JPH11161639A - Matrix input device, matrix input, method and recording medium recorded with matrix input processing program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily vary and set the size of a matrix even during the numeral input of matrix components without performing operation for setting the size of the matrix and operation for inputting numerals of matrix components on independent screens through the matrix input device for inputting matrix data. SOLUTION: When a matrix mode is set, a matrix setting screen G set to the size F '1×1' of a matrix of one row by one column is initially displayed, an arbitrary column number is set by moving and displaying a closing parenthesis symbol K2 prescribing the number of the columns of a matrix in the increase or decrease direction with a right key 12j or left key 12i, and an arbitrary row number is set by expanding or contracting and displaying the length of the parenthesis symbols K1 and K2 prescribing the number of the rows of the matrix in the increase or decrease direction of the number of rows with a down key 12h or up key 12g; and the size of this matrix can be set or varied properly by operating the respective direction keys irrelevantly to whether or not numerals are inputted to the respective matrix areas.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a matrix input device for inputting matrix data, a matrix input method, and a recording medium storing a matrix input processing program.

[0002]

2. Description of the Related Art For example, some electronic computing devices have a matrix operation function of performing an operation by inputting matrix data in addition to a normal four arithmetic operation function. In the conventional electronic computer having the matrix operation function, the input processing of the matrix data is performed as follows.

FIG. 11 is a diagram showing a process of inputting matrix data by a conventional electronic computer. That is, when the electronic computing device is set to the matrix mode, as shown in FIG. 11A, a matrix number setting screen for setting the number of rows and columns (matrix size) of matrix data to be input. G1 is displayed on the display unit.

On the matrix number setting screen G1, when the number of rows and the number of columns of the matrix (Mat) A to be input is input as, for example, "5.times.4", and a matrix setting instruction is given, FIG. As shown in (B), the size of the matrix is 5 rows,
A matrix component input screen G2 set to four columns is displayed, and 1
In accordance with the movement of the cursor C, each matrix component is numerically input and displayed in order from the first row, and desired matrix data can be input.

[0005]

However, in the matrix data input processing by the conventional electronic computer, the number of rows and the number of rows of matrix data to be inputted (the size of the matrix) are set. Since an input operation by two-stage screen display independent of a screen G1 and a matrix component input screen G2 for numerically inputting matrix components within a set matrix range is required, the matrix number setting screen G1 is used. Once,
After setting the size of the matrix, the matrix component input screen G
In the process of inputting each matrix component numerically at 2,
If it becomes necessary to change the number of rows or the number of columns, it is necessary to return to the input operation on the matrix number setting screen G1 again.

[0006] In this case, all the matrix components that have been numerically input on the matrix component input screen G2 after setting the matrix size are erased, so that the matrix range is changed back to the matrix number setting screen G1. After setting, the matrix component input screen G again
There is a problem that the same numerical value input operation has to be performed again in 2.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and does not require the operation of setting the size of a matrix and the operation of inputting the numerical values of matrix components on separate screens. It is an object of the present invention to provide a matrix input device, a matrix input method, and a recording medium in which a matrix input processing program is recorded in which a matrix size can be easily changed and set even during numerical value input.

[0008]

That is, in the matrix input device according to the present invention, the range of the matrix is represented by a symbol, and the components of the matrix are input numerically within the range of the matrix surrounded by the symbol. In the input state of the matrix component by numerical input, the symbol of the matrix range indicated by the symbol is changed corresponding to an arbitrary matrix range, so that the numerical input operation of the matrix component and the setting operation of the matrix range are displayed the same. This can be done in parallel on the screen.

In the matrix input device according to the present invention,
A mark pattern in which marks dividing the numerical value input area of each matrix component are arranged is displayed, and when a mark corresponding to an arbitrary matrix range in the mark displayed in the pattern is designated,
Since the matrix range is set corresponding to the position of the designated mark, even in the process of inputting individual matrix components, the matrix range can be freely set by designating a mark corresponding to an arbitrary matrix range. You can change it.

