which shows the example of a transition of the display screen in 2nd Embodiment. The figure which shows the structure of RAM and ROM in 3rd Embodiment. The flowchart for demonstrating operation | movement of the scientific calculator in 3rd Embodiment. The figure which shows the example of a transition of the display screen in 3rd Embodiment. The figure which shows the structure of ROM in 4th Embodiment. The flowchart for demonstrating operation | movement of the scientific calculator in 4th Embodiment. The figure which shows the example of a transition of the display screen in 4th Embodiment. The figure which shows the structure of RAM and ROM in 5th Embodiment. The flowchart for demonstrating operation | movement of the scientific calculator in 5th Embodiment. The figure which shows the example of a transition of the display screen in 5th Embodiment. The figure which shows the structure of ROM in 6th Embodiment. The flowchart for demonstrating operation | movement of the scientific calculator in 6th Embodiment. The figure which shows the example of a transition of the display screen in 6th Embodiment. The figure for demonstrating the calculation of the display pixel with the smallest difference with an instruction | indication coordinate value (nearest neighbor). The figure which shows the structure of RAM and ROM in 7th Embodiment. The flowchart for demonstrating operation | movement of the scientific calculator in 7th Embodiment. The figure which shows the example of a transition of the display screen in 7th Embodiment.

Explanation of symbols

1 Scientific calculator 2 Display 3 Key group 4 Input pen 10 CPU
DESCRIPTION OF SYMBOLS 20 Input part 30 Tablet 31 Position detection circuit 40 Display part 41 Display drive circuit 50 Storage medium reading part 51 External storage medium 60 (60a-60g) RAM
61 Display coordinate storage area 62 Tap-in coordinate value storage area 63 Approximate coordinate value storage area 64 Instruction coordinate value storage area 65 Tap storage area 66 Enlargement magnification storage area 67 Increase / decrease unit storage area 68 Tap movement amount storage area 69 Dot movement amount storage area 71 Designated numeric value storage area 72 Selected numeric value storage area 73 Designated coordinate value storage area 74 Rounding digit number storage area 80 (80a to 80g) ROM
81a to 81g Coordinate instruction program 82 Approximate calculation reference time 83 Digit increase reference time 84 Coordinate increase / decrease value calculation table 85 Coordinate designation reference time GW Graph screen GR graph AR area EA Enlarged area PE Display pixel FL Pixel frame DW (DW1 to DW3) Specified window NA Specified numerical value display area TP Trace pointer M Indicator mark

Claims (14)

