JP2002091926A - Arithmetic unit and method, and storage medium used for the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make numeric data included in document data by designating the range with the simple input by pen the numeric data of an arithmetic object. SOLUTION: This arithmetic device is provided with a displaying part for displaying various pieces of data on the screen, a pen inputting part for inputting track data with a pen on a tablet formed on the screen of the displaying part, a pen input controlling part for recognizing the track data inputted on the tablet with the pen and converting the track data into various pieces of data, a document data storing part for storing document data, a display controlling part for reading the document data from the document data storing part and displaying the document data on the screen, a numeric data retrieving part for collectively retrieving the numeric data from the document data within a designated range, when the display controlling part displays the document data including the numeric data on the screen and the pen inputting part designates the range for the document data including the numeric data of the arithmetic object, and an operating part for operating the collectively retrieved numeric data on the basis of a preliminarily set arithmetic expression. The display controlling part displays arithmetic results obtained by the operating part in a preliminarily set display area.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an arithmetic unit and a method having a display unit in which a pen input unit capable of pen input is formed on a screen, and a storage medium used for the same.

[0002]

2. Description of the Related Art Conventionally, for example, when a numerical operation of four arithmetic operations is performed using an input pad (tablet, touch panel) capable of handwriting input, a numerical key or an operation key is operated with a pen or a finger. It is carried out. The user can operate with the same feeling as using a calculator. In the case where the calculation is performed using the previous calculation result and the calculation result performed later, the memory key is operated to store the previous calculation result in the memory and then perform the calculation.

[0003] However, when performing an arithmetic operation in which the four rules are mixed, a user checks the order of the arithmetic operations, judges which arithmetic operation result should be stored in the memory, and operates the memory key while operating the memory key. I had to do a processing operation. Further, although the calculation result immediately before the operation of the memory key can be confirmed, it is not possible to see until the middle of the calculation result, and it is not assumed that the calculation result in the middle can be used for another calculation.

As a conventional technique for solving this problem, for example, according to the description in Japanese Patent Application Laid-Open No. 9-44451, arithmetic processing can be performed using an input pad, and a history of the arithmetic results is retained, and the arithmetic results are retained. There has been proposed a numerical operation device and a numerical operation method that can perform editing processing such as alignment and movement of numerical data so that further arithmetic processing can be performed using the same.

[0005]

SUMMARY OF THE INVENTION Accordingly, Japanese Patent Application Laid-Open No.
According to the numerical calculation device and the numerical calculation method described in Japanese Patent No. 4451, numerical data is input by handwriting with a pen or a finger, and the numerical data is calculated, or a specified range of the displayed numerical data is designated to arrange and move the numerical data. It is also possible to perform the operation again after editing such as.

[0006] However, the numerical calculation technique described in Japanese Patent Application Laid-Open No. 9-44451 is a technique in which a user edits target numerical data from an area in which only numerical data is displayed, and calculates the target numerical data. When calculating using the included numerical data, it is necessary to individually input the numerical data while referring to the numerical data included in the document data.

The present invention has been made in view of the above circumstances. For example, when an operation is performed using numerical data included in document data, the numerical data included in the document data can be specified by a simple pen input range specification. Is provided as an arithmetic device and method, and a storage medium used in the arithmetic device, which can be used as numerical data to be calculated and in which a calculation result can be confirmed in a display area arbitrarily set in advance.

[0008]

SUMMARY OF THE INVENTION The present invention provides a display unit for displaying various data on a screen, a pen input unit for pen input to a tablet formed on the screen of the display unit, and locus data input to the tablet by a pen. A pen input control unit for recognizing and converting to various data, a document data storage unit for storing document data, a display control unit for reading out the document data from the document data storage unit and displaying it on the screen, and a numerical value for the display control unit When the document data including the data is displayed on the screen and the range of the document data including the numerical data to be calculated is specified by the pen input unit, the numerical data to search the numerical data from the specified range of the document data collectively The display control unit includes a search unit, and a calculation unit that calculates the numerical data searched collectively based on a preset calculation expression. The display control unit predicts the calculation result by the calculation unit. A computation device and displaying the set display area.