Further, in the matrix input device according to the present invention,
A mark pattern in which marks for dividing the numerical value input areas of the individual matrix components are arranged is displayed, and when a numerical value is input corresponding to the numerical value input area of each matrix component divided by the pattern-displayed mark, the numerical value is displayed. Since the matrix range is set according to the input range of the input matrix component, the matrix range can be freely changed according to the range of the numerical value input to be input as each matrix component.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) FIG. 1 is a block diagram showing a configuration of an electronic circuit of an electronic computing device having a matrix operation function according to an embodiment of a matrix input device of the present invention.

This electronic computing device includes a control unit (CPU) 11 composed of a computer or the like. Control unit (CP
U) 11 denotes key input data input from the key input unit 12 and a touch position of the touch pen P input from the tablet 14 provided on the display screen of the liquid crystal display unit 13 via the position detection circuit 15. Depending on the data, R
Activate a system program stored in the OM 16 in advance, or execute a computer control program stored in the external storage medium 20 in the storage medium reading unit 19.
The RAM 17 is used as a work memory to control the operation of each part of the circuit.

The control unit (CPU) 11 is connected to the key input unit 12, the liquid crystal display unit 13, the tablet 14, the position detection circuit 15, the ROM 16, the RAM 17, and the recording medium reading unit 19. Reference numeral 13 is connected via a display drive circuit 18.

The key input unit 12 includes a data input key 12
a, a "mode" key 12b, an "input" key 12c, a "set" key 12d, an "execute" key 12e, a "graph" key 12f, up, down, left and right direction keys "↑" 12g, "↓" 12
h, “←” 12i, “→” 12j, and the like.

The data input keys 12a are composed of character / symbol keys such as numeric keys, alphabet keys, operator keys, and function keys. The "mode" key 12b is a matrix mode in which arbitrary matrix data is input to perform an arithmetic operation, an arithmetic mode in which an arbitrary arithmetic expression such as an arithmetic operation is input to perform an arithmetic operation, or an arbitrary function expression is input. The operation is performed when selecting and setting various operation modes such as a graph mode for performing a graph drawing process.

The "input" key 12c is used for
When inputting numerical values such as calculation formulas and function formulas, it is operated when finalizing the input data and the contents of the formulas. "Setting" key 1
Reference numeral 2d is used in each of the matrix mode, the calculation mode, and the graph mode, and is used when returning to the initial screen of each corresponding mode.

The "execute" key 12e is operated when activating the selected operation mode or instructing the start of calculation processing. The "graph" key 12f is operated when instructing drawing of a graph corresponding to the function expression input in the graph mode.

The direction keys "↑" 12g, "↓" 12h,
The “←” 12i and “→” 12j are normally operated when the displayed data is selected, sent, or the cursor C is moved. In the matrix mode, the matrix setting screen G is used. In (see FIG. 5), the operation is performed when the parentheses K1 and K2 for setting the size of the matrix are moved right and left or vertically expanded and contracted according to the desired number of matrices.

The tablet 14 is provided on the display screen of the liquid crystal display unit 13 and generates a voltage signal corresponding to the position touched by the pen P. The coordinates corresponding to the display screen are detected by the position detection circuit 15 on the basis of the received voltage signal, and the control unit (CP
U) 11 determines the content of the operation.

The ROM 16 stores in advance system program data that governs the entire process (see FIG. 2) in the electronic circuit of the present electronic computer, and also includes FIGS.
Control program data, which is subprogram data for controlling various operation modes, such as the matrix mode shown in the first embodiment and the matrix modes shown in FIGS. 6 to 10 (second embodiment), is also stored in advance.

The RAM 17 has a display data memory 17
a, matrix data memory 17b, operation data memory 17
c, touch position data memory 17d, cursor position data memory 17e, graph data memory 17f, etc.
A work memory 17g and the like are provided.

The display data memory 17a stores display data to be displayed on the liquid crystal display unit 13 as bitmap pattern data. The matrix data memory 17b stores matrix size data F, matrix parentheses K1 and K2 of the matrix constituting the matrix setting screen G (see FIG. 5), and matrix data such as numerical input data.

The operation data memory 17c stores data during the operation in the operation mode, the data of the operation result, and the like.
The touch position data memory 17d stores coordinate data corresponding to the pen touch position on the display screen detected from the tablet 14 via the position detection circuit 15.

The cursor position data memory 17e stores the coordinate data of the current position of the cursor C on the display screen. In the graph data memory 17f, the drawing points are sequentially written as bitmap data in accordance with the coordinate data of each drawing dot point of the graph corresponding to the input function formula, and are drawn and stored as graph data.