In an electronic device comprising a display screen formed integrally with a touch panel,
Coordinate value calculating means for calculating the coordinate value of the indicated position on the display screen by a touch operation;
A timing means for timing the duration of the touch operation on the same position;
Approximate number conversion means for converting the coordinate value calculated by the coordinate value calculation means into an approximate value in accordance with the duration timed by the time measurement means;
An electronic device comprising: The approximate number conversion means includes digit number changing means for increasing the number of digits of the approximate value to be converted according to the length of the measured duration.
The electronic device according to claim 1. An enlarged display control means for performing control to display an enlarged area when the duration timed by the time measuring means exceeds a predetermined time;
An approximate number changing means for changing the coordinate value converted to the approximate value in accordance with the moving direction and moving amount of the indicated position by the touch operation in the enlarged area controlled by the enlarged display control means,
The electronic apparatus according to claim 1, further comprising: The enlarged display control means includes:
Pixel frame display control means for performing control to display a pixel frame virtually representing the enlarged display pixel in the enlarged area;
Display form changing means for changing a display form in a pixel frame representing a display pixel corresponding to the indicated position;
The electronic apparatus according to any one of claims 1 to 3, wherein the electronic apparatus includes:   5. The coordinate value determining means for determining, as a designated coordinate value, a coordinate value converted to the approximate value when a predetermined touch operation is performed on the display screen. The electronic device according to one item. In an electronic device comprising a display screen formed integrally with a touch panel,
Coordinate value calculating means for calculating the coordinate value of the indicated position on the display screen by a touch operation;
Control is performed to display a designation window for hierarchically designating the value of each digit of the coordinate value calculated by the coordinate value calculation means by the touch movement operation in the vicinity of the designated position on the display screen by the touch operation. Window display control means;
Coordinate value determination means for determining an approximate value of the calculated coordinate value as an indicated coordinate value with the number of digits specified in the specified window whose display is controlled by the window display control means;
An electronic device comprising: The coordinate determination means includes a changing means for changing the calculated coordinate value by the value of each designated digit.
The electronic apparatus according to claim 6. In an electronic device comprising a display screen formed integrally with a touch panel,
Coordinate value calculating means for calculating the coordinate value of the indicated position on the display screen by a touch operation;
Coordinate value display control means for performing control to display the coordinate value calculated by the coordinate value calculation means;
Digit designation means for designating a part of the digits of the coordinate value display-controlled by the coordinate value display control means by a touch operation;
Among the coordinate values controlled to be displayed, coordinate value determining means for determining a value from the most significant digit to the digit specified by the digit specifying means as an indicated coordinate value;
An electronic device comprising:   Control is performed to display an instruction mark at the instruction position, and when the instruction coordinate value is determined by the coordinate value determination means, the display control position corresponding to the instruction coordinate value is determined as the position to control the display of the instruction mark. The electronic device according to claim 6, further comprising position changing means for changing the position to a position on the screen. In an electronic device having a display screen formed integrally with a touch panel,
First coordinate value calculating means for calculating the coordinate value of the first designated position on the display screen;
First coordinate value display control means for performing control to display the coordinate values calculated by the first coordinate value calculation means;
Digit designating means for designating a part of the digit of the coordinate value display-controlled by the first coordinate value display control means by a touch operation;
Second coordinate value calculating means for calculating the coordinate value of the second designated position on the display screen;
Coordinate value changing means for changing the coordinate value calculated by the second coordinate value calculating means to a value from the most significant digit to the digit specified by the digit specifying means;
Second coordinate value display control means for controlling to display the coordinate value changed by the coordinate value changing means;
An electronic device comprising: To a computer having a display screen formed integrally with a touch panel,
A coordinate value calculation function for calculating the coordinate value of the indicated position on the display screen by a touch operation;
A timekeeping function that keeps track of the duration of touch operations for the same position;
An approximate number conversion function that converts the coordinate value calculated by the coordinate value calculation function into an approximate value according to the duration timed by the time measurement function,
A program to realize To a computer having a display screen formed integrally with a touch panel,
A coordinate value calculation function for calculating the coordinate value of the indicated position on the display screen by a touch operation;
Control is performed to display a designation window for hierarchically designating the value of each digit of the coordinate value calculated by the coordinate value calculation means by the touch movement operation in the vicinity of the designated position on the display screen by the touch operation. Window display control function,
A coordinate value confirming function for confirming an approximate value of the calculated coordinate value as an indicated coordinate value with the number of digits specified in the designated window whose display is controlled by the window display control function;
A program to realize To a computer having a display screen formed integrally with a touch panel,
A coordinate value calculation function for calculating the coordinate value of the indicated position on the display screen by a touch operation;
A coordinate value display control function for performing control to display the coordinate value calculated by the coordinate value calculation function;
A digit designation function for designating some digits of coordinate values that are display controlled by this coordinate value display control function by touch operation,
A coordinate value determination function for determining a value from the most significant digit to the digit designated by the digit designation function among the display-controlled coordinate values as an instruction coordinate value;
A program to realize To a computer with a display screen that is integrated with the touch panel,
A first coordinate value calculation function for calculating a coordinate value of a first designated position on the display screen;
A first coordinate value display control function for performing control to display the coordinate value calculated by the first coordinate value calculation function;
A digit designating function for designating a part of the digit of the coordinate value display-controlled by the first coordinate value display control function by a touch operation;
A second coordinate value calculation function for calculating the coordinate value of the second designated position on the display screen;
A coordinate value changing function for changing the coordinate value calculated by the second coordinate value calculating function to a value from the most significant digit to the digit specified by the digit specifying function;
A second coordinate value display control function for performing control to display the coordinate value changed by the coordinate value change function;
A program to realize

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