According to the present invention, when a calculation is performed using the numerical data included in the document data, the numerical data included in the document data can be set as the numerical data to be calculated by simply specifying the range of the pen input. In addition, the calculation result can be confirmed in an arbitrarily set display area.

An arithmetic expression storage unit for storing an arithmetic expression arbitrarily created by the pen input unit, wherein the arithmetic unit stores the numerical data retrieved collectively from the document data by the numerical data search unit. The calculation may be performed based on the calculation formula stored in. According to this configuration, it is possible to calculate the numerical data that has been collectively searched from the document data, based on a previously created calculation formula.

A display area storing section for storing a shape, a position and a size of the display area arbitrarily designated by the pen input section, wherein the display control section stores the shape, the position and the size of the display area from the display area storing section; May be read and the display area is set on the screen. According to this configuration, an arbitrary shape, position, and size display area can be set on the screen to display a calculation result.

When a range of document data including a plurality of numerical data to be calculated is specified by the pen input unit and numerical data not to be calculated is specified from the range, the numerical data not to be calculated is stored. The data processing unit may further include a non-target data storage unit, and the calculation unit may perform a calculation using a preset calculation formula by excluding the numerical data that is not the target of calculation from the numerical data that is collectively searched by the numerical data search unit. . According to this configuration, the arithmetic operation can be performed by excluding the numerical data that is not the target of the arithmetic operation from the plurality of the numerical data searched collectively.

The display control section, when displaying the operation result of the operation section in a preset display area, arranges the numerical data retrieved collectively by the numerical data search section in the order of appearance and displays the numerical data together with the operation expression. The configuration may be such that:
According to this configuration, it is possible to arrange the numerical data in the order of appearance and display the numerical data together with the arithmetic expression in a display area arbitrarily set in advance to confirm.

When a range of document data including numerical data continuously arranged in the vertical or horizontal direction of the screen is specified by the pen input unit, the pen input control unit controls the document in the specified range. The arrangement direction of the numerical data in the inside may be determined, and the arithmetic unit may perform an arithmetic operation by changing an arithmetic expression based on a determination result by the pen input control unit. According to this configuration, when the range of the document data is specified, the calculation can be performed by changing the operation formula according to the arrangement direction of the numerical data in the document in the specified range.

According to another aspect of the present invention, various data are displayed on a screen by using a display unit, and by using a pen input unit,
Pen input of the locus data to the tablet formed on the screen of the display unit, and using the pen input control unit, recognizes the locus data input to the tablet with the pen and converts it into various data,
The document data is stored using the document data storage unit, the document data stored in the document data storage unit is read out using the display control unit, and displayed on the screen. When the range of the document data that is displayed on the screen and includes the numerical data to be calculated is specified by the pen input unit, using the numerical data search unit,
Numerical data is collectively searched from the specified range of document data, the arithmetic unit is used to calculate the numerically searched numerical data according to a preset arithmetic expression, and the display control unit is used to
An operation method is provided, wherein the operation result by the operation unit is displayed in a display area set in advance.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on an embodiment shown in the drawings. The present invention is not limited by this.

FIG. 1 is a block diagram showing the configuration of an arithmetic unit according to one embodiment of the present invention. As shown in FIG. 1, the present arithmetic unit includes a main control unit 1, a program memory 2, a buffer memory 3, a display unit 4, a display control unit 5, a pen input unit 6, a pen input control unit 7, and a trajectory data storage unit 8. , Document data storage device 9, numerical data search unit 10, numerical data storage unit 1
1, arithmetic expression setting unit 12, arithmetic expression storage unit 13, arithmetic unit 1
4, a calculation result storage unit 15, a non-target data setting unit 16, a non-target data storage unit 17, a display area setting unit 18, a display area storage unit 19, a storage medium reading unit 20, a storage medium 21, and a bus 22. I have.

The main control unit 1 is composed of a computer such as a CPU and an MPU, for example, and controls each unit of the present arithmetic unit via a bus 22 based on a control program stored in a program memory 2.