The work memory 17g temporarily stores data input and output by the control unit (CPU) 11 in connection with the control processing of various operation modes. Next, the operation of the electronic computing device having the matrix operation function according to the above configuration will be described.

FIG. 2 is a flowchart showing the overall processing of the electronic computer. When the "mode" key 12b of the key input unit 12 is operated, a liquid crystal display unit 13 displays a mode selection screen in which menus for selecting and setting operation modes such as a matrix mode, a calculation mode, and a graph mode are displayed (step S1). S1 → S2).

In the display state of the mode selection screen,
Any operation mode can be touched with pen or direction key 12g
When the cursor operation is performed by using the keys 12 to 12j and the "execute" key 12d is operated, the mode data indicating the specified operation mode is stored and set in the RAM 17, and the control processing program corresponding to the set operation mode is started. The initial screen is displayed (steps S3 → S4, S5 →
S6, S7).

Such mode selection setting processing (step S)
1 to S7), when the matrix mode is selected and set, a matrix setting screen G (see FIG. 5) for setting the size of the matrix and inputting the matrix components numerically is used as an initial screen as the liquid crystal display unit 13. Is displayed, and the control process in the matrix mode is started (step S8 → SA).

When the operation mode is selected and set by the mode selection setting process (steps S1 to S7), an initial screen for inputting a calculation formula is displayed on the liquid crystal display unit 1.
3 is displayed, and the control processing of the calculation mode is started (steps S9 → S10).

When the graph mode is selected and set by the mode selection setting process (steps S1 to S7), an initial screen is displayed on the liquid crystal display unit 13 for inputting a function expression of the graph. Is started (step S11 → S12).

Further, when another operation mode is selected and set by the mode selection setting process (steps S1 to S7), the initial screen is displayed on the liquid crystal display unit 13 and the corresponding operation mode is set. The control process is started (step S11 → other process).

FIG. 3 is a flowchart showing a control process (part 1) of the first embodiment in the matrix mode by the electronic computer. FIG. 4 is a flowchart showing a control process (part 2) of the first embodiment in the matrix mode by the electronic computing device.

FIG. 5 is a diagram showing an operation display state on a matrix setting screen G accompanying the control processing of the first embodiment in the matrix mode of the electronic computing device. The matrix mode is selected and set by the mode selection setting process (steps S1 to S7) in FIG. 2, and the configuration data of the matrix setting screen G is stored in the matrix data memory 17b in the RAM 17 as shown in FIG. Is stored in the display data memory 17.
a, and is initially displayed on the liquid crystal display unit 13 to enter a matrix input state. In the initial display of the matrix setting screen G,
The parentheses K1 and K2 corresponding to the matrix of one row and one column are displayed, and the matrix size data F is displayed as “1 × 1”.

The matrix setting screen G is a matrix data memory 1
When the rightward key “→” 12j or the leftward key “←” 12i of the key input unit 12 is operated in the matrix input state composed and initially displayed by 7b, a closing parenthesis defining the number of columns of the matrix data. The symbol K2 is shifted and displayed one column at a time in the right or left direction for each key operation, and is set to an arbitrary number of columns, and the column value of the matrix size data F corresponds to the number. The number of columns is rewritten and displayed (steps A1 → A2 → A3, A6).

The up key "@" of the key input section 12
By operating the 12g or the down arrow key "↓" 12h, the length of each of the parentheses K1 and K2 defining the number of rows of the matrix data is shortened upward or extended downward at each key operation. As a result, the image is displayed in an expanded or contracted manner at an interval of one line, is set to an arbitrary number of lines, and is rewritten and displayed with the corresponding row number of the matrix size data F (step A1 → A4 → A5, A6).

That is, as shown in FIG. 5A, in the initial display state of the matrix setting screen G in which the size of the matrix is set to one row and one column, first, the right side is set to make the number of columns three. When the direction key “→” 12j is repeatedly operated twice, as shown in FIG. 5B, the closing parenthesis symbol K2 for defining the number of columns is moved and displayed by two columns one by one in the column increasing direction. , The matrix size data F is set and displayed as “1 × 3” in one row and three columns (steps A2 → A3, A6).

