JPH10222473A - Device, method fro electronic calculation and recording medium recording control program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily perform calculation in the field of chemicals. SOLUTION: A ROM 24 prepares an atomic weight table 24a registering data concerning physical quantity corresponding to respective atomic symbols to be used for chemical formulas. A CPU 10 prepares the chemical formula corresponding to an input from a key input part 12 or a tablet 14 and prepares a calculation formula for target prescribed calculation such as for calculating the atomic weight, for example, while referring to the physical quantity registered in the atomic weight table 24a based on the atomic symbols included in the prepared chemical formula corresponding to the chemical formula. The CPU 10 performs calculating processing corresponding to the prepared calculation formula and displays the result of that calculating processing on a display part 18 together with the prepared chemical formula and calculation formula.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic computer for performing calculations in the field of chemistry, an electronic computer method, and a recording medium on which a control program is recorded.

[0002]

2. Description of the Related Art Generally, in an electronic computer, a character (character string) is input, a calculation represented by four arithmetic expressions, a calculation by a functional expression, a graph drawing by a functional expression, and a recording on a recording medium. And the like controlled by the executed program.

[0003] When users in the field of chemistry use electronic computing devices, there are frequently opportunities to input and display various elemental symbols, such as creating character strings representing compounds.

Further, various calculations in the field of chemistry, for example, calculation of the atomic weight of a compound represented by a chemical formula can be performed. In this case, the calculation is performed by inputting the atomic weight of atoms, molecules, and the like as numerical values and inserting calculation symbols as necessary, in the same manner as when performing calculation processing in a general field. .

[0005]

As described above, in the conventional electronic computer, when performing calculations in the field of chemistry, it was necessary to create a calculation formula by inputting physical quantities such as atomic weights as numerical values. That is, in order to perform the calculation process, knowledge about physical quantities such as atomic weight is necessary. If this knowledge is not available, information about the necessary physical quantities must be obtained by referring to references and the like. Could not perform chemical calculations.

[0006] Even if the calculation formula is a chemical calculation, since the calculation formula is created in the same manner as a normal numerical calculation, when the calculation formula is checked later, it is determined what calculation formula was executed. There was a problem that it would not be possible.

The present invention has been made in view of the above circumstances, and provides an electronic computer which can easily perform calculations in the field of chemistry, an electronic computer method, and a recording medium on which a control program is recorded. The purpose is to do.

[0008]

According to the present invention, there is provided a registration means in which data relating to a physical quantity corresponding to each element symbol used in a chemical formula is registered, and a chemical formula creation means for creating a chemical formula represented by using the element symbol. A calculation formula creation unit that creates a calculation formula related to the chemical formula by referring to a physical quantity registered in the registration unit based on an element symbol included in the chemical formula according to the chemical formula created by the chemical formula creation unit. Calculating means for performing a calculation process on the calculation formula created by the calculation formula creation means; a calculation result by the calculation formula created by the chemical formula creation means; and a calculation formula created by the calculation formula creation means. Display means for displaying together with the calculated formula.

According to such a configuration, by creating a chemical formula using element symbols without directly creating a calculation formula, it is possible to perform calculations in a certain chemical field, for example, to obtain an atomic weight. A calculation formula for performing the calculation is created using the physical quantity data registered in the registration means.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram illustrating a configuration of an electronic computing device according to the present embodiment. The electronic computing device according to the present embodiment is realized by a computer that reads a program recorded on a recording medium and whose operation is controlled by the program.

As shown in FIG. 1, a display device according to the present embodiment includes a CPU 10, a key input unit 12, a tablet 1
4, position detection circuit 16, display section 18, display drive circuit 2
0, a RAM 22, a ROM 24, and a recording medium reading unit 26.