The program memory 2 includes, for example, a ROM,
It is composed of an EEPROM, a flash memory, a floppy (registered trademark) disk, a hard disk, a CD-R / W, and the like, and stores a control program and fixed data for the main control unit 1 to control each unit of the arithmetic unit.

The buffer memory 3 includes, for example, RAM, E
EPROM, flash memory, floppy disk,
It is composed of a hard disk, a CD-R / W, etc., and stores control data under control of the main control unit 1.

The display unit 4 includes, for example, an LCD (Liquid Crystal Display), an EL display, a plasma display, etc., and displays various data on a screen.

The display control unit 5 displays various data such as locus data and document data on the screen of the display unit 4. The display control unit 5 reads the shape, position, and size of the display area stored in the display area storage unit 19, sets the display area on the screen of the display unit 4, and sets the display result obtained by the calculation unit 14 on the screen. Display in the area. The display control unit 5
When displaying the calculation result by the calculation unit 14 in a preset display area, the numerical data searched by the numerical data search unit 10 in a lump can be arranged in the order of appearance and displayed together with the calculation formula.

The pen input unit 6 includes, for example, a transparent tablet (transparent touch panel) formed on the screen of the display unit 4 and a pen electrically connected to the transparent tablet. Input the track data with a pen.

The pen input control unit 7 is composed of, for example, a pen input control program, a trajectory data recognition program, an input range determination program, and the like, recognizes trajectory data input to the transparent tablet, and sets a range enclosed by the trajectory data. Is determined and converted into various data. When the pen input control unit 7 specifies a range of document data including numerical data continuously arranged in the vertical or horizontal direction of the screen by the pen input unit 6, the pen input Can be determined.

A locus data storage unit 8, a document data storage unit 9, a numerical data storage unit 11, an arithmetic expression storage unit 13, an operation result storage unit 15, and a non-target data storage unit 1 described below.
7. The display area storage unit 19 is, for example, a RAM, an EEPR
OM, flash memory, floppy disk, hard disk, CD-R / W, etc.

The trajectory data storage unit 8 stores trajectory data input from the pen input unit 6 to the transparent tablet with a pen. The document data storage unit 9 stores document data including character codes and numeric codes converted from the locus data by the pen input control unit 7. Further, the document data storage unit 9 stores document data including character codes and numeric codes input by a keyboard (not shown).

The numerical data retrieval unit 10 is, for example, a CP
U: When the document data including the numerical data is displayed on the screen by the display control unit 5 and the range of the document data including the numerical data to be calculated is specified by the pen input unit 6, which is configured by a numerical data search program. Numerical data is collectively searched from the designated range of document data, and the searched numerical data is stored in the numerical data storage unit 11.

The arithmetic expression setting unit 12 is composed of, for example, a CPU and an arithmetic expression setting program, sets an arithmetic expression input in advance from the pen input unit 6 with a pen, and stores the set arithmetic expression in the arithmetic expression storage unit 13. I do.

The calculation unit 14 calculates the numerical data retrieved collectively by the numerical data search unit 10 in accordance with a calculation formula set in advance and stored in the calculation formula storage unit 13. Further, the arithmetic expression setting unit 12 stores a plurality of arithmetic patterns in the arithmetic expression storage unit 13 in advance, and the arithmetic unit 14 selects an arithmetic pattern from among them before performing the arithmetic operation (see FIG. 11). ). The arithmetic unit 14 can also perform an arithmetic operation using a preset arithmetic expression by excluding the numerical data that is not to be calculated from the numerical data that has been collectively searched by the numerical data search unit 10.

The arithmetic unit 14 is composed of, for example, a CPU and an arithmetic program, and the pen input unit 6 specifies a range of document data including numerical data continuously arranged in the vertical or horizontal direction of the screen. Then, the operation is performed by changing the operation expression based on the arrangement direction of the numerical data in the specified range of the document, and the operation result is stored in the operation result storage unit 15.
To memorize.