When the down arrow key "↓" 12h is repeatedly operated three times in order to make the number of lines four, FIG.
As shown in the figure, each parenthesis symbol K1, K2
Is extended and displayed by three rows one by one in the row increasing direction, and the matrix size data F is set and displayed as four rows and three columns “4 × 3” (steps A4 → A5, A6). ).

Thus, on the matrix setting screen G,
With the number of matrices set and displayed as “4 × 3” and the cursor C set in the first row and the first column, the operation of the data input key 12a of the key input unit 12 causes the cursor to move the matrix component for each matrix position. When a numerical value is input along with the movement of C, as shown in FIG.
Is input to the matrix data memory 17
b, and the desired matrix data is input (steps A7 → A8, A9).

When the "input" key 12c of the key input unit 12 is operated in a state where the desired matrix data of 4 rows and 3 columns is input and displayed, any matrix area in the matrix data is operated. It is determined whether there is an uninput area of a matrix component due to an input error or the like. If it is determined that an uninput area exists, “0” is set to the uninput area of the matrix component. It is displayed (step A10 → A11 → A12).

On the other hand, the "setting" key 12 of the key input unit 12
When d is operated, the process returns to the matrix input state by the initial display of the matrix setting screen G as shown in FIG. 5A (step A13 → A14).

As shown in FIG. 5D, in the process of numerically inputting the matrix components corresponding to the respective matrix areas, the right direction key "→" 12j or the left direction key "←" 12i. Is operated, the closing parenthesis symbol K2 of the matrix is moved and changed in the direction of increasing / decreasing the number of columns in the same manner as described above (steps A2 → A3, A6), and the up arrow key “↑” 12g or the down arrow key “↓” When 12h is operated, the parentheses K1 and K2 of the matrix are expanded or contracted in the row increasing / decreasing direction in the same manner as described above (steps A4 → A5 and A6).

Here, when it is desired to reduce the number of matrices in accordance with the change in the size of the matrix, the numerical value corresponding to only the corresponding area of the reduced row or column is deleted.
When the area is increased, the area of the enlarged row or column portion is newly set as a non-input area while the numerical value input up to that point is kept as it is.

Therefore, according to the electronic computing device of the first embodiment having the matrix operation function of the above configuration, when the matrix mode is set, the size F of the matrix of 1 row and 1 column F “1 × 1”
Is initially displayed, and when the right direction key "→" 12j or the left direction key "←" 12i is operated, a closing parenthesis symbol K2 for defining the number of columns of the matrix increases the number of columns. Alternatively, when an arbitrary number of columns is set by moving and displaying in the decreasing direction, and the down key “↓” 12h or the up key “キ ー” 12g is operated, each bracket symbol K1 that defines the number of rows in the matrix is operated. , K2 are expanded and contracted in the direction of increasing or decreasing the number of rows, and an arbitrary number of rows are set. The size of this matrix can be set or changed regardless of whether a numerical value is input to each matrix area. Key operations can be performed as appropriate, so even if you change the number of rows or columns during the process of inputting each matrix component after setting the size of the matrix, the required matrix Will not be erased It is possible to prevent the reentry of the same matrix element after matrix change settings.

(Second Embodiment) FIG. 6 is a flowchart showing a control process (part 1) of the second embodiment in a matrix mode by the electronic computer.

FIG. 7 is a flowchart showing a control process (part 2) of the second embodiment in the matrix mode by the electronic computer. FIG. 8 is a view showing a matrix setting operation display state by specifying a grid on a matrix setting screen G using a grid pattern accompanying the control processing of the second embodiment in the matrix mode of the electronic computing device.

The matrix mode is selected and set by the mode selection setting process (steps S1 to S7) in FIG. 2, and the configuration data of the matrix setting screen G is stored in the matrix in the RAM 17 as shown in FIG. By being stored in the data memory 17b, the data is written to the display data memory 17a, is initially displayed on the liquid crystal display unit 13, and is in a matrix input state. In the initial display of the matrix setting screen G, the matrix is surrounded by a grid of four points each. A grid pattern is displayed in which the square areas are set as individual matrix component input areas.