The CPU 10 receives a key operation signal from the key input unit 12 and a tablet 14 from the position detection circuit 16.
A system program stored in advance in the ROM 24 is started in accordance with the data of the position instruction with respect to, and the operation of each part of the circuit is controlled in accordance with the system program. Further, the CPU 10 executes operation control according to various operation modes (chemical calculation mode, graph drawing mode, program mode, etc.) according to a control processing program stored in the ROM 24 in advance. C
In addition to the key input unit 12 and the ROM 24, the PU 10
M22 is connected, and the display unit 16 is connected via the recording medium reading unit 26 and the display drive circuit 20.

A key input unit 12 is for inputting instructions and data for defining the operation of the apparatus. The key input unit 12 is a menu key 12a for selecting a mode, a numerical key 12b for inputting numerical data, and various characters including alphabets. There are provided various function keys such as a character key 12c, a cursor key 12d, an execution key 12e, an enter key 12f, and an operation key 12g used for inputting an operation symbol in a chemical calculation mode or the like.

The tablet 14 inputs data (coordinate data) by, for example, pointing at a position on the data input surface with a pen, and can input pointing, a handwritten pattern, and the like with the pen. Tablet 14
Is overlapped with the display surface of the display unit 18 (for example, a liquid crystal display) to constitute a liquid crystal display touch panel. Therefore, data can be input by directly instructing the screen contents displayed by the display unit 18 using a pen.

The position detection circuit 16 outputs data (coordinate data) indicating the position specified on the data input surface of the tablet 14 to the CPU 10. The display unit 18 is formed of, for example, a liquid crystal display capable of color display, and performs various displays under the control of the display drive circuit 20, and performs a screen display for inputting element symbols in a chemical calculation mode.

The display drive circuit 20 controls various types of data stored in the RAM 22 under the control of the CPU 10,
The display drive such as the display of element symbols on the display unit 18 is controlled. The RAM 22 stores various data handled by the display device, and includes a display register 22a, a mode register 22b, a fixed character register 22c, a calculation formula register 22d, a numerical value register 22e, and the like.

Display data to be displayed on the display unit 16 is developed and stored as bitmap data in the display register 22a. The mode register 22b stores the current operation mode (chemical calculation mode, graph mode,
Data indicating any one of a program mode, etc.) is stored. The fixed character register 22c is input to create a chemical formula in the chemical calculation mode, and stores data of element symbols in a fixed state. Formula register 2
2g is a predetermined calculation formula in the field of chemistry, for example, a calculation formula for calculating the atomic weight of a substance represented by the chemical formula, corresponding to the chemical formula represented by the input element symbol, numerical value, and operation symbol in the chemical calculation mode. Is recorded. The numerical value register 22e is
The result of the calculation process (the numerical value indicating the atomic weight in the present embodiment) for the calculation formula stored in g is stored.

The ROM 24 stores a system program for controlling the overall operation of the display device, a control processing program corresponding to various operation modes, and other fixed data referred to in each operation mode, for example, a chemical calculation mode. Is stored in advance (the details will be described later). Atomic weight table 2
Reference numeral 4a is referred to when performing a predetermined calculation in the field of chemistry, that is, a chemical calculation based on a chemical formula represented by an element symbol.

The recording medium reading section 26 includes a display device (computer) in addition to various data recorded on the recording medium 28.
Of the program for controlling the operation. The recording medium reading unit 26 includes, for example, a magnetic disk device (floppy disk, hard disk, etc.), an optical disk device (C
D-ROM, DVD, etc.) are used.

FIG. 2 shows an external configuration of the display device according to the present embodiment. As shown in FIG. 2, the display device has an input device 3 on which a plurality of data input keys are arranged.
0 (key input unit 12) and a display device 32 (display unit 1) composed of, for example, a liquid crystal display capable of color display.
8) is provided. The menu key 12a, the execution key 12e, and the enter key 12 provided on the input device 30 are provided.
f may be a key assigned to a specific function key instead of a dedicated key.

Next, details of the atomic weight table 24a stored in the ROM 24 will be described with reference to FIG. FIG. 3 shows the correspondence between the data registered in the atomic weight table 24a.