The non-target data setting unit 16 is, for example, a CP
U, which is constituted by a non-target data setting program, and includes one numerical data retrieved by the numerical data retrieval unit 10 or numerical data obtained by adding a horizontal bar to the locus data stored in the locus data storage unit 8 as non-target data. Then, the numerical data of the non-target data is stored in the non-target data storage unit 17.

The display area setting unit 18 determines the shape, position, and size of the display area based on the locus data of the range-designated figure input from the pen input unit 6 with a pen, and stores the display area data in the display area storage unit 19 as display area data. I do.

The storage medium 20 is, for example, a RAM, an EEPROM, a flash memory, a floppy disk, a hard disk, a CD-R /
W, etc., and stores a control program for computer-controlling the present arithmetic unit.

That is, the function of displaying various data on the screen using the display unit 4 in the storage medium 20 and the function of the pen input unit 6
A function of inputting a pen to a tablet formed on a screen of a display unit by using a pen, a function of recognizing locus data input to the tablet by a pen using a pen input control unit 7 and converting the data into various data, A function of storing document data using the data storage unit 9, a function of reading document data stored in the document data storage unit 9 using the display control unit 5 and displaying the read document data on a screen, When the document data including the numerical data is displayed on the screen and the range of the document data including the numerical data to be operated is specified by the pen input unit 6, the numerical data search unit 10 is used to specify the range of the specified data. A function of performing a batch search of numerical data from document data, a function of calculating the collectively searched numerical data using a calculation unit using a calculation unit 14, and a function of using a display control unit 5 And a function of displaying an operation result by the arithmetic unit 14 to the preset display area may store an arithmetic unit control program to be executed by the main control unit 1 of the computer.

The storage medium reading unit 21 reads an arithmetic unit control program for controlling the arithmetic unit from the storage medium 20, and reads the program memory 2 or the buffer memory 3
To install. By reading and installing the arithmetic device control program in the storage medium 20,
The arithmetic device of the present invention can be realized.

FIG. 2 is a diagram showing an example of the document data used for the calculation according to the present embodiment. In FIG. 2, "_"
Indicates document data including numerical data to be calculated, and calculates numerical data to be calculated from the displayed document data in a lump.

FIG. 3 is a diagram showing an example (1) of batch designation of numerical data according to the present embodiment. In FIG. 3, the pen input unit 6 encloses the document data including the numerical data to be calculated in a circle, so that the numerical data (full-width and half-width numbers) included in the document data surrounded by the circle is collectively searched. It can be specified collectively as numerical data to be operated.

That is, the range of the document data designated by the pen of the pen input unit 6 is determined by the pen input control unit 7, and the determined document data is stored in the document data storage unit 9.
The numerical data retrieval unit 10 retrieves only the numerical data, and stores the numerical data in the numerical data storage unit 11.

FIG. 4 is a diagram showing a display example (1) of a calculation result according to the present embodiment. FIG. 4 illustrates an example in which the display control unit 5 displays a calculation expression and a calculation result in a preset window. The display control unit 5 includes an arithmetic expression storage unit 13
Is displayed in the display area, and it is determined whether the designated display area is stored in the display area storage unit 19, If the designated display area is not stored, the arithmetic expression and the arithmetic result are displayed in a preset window.

FIG. 5 is a diagram showing an example (2) of batch designation of numerical data according to this embodiment. FIG. 5 shows document data in which numerical data is arranged in the vertical and horizontal directions, and when numerical data continuous in the vertical direction is surrounded by a circle, the arithmetic unit 14
The calculation is performed as numerical data to be added.

FIG. 6 is a diagram showing an example (3) of batch designation of numerical data according to this embodiment. FIG. 6 shows document data in which numerical data is arranged in the vertical and horizontal directions, and when numerical data continuous in the horizontal direction is surrounded by a circle, the arithmetic unit 14
The calculation is performed as numerical data to be multiplied.

FIG. 7 is a diagram showing an example (1) of specifying non-target data according to this embodiment. In FIG. 7, when numerical data that is not calculated in the document data is designated by drawing a circle or a horizontal bar with the pen input unit 6, the recognition of the circular or horizontal bar is performed, and the specified numerical data is The data is set as non-target data by the non-target data setting unit 16 and stored in the non-target data storage unit 17.