A matrix setting screen G using this grid pattern is constituted by the matrix data memory 17b and is in an initially displayed matrix input state. As shown in FIG. 8B, for example, a matrix of 3 rows and 3 columns When a grid defining the lower right corner of the matrix area of 3 rows and 3 columns is designated by touching with a pen P in order to set the area, as shown in FIG. , A matrix with three rows and three columns set as the lower right corner of
1 and K2 are displayed (steps B1 → B2 → B3, B
6).

In this way, as shown in FIG. 8C, in the matrix setting screen G, an arbitrary number of matrices “3 × 3” is set and displayed, and the cursor C is set in the first row and first column. By operating the data input keys 12a of the key input unit 12, numerical values of the matrix components at the respective matrix positions are input as the cursor C is moved.
Is input to the matrix data memory 17
b, and the desired matrix data is input (steps B7 → B8, B9).

When the "input" key 12c of the key input unit 12 is operated in a state where the desired matrix data of 3 rows and 3 columns is input and displayed, whether or not the size of the matrix has been set is determined. That is, it is determined whether or not the matrix parentheses K1 and K2 have been set (step B10 → B11).

In this case, it is determined that the matrix data has been set in three rows and three columns by touching the grid pattern with a pen, and in any one of the matrix areas in the matrix data, the matrix component due to an input error or the like is lost. It is determined whether an uninput area exists (step B11 →
B12).

If it is determined that there is an uninput area of the matrix component, "0" is set to the uninput area of the matrix component and displayed (step B12 → B13).

FIG. 9 is a diagram showing a matrix setting operation display state based on a preceding component input on a matrix setting screen G utilizing a grid pattern in the matrix mode of the electronic computer in the matrix mode according to the second embodiment. is there.

The matrix mode is selected and set by the mode selection setting process (steps S1 to S7) in FIG. 2, and as shown in FIG. 9A, a matrix setting screen G using a grid pattern is displayed on the matrix data. In the matrix input state constituted by the memory 17b and initially displayed, when a pen P touches between grids surrounded by any four points which are individual matrix areas, the matrix area corresponding to the pen-touched matrix area is touched. The cursor C is moved and displayed (steps B1 → B4 → B5, B6).

Then, when a matrix component corresponding to the display position of the cursor C is input as a numerical value by operating the data input key 12a of the key input unit 12, the input numerical value corresponding to the matrix area where the cursor C is located is displayed as a matrix. It is stored and displayed in the data memory 17b (steps B7 → B8,
B9).

That is, as shown in FIG. 9 (B), by sequentially performing numerical input operations while moving and displaying the cursor C to an arbitrary matrix area by touching a pen, a desired matrix size of, for example, 3 rows and 3 columns is obtained. In the state where the matrix component corresponding to the above is input in advance corresponding to each matrix area, as shown in FIG. 9C, when the "input" key 12c of the key input unit 12 is operated, the size of the matrix is changed. Is determined, that is, whether the matrix parentheses K1 and K2 have been set (step B10 → B11).

Here, if it is determined that the size of the matrix by the matrix parentheses K1 and K2 is not set, the matrix components are shifted from the upper, lower, left and right grid ranges on the previously input numerically input grid pattern. , The maximum range in each of the vertical direction (row direction) and the horizontal direction (column direction) is detected, and the matrix bracket symbols K1 and K2 are displayed corresponding to the maximum ranges in which the components have been input in the row direction and column direction. The matrix size F is set and displayed as “3 × 3”, and desired matrix data is input (steps B11 → B14, B1).
5).

In this case as well, it is determined whether or not there is a non-input area of a matrix component due to an input error or the like in any of the matrix areas in the matrix data. When it is determined that the matrix component exists, “0” is set to the non-input area of the matrix component and displayed (step B12 → B13).

FIG. 10 is a diagram showing a state where "0" is input to an uninput matrix area in the matrix mode of the electronic computer according to the control processing of the second embodiment. That is, FIG.
In any of the setting display of the matrix range by specifying the grid as shown in FIG. 9 and the setting display of the matrix range by the preceding input of the matrix component as shown in FIG.
As shown in FIG. 0 (A), when it is determined that an uninput area of a matrix component exists within the set matrix range when the “input” key 12c is operated, the corresponding input area is determined. As shown in FIG. 10B, "0" is set and displayed (steps B10 to B13).