As shown in FIG. 3, the atomic weight table 24a
Is registered with a physical quantity of an element corresponding to each element symbol prepared for performing a chemical calculation. In the present embodiment, in order to perform a chemical calculation for obtaining an atomic weight, an atomic number and an atomic weight are assigned to each element. Are registered in association with each other.

Next, the operation of this embodiment will be described. First, about the whole processing of the electronic computing device,
This will be described with reference to the flowchart shown in FIG. First, when the menu key 12a of the key input unit 12 is pressed to select an operation mode (step A1), the CPU
The control unit 10 controls the display drive circuit 20 to display a mode selection screen on the display unit 18 (step A2).
The mode selection screen shows a list of selectable operation modes,
That is, an item for selecting any one of the chemical calculation mode, the graph mode, the program mode, and the like is displayed.

When the mode selection screen is displayed (step A3), any mode can be arbitrarily selected by operating the cursor key 12d or the like (step A4). Here, when an arbitrary mode is selected and the execution key 12e is pressed (step A5), the CPU
10 sets the designated mode to an executable state,
Display the initial screen of the set mode (step A
6, A7).

The CPU 10 uses the input data after the mode setting in the processing in the setting mode. That is, when the chemical calculation mode is set (step A8), the chemical calculation mode processing is executed using the input data (step A9), and when the sgraph mode is set similarly, Graph mode processing (steps A10 and A11), and program processing (step A1) when the program mode is set
2, A13) are respectively executed.

Since the graph mode processing and the program mode processing are not related to the present invention, detailed description will be omitted. Next, the chemical calculation mode in the present embodiment will be described with reference to a flowchart shown in FIG. 5 and an example of a display screen shown in FIG.

In the chemical calculation mode, the characters (alphabets and numerals) input by the character keys 12c are treated as characters representing elemental symbols (or molecular formulas) and input, and a calculation formula for calculating the atomic weight is set. Then the atomic weight can be determined.

When the execution of the chemical calculation mode is instructed, C
The PU 10 displays an initial screen for inputting an element symbol (molecular formula) as shown in FIG. FIG.
An element input area for inputting an element symbol (molecular formula) by a pointing operation with a pen or the like on the tablet 14 is provided in the screen shown in FIG.
In the element input area, for example, as shown in FIG. 7, a list pattern of element symbols is displayed in the same arrangement as the periodic table of elements.

Here, the tablet 1 is operated by operating the pen.
4 is pointed on the data input surface, and the position detection circuit 16 detects the designated position.
Inputs coordinate data indicating the designated position (step B
1). Then, the CPU 10 determines whether or not the position pointed by the pen is included in the element input area based on the coordinate data from the position detection circuit 16 (step B2).

When the designated position is included in the element input area, the CPU 10 determines which element symbol is displayed in the element input area based on the coordinate data.

When the CPU 10 specifies the region where the element symbol is displayed, the CPU 10 selects the corresponding element (step B).
3) The character data representing the element symbol of this element is stored in RAM
Then, the display drive circuit 20 is stored in the display register 18 by storing the character pattern of the inputted character in the display register 22a. The CPU 10 also stores the atomic weight table 24 in the ROM 24 based on the input characters (element symbols).
The element a is searched, the atomic weight corresponding to the element is determined, and the pattern for displaying the atomic weight is stored in the display register 22a together with the input character pattern and displayed (step B4).

Further, the CPU 10 registers the atomic weight corresponding to the input element in a calculation formula for calculating the atomic weight, stores the calculation result in the calculation formula register 22d of the RAM 22, and displays the calculation formula (step B5).

The CPU 10 performs a calculation process on the calculation formula stored in the calculation formula register 22d, and stores the calculation result in the numerical value register 22e (step B).
6). The CPU 10 stores and displays the pattern representing the result of the calculation processing in the display register 22a (step B7).

On the other hand, when a character (alphabet) is input by operating the character key 12c of the key input unit 12 instead of the input from the tablet 14, the CPU 10
Stores the input character (alphabet) pattern in the display register 22a for display (step B).
9).