Also, numerical data specified by a circle or a horizontal bar can be calculated by a preset calculation formula. In addition, it is also possible to add or multiply only the retrieved numerical data by clarifying the addition or multiplication in advance.

FIG. 8 is a diagram showing a display example (2) of the calculation result according to the present embodiment. In FIG. 8A, the pen input unit 6
When a circle or rectangle is drawn outside the area of the document data and the display area for displaying the arithmetic expression and the calculation result is specified, the display area is set by the display area setting unit 18 and the shape, position and size of the display area are set. Are stored in the display area storage unit 19.

In FIG. 8B, when the area of the document data is enclosed by the pen input unit 6 with the circle figure, the numerical data included in the enclosed document data is designated collectively.
In FIG. 8C, the numerical data input collectively is calculated by the calculation formula stored in the calculation formula storage unit 13.
The calculation result is stored in the calculation result storage unit 15, and the display control unit 5
Thus, the arithmetic expression and the arithmetic operation are displayed in the set display area.

FIG. 9 is a diagram showing an example (2) of specifying non-target data according to this embodiment. In FIG. 9A, when the pen input unit 6 draws a circle or a rectangle outside the document data area and specifies a display area for displaying an arithmetic expression and an arithmetic result, the display area is set. In FIG. 9B, when the area of the document data is enclosed by the pen input unit 6 with the circle figure, the numerical data included in the enclosed document data is collectively designated.

In FIG. 9C, the numerical data selected collectively is calculated by the calculation formula stored in the calculation formula storage unit 13. The calculation result is stored in the calculation result storage unit 15,
The display control unit 5 displays the arithmetic expression and the arithmetic operation in the set display area. In FIG. 9 (d), by specifying non-target data using a circle or horizontal bar using the pen input unit 6, the re-calculated calculation result excluding non-target data is displayed in the display area.

FIG. 10 is a diagram showing a display example (3) of the calculation result according to this embodiment. FIG. 10 shows a display of a calculation result when the display area is not set in advance, a window is created, and the calculation result is displayed in the window.

FIG. 11 is a diagram showing a storage example of the arithmetic expression storage unit according to this embodiment. In FIG. 11, an operation pattern including a plurality of operation expressions is set by the operation expression setting unit 12 and stored in the operation expression storage unit 13 in advance, and the operation unit 14 selects an operation pattern from among them before the operation processing. I do. In the arithmetic expression storage unit 13, for example, the following four arithmetic operation patterns are set and stored. Calculation pattern 1: A (first number) × B (second number) −C (third number) Calculation pattern 2: A (first number) + B (second number) + C (third number) + D (fourth) number)

FIG. 12 is a flowchart showing the procedure of the arithmetic processing according to this embodiment. S1: Determine whether there is an input. S2: If there is an input, trajectory data is acquired. S3: The acquired trajectory data is analyzed.

S4: As a result of the analysis, it is determined whether or not the trajectory data is a circular figure. S5: If the trajectory data is not a circular figure in S4, it is determined whether or not the trajectory data is a bar figure. If it is not a bar figure, the process proceeds to S26. S6: If the locus data is a circular figure in S4, it is determined whether or not document data exists in the circle. If there is no document data in the circle, the process returns to S1. In the processing of S4 to S6, the graphic input area is determined by the pen input control section 7, and it is determined whether or not there is any document data in the graphic area. To memorize.

S7: If the locus data is a bar figure in S5, it is determined whether or not document data exists on the bar figure. If there is no document data on the bar figure, the process proceeds to S26. S8: If document data exists in the circle figure in S6, numerical data (numerical data) is searched. S9: If document data exists on the bar figure in S7, numerical data (numerical data) is searched.

S10: In S8, it is determined whether or not numerical data has been retrieved from the document data in the circle graphic. If the numerical data is not searched, the process proceeds to S26. In the process of S10, only the numerical data is searched by the numerical data search unit 10 and stored in the numerical storage unit 8. S11: In S9, it is determined whether or not numerical data has been retrieved from the document data on the bar graphic. If the numerical data is not searched, the process proceeds to S26.