Therefore, according to the electronic computing device of the second embodiment having the matrix operation function having the above-described configuration, in the matrix setting screen G using the grid pattern, any matrix area between four grids can be defined as one matrix area. When the grid at the lower right corner corresponding to the number of matrices is touched and specified with the pen P, the number of rows in the vertical direction and the number of columns in the horizontal direction up to the position of the touched grid are set, and the matrix bracket symbol K
1 and K2 are displayed. The size of the matrix can be set or changed by a pen touch operation on the grid regardless of the presence or absence of a numerical value input to each matrix area. Even if the number of rows or the number of columns is changed in the process of inputting numerical values of components, the required matrix components that have been numerically input will not be erased halfway. Can be prevented.

Further, according to the electronic computing device of the second embodiment having the matrix operation function having the above-described configuration, in the matrix setting screen G using the grid pattern, the space between the four grid points is defined as one matrix area. After moving the cursor to the matrix range and entering numerical values for each matrix component,
When the "input" key 12c is operated, the size of the matrix is set in accordance with the maximum existing range in the row and column directions of the previously input matrix component, and matrix parentheses K1 and K2 are displayed. The size of the matrix can be freely set and displayed by inputting and deleting components.

The method described in each of the above embodiments, that is, the entire processing of the electronic computer shown in the flowchart of FIG. 2, and the first process shown in the flowcharts of FIGS.
The methods such as the matrix mode processing of the embodiment and the matrix mode processing of the second embodiment shown in FIG. 6 and FIG. 7 can be executed by a computer as a program such as a memory card (ROM card, RAM card, etc.) It can be stored in an external recording medium 20 such as a disk (floppy disk, hard disk, etc.), an optical disk (CD-ROM, DVD, etc.), a semiconductor memory, and distributed. And
The computer reads the program recorded on the external recording medium 20 by the recording medium reading unit 19,
By controlling the operation by the read program, the matrix setting function described in each of the above embodiments can be realized, and the same processing by the above-described method can be executed.

[0062]

As described above, according to the matrix input device according to the present invention, the range of the matrix is displayed by symbols,
The matrix elements are numerically input within the matrix range surrounded by the symbols, and in the input state of the matrix components by the numeric input, the symbols of the matrix range displayed by the symbols are changed corresponding to any matrix range. Therefore, the operation of inputting the numerical values of the matrix components and the operation of setting the matrix range can be performed in parallel on the same display screen.

Further, according to the matrix input device according to the present invention, a mark pattern in which marks for dividing the numerical value input area of each matrix component are displayed, and an arbitrary matrix range in the pattern-displayed mark is displayed. When a mark corresponding to is specified, a matrix range is set corresponding to the position of the specified mark, so even in the process of inputting individual matrix components, a mark corresponding to an arbitrary matrix range is specified. By that
The range of the matrix can be changed freely.

Further, according to the matrix input device according to the present invention, a mark pattern in which marks for dividing the numerical value input area of each matrix component are arranged is displayed, and each matrix divided by the pattern-displayed marks is displayed. When a numerical value is input in accordance with the numerical value input area of the component, the matrix range is set in accordance with the input range of the matrix component in which the numerical value is input. It is possible to freely change the matrix range.

Therefore, according to the present invention, it is not necessary to perform the operation of setting the size of the matrix and the operation of inputting the numerical values of the matrix components on independent screens. The size of the matrix can be easily changed and set.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an electronic circuit of an electronic computing device having a matrix operation function according to an embodiment of a matrix input device of the present invention.

FIG. 2 is a flowchart showing the overall processing of the electronic computer.

FIG. 3 is a flowchart showing a control process (part 1) of the first embodiment in a matrix mode by the electronic computing device.

FIG. 4 is a flowchart showing a control process (part 2) of the first embodiment in a matrix mode by the electronic computing device.

FIG. 5 is an exemplary view showing an operation display state on a matrix setting screen G accompanying the control processing of the first embodiment in the matrix mode of the electronic computing device.

FIG. 6 is a flowchart showing control processing (part 1) of the second embodiment in the matrix mode by the electronic computing device.

FIG. 7 is a flowchart showing a control process (part 2) of the second embodiment in a matrix mode by the electronic computing device.

FIG. 8 is a view showing a matrix setting operation display state by specifying a grid on a matrix setting screen G using a grid pattern accompanying a control process of the second embodiment in the matrix mode of the electronic computing device.