S12: If numerical data is found in S10, it is determined whether the number of numerical data is 2 or more. S13: If numerical data is found in S9, it is stored as non-target data, and the process proceeds to S25. S14: If the number of numerical data is 1 in S12, it is stored as non-target data, and the process proceeds to S25.

S15: At S12, the number of numerical data is 2
If so, the non-target data setting unit 16 determines whether there is non-target data. If there is no data to be excluded,
Proceed to S17. S16: If there is non-target data in S15, the non-target data is removed and stored in the non-target data storage unit 17. S17: It is determined whether an arithmetic expression is specified.

S18: If an arithmetic expression is specified in S17, the operation is performed using the specified arithmetic expression. Arithmetic unit 14
Is calculated based on the arithmetic expression (addition / multiplication) stored in the arithmetic expression storage unit 13 in FIG. 1, and the calculation result is stored in the arithmetic result storage unit 15. If the non-target data is specified, the calculation unit 14 performs the re-calculation excluding the non-target data. S19: If an arithmetic expression is not specified in S17,
Calculate with the default (addition) formula.

S20: It is determined whether or not the display area set in the display area storage unit 19 is stored. S21: If the display area is not stored in the display area storage unit 19 in S20, the display control unit 5 displays a window. S22: If the display area set in the display area storage unit 19 is stored in S20, it is determined whether the size of the set display area is large. If the size of the set display area is small, the process returns to S21.

S23: If the size of the set display area is large in S22, the arithmetic expression calculated by the arithmetic unit 14 is displayed in the display area. S24: In S22, the calculation result is displayed in the set display area or window. S25: A window is set as a display area and stored in the display area storage unit 19. S26: Delete the locus data.

FIG. 13 is a flowchart showing the procedure for storing the arithmetic expressions according to the present embodiment. In the processing from S27 to S29 shown in FIG. 13, the arithmetic expression setting unit 12 sets the arithmetic expression input by the pen input unit 6, and stores the arithmetic expression in the arithmetic expression storage unit 13 in advance.

[0060]

According to the present invention, when a calculation is performed using the numerical data included in the document data, the numerical data included in the document data can be set as the numerical data to be calculated by simply specifying the range of the pen input. The calculation result can be confirmed in a display area set arbitrarily.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of an arithmetic device according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating an example of document data used for calculation according to the embodiment.

FIG. 3 is a collective designation example (1) of numerical data according to the embodiment;
FIG.

FIG. 4 is a diagram illustrating a display example (1) of a calculation result according to the present embodiment.

FIG. 5 is a collective designation example (2) of numerical data according to the embodiment;
FIG.

FIG. 6 is an example of batch designation of numerical data according to the embodiment (3).
FIG.

FIG. 7 is a diagram illustrating an example (1) of specifying non-target data according to the embodiment;

FIG. 8 is a diagram illustrating a display example (2) of a calculation result according to the present embodiment.

FIG. 9 is a diagram illustrating an example (2) of specifying non-target data according to the embodiment;

FIG. 10 is a diagram illustrating a display example (3) of a calculation result according to the present embodiment.

FIG. 11 is a diagram illustrating a storage example of an arithmetic expression storage unit according to the embodiment;

FIG. 12 is a flowchart illustrating a procedure of a calculation process according to the embodiment.

FIG. 13 is a flowchart illustrating a procedure for storing an arithmetic expression according to the embodiment.