FIG. 9 is an exemplary diagram showing a matrix setting operation display state based on a preceding component input on a matrix setting screen G using a grid pattern in the control mode of the second embodiment in the matrix mode of the electronic computing device.

FIG. 10 is a diagram showing a state in which “0” is input to a non-input matrix area in the matrix processing of the electronic computer according to the control processing of the second embodiment.

FIG. 11 is a diagram showing a process of inputting matrix data by a conventional electronic computer.

[Explanation of symbols]

 11: control unit (CPU), 12: key input unit, 12a: data input key, 12b: "mode" key, 12c: "input" key, 12d: "set" key, 12e: "execute" key, 12g ... 12j: Direction keys, 13: Liquid crystal display unit, 14: Tablet, 15: Position detection circuit, 16: ROM, 17: RAM, 17a: Display data memory, 17b: Matrix data memory, 17d: Touch position data memory, 17e ... Cursor position data memory, 19: recording medium reading section, 20: external recording medium, P: touch pen, G: matrix setting screen, K1, K2: matrix bracket symbol, C: cursor, F: matrix size data.

Claims (7)

[Claims] 1. A matrix input device for inputting matrix data, comprising: setting means for variably setting the number of rows and the number of columns, which are ranges of the matrix; and the setting means changing the number of rows or the number of columns of the matrix. Each time the number of rows and columns is set, the parenthesis display means for deforming and displaying the parentheses of the matrix according to the set number of rows and columns; and A matrix input device comprising: numerical value input means for inputting a numerical value as a component; and numerical value display means for displaying a numerical value input by the numerical value input means in parentheses displayed by the parenthesis deformation display means. . 2. A matrix symbol display means for displaying a range of a matrix with a symbol, numerical value input means for numerically inputting a matrix element within a matrix range surrounded by the symbols displayed by the matrix symbol display means, In the input state of the matrix component by the input means,
A matrix input device, comprising: a matrix range changing unit that changes a symbol of a matrix range displayed by the matrix symbol display unit in correspondence with an arbitrary matrix range. 3. A pattern display means for displaying a mark pattern in which marks for dividing the numerical value input areas of the individual matrix components are arranged, and an arbitrary matrix range in the mark displayed by the pattern display means. A matrix input device comprising: a mark designating means for designating a mark; and a matrix range setting means for setting a matrix range corresponding to the position of the mark designated by the mark designating means. 4. A pattern display means for displaying a mark pattern in which marks for dividing the numerical value input areas of the individual matrix components are arranged, and numerical values of the individual matrix components divided by the marks displayed by the pattern display means. Numerical value input means for inputting a numerical value corresponding to the input area, and matrix range setting means for setting a matrix range corresponding to the input range of the matrix component numerically input by the numerical value input means, Matrix input device. 5. A non-input determining means for determining whether a matrix component has not been input in the matrix range; and a non-input of a matrix component in the matrix range determined by the non-input determining means. 5. The matrix input device according to claim 2, further comprising: a non-input component input unit configured to input a predetermined numerical value corresponding to the non-input matrix component. 6. 6. A matrix input method for inputting matrix data, comprising: a setting step of variably setting a number of rows and a number of columns as a range of a matrix; and the number of rows or columns of the matrix is changed by the setting step. A parenthesized transformation display step for transforming and displaying the parenthesis display of the matrix according to the set number of rows and columns, and within the range of the matrix represented by the parentheses displayed by the parenthesis transformation display step, A matrix input method, comprising: a numerical value inputting step of inputting a numerical value as a component; and a numerical value displaying step of displaying the numerical value input in the numerical value inputting step in parentheses displayed in the parenthesis transformation displaying step. 7. A recording medium recording a matrix input processing program for inputting matrix data by controlling a computer, the computer comprising: setting means for variably setting the number of rows and the number of columns as a range of a matrix; Each time the number of rows or the number of columns of the matrix is changed by the setting means, a parenthesized transformation display means for transforming and displaying the parenthesis display of the matrix according to the set number of rows and columns; Numerical value input means for inputting a numerical value as a matrix element within the range of the matrix indicated by the displayed parentheses, and the numerical value input by the numerical value input means is displayed in the parentheses displayed by the parenthesis transformation display means A recording medium on which a matrix input processing program for functioning as a numerical display means is recorded.