[Explanation of symbols]

 Reference Signs List 1 Main control unit 2 Program memory 3 Buffer memory 4 Display unit 5 Display control unit 6 Pen input unit (pen) 7 Pen input control unit 8 Trace data storage unit 9 Document data storage unit 10 Numeric data search unit 11 Numeric data storage unit 12 Operation expression setting unit 13 Operation expression storage unit 14 Operation unit 15 Operation result storage unit 16 Non-target data setting unit 17 Non-target data storage unit 18 Display area setting unit 19 Display area storage unit 20 Storage medium reading unit 21 Storage medium 22 Bus

Claims (8)

[Claims] A display unit for displaying various data on a screen;
A pen input unit for pen input to the tablet formed on the screen of the display unit, a pen input control unit for recognizing locus data input to the tablet by pen and converting it into various data, and a document data storage unit for storing document data A display control unit that reads out the document data from the document data storage unit and displays it on the screen; a display control unit that displays the document data including the numerical data on the screen; and a pen input unit that includes the numerical data to be calculated. When a range of document data is specified,
The display control unit includes a numerical data search unit that collectively searches numerical data from document data in a specified range, and a calculation unit that calculates the numerical data searched collectively based on a preset calculation formula. An arithmetic unit for displaying an arithmetic result by the unit in a display area set in advance. 2. An arithmetic expression storage unit for storing an arithmetic expression arbitrarily created by the pen input unit, wherein the arithmetic unit stores the numerical data retrieved collectively from the document data by the numerical data search unit in an arithmetic expression 2. The arithmetic device according to claim 1, wherein the arithmetic is performed based on an arithmetic expression stored in the storage unit. 3. A display area storage unit for storing a shape, a position, and a size of a display area arbitrarily designated by the pen input unit, wherein the display control unit stores the shape, the position of the display area from the display area storage unit. 2. The arithmetic unit according to claim 1, wherein the display area is set on the screen by reading the size and the size. 4. When a range of document data including a plurality of numerical data to be calculated is specified by the pen input unit and numerical data not to be calculated is specified from the range, the numerical data not to be calculated is set. Further comprising a non-target data storage unit for storing the numerical data, wherein the calculation unit performs a calculation using a preset calculation formula by excluding the numerical data not to be calculated from the numerical data collectively searched by the numerical data search unit. The arithmetic device according to claim 1, wherein 5. The display control unit, when displaying a calculation result by the calculation unit in a display area set in advance, arranges the numerical data collectively searched by the numerical data search unit in the order of appearance and combines the numerical data with an operation expression. The arithmetic unit according to claim 1, wherein the arithmetic unit is displayed. 6. When a range of document data including numerical data continuously arranged in the vertical or horizontal direction of the screen is designated by the pen input unit, the pen input control unit is configured to execute the designated range. 2. The arithmetic device according to claim 1, wherein an arrangement direction of the numerical data in the document is determined, and the arithmetic unit performs an arithmetic operation by changing an arithmetic expression based on a determination result by the pen input control unit. 7. Using a display unit to display various data on a screen, using a pen input unit to pen input locus data to a tablet formed on the screen of the display unit, and using a pen input control unit , Recognizes the trajectory data input by the pen on the tablet, converts it into various data, stores the document data using the document data storage unit, and uses the display control unit to store the document data stored in the document data storage unit. Is read out and displayed on the screen. When the document data including the numerical data is displayed on the screen by the display control unit and the range of the document data including the numerical data to be operated is specified by the pen input unit, the numerical data search is performed. Section, search numerical data from the specified range of document data at once, and use the
An arithmetic method characterized by calculating numerical data retrieved collectively based on an arithmetic expression set in advance, and using a display control unit to display an arithmetic result by the arithmetic unit in a preset display area. 8. A storage medium used for an arithmetic device, a function of displaying various data on a screen using a display unit, and a tablet formed on a screen of the display unit using a pen input control unit. A function of recognizing trajectory data input to the tablet using a pen input control unit, a function of recognizing trajectory data input to the tablet, and a function of storing document data using a document data storage unit. A function of reading out the document data stored in the document data storage unit using the display control unit and displaying it on the screen, and displaying the document data including numerical data on the screen by the display control unit and calculating by the pen input unit When the range of the document data including the target numerical data is specified, the numerical data search unit is used to collectively search numerical data from the specified range of document data, and the calculation unit is used. The computer has a function of calculating the numerically searched numerical data based on a preset calculation formula and a function of displaying the calculation result of the calculation unit in a predetermined display area by using the display control unit. A storage medium storing an arithmetic device control program to be executed.