The character input by the character key 12c is initially treated as being in an undetermined state, and the character data is stored in a work area (not-determined character register) of the RAM 22 (not shown). When characters are continuously input by the character keys 12c, that is, when an element symbol is represented by two characters, character data is sequentially stored in an undetermined character register (not shown). .

Here, the enter key 12f of the key input section 12
When the determination is made for the input character (step B10), the CPU 10 refers to the undetermined character register and determines whether there is any undetermined character (alphabet) (step B11). ).

If there is an undetermined input character (alphabet), the CPU 10 determines the atomic weight table 2 in the ROM 24 based on the input character (element symbol).
4a is searched (step B12), and the presence or absence of an element corresponding to the input character is determined (step B13). C
When the relevant element can be retrieved from the atomic weight table 24a, the PU 10 selects the relevant element (Step B1).
4) The character data representing the element symbol of this element is stored in RAM
Then, the display drive circuit 20 is stored in the display register 18 by storing the character pattern of the inputted character in the display register 22a. Further, the CPU 10 executes the atomic weight table 2
An atomic weight corresponding to the corresponding element is obtained from 4a, and a pattern for displaying the atomic weight is stored in the display register 22a together with the input character pattern and displayed (step B4).

Further, the CPU 10 registers the atomic weight corresponding to the input element in a calculation formula for calculating the atomic weight, stores it in the calculation formula register 22d of the RAM 22, and displays the calculation formula (step B5). CPU10
Performs a calculation process on the calculation formula stored in the calculation formula register 22d, and stores the calculation result in the numerical value register 22e.
(Step B6). The CPU 10 stores and displays the pattern representing the result of the calculation processing in the display register 22a (step B7).

When the element symbol in the atomic weight table 24a is searched based on the character for which the instruction has been confirmed, if there is no element symbol corresponding to the input character, the CPU 10
Displays an error as an input character is incorrect (does not represent an element symbol) (step B15).

FIG. 6B shows an example of a display screen when the element symbol "H" of hydrogen is input. That is, when the element symbol “H” in the element input area where the periodic table is displayed is indicated by the pen, or when the character key 1
This is a case where the confirmation is instructed by the confirmation key 12f after the alphabet "H" is inputted by 2c.

As shown in FIG. 6B, the input element symbol "H" is displayed, and "(1)" representing the calculation formula is displayed corresponding to the element symbol "H". Yes (1
Only the atomic weight is displayed because only the element symbols of the two elements have been entered.) Further, in the chemical calculation mode of the present embodiment, since the chemical calculation for obtaining the atomic weight is performed, the calculation result “= 1” for the calculation formula for calculating the atomic weight is displayed.

Next, similarly, when a numerical value is input by operating the numerical value key 12b (step B16), the CPU
10 determines whether or not the element symbol has already been input immediately before with reference to the fixed character register 22c (step B17). If an element symbol is entered immediately before, C
The PU 10 assumes that the input numerical value is a numerical value indicating the number of elements corresponding to the element symbol input immediately before, and displays a pattern (for example, a small subscript) of a numerical value (numerical value) indicating the number of elements in the display register 22a. It is stored and displayed along with the element symbol (step B18).

Further, the CPU 10 sets the input numerical value (n)
Is set in the calculation formula register 22d as (previous element × n) (step B19), and a pattern (for example, a small letter with a subscript) of a numerical value (number) representing the number of elements is stored in the display register 22a. Displayed along with the previously entered calculation formula (number) (step B
5).

The CPU 10 performs a calculation process on the calculation formula stored in the calculation formula register 22d, and stores the calculation result in the numerical value register 22e (step B).
6). The CPU 10 stores and displays the pattern representing the result of the calculation processing in the display register 22a (step B7).

FIG. 6C shows an example of a display screen when a numerical value "2" is input following the input of the element symbol "H" of hydrogen. As shown in FIG. 6 (C), the number “2” is displayed in small subscripts along with the already entered element symbol “H”, and the calculation formula corresponding to the molecular formula “H ₂ ” is shown. "(1) ₂ " is displayed. Also,
The calculation result obtained by the chemical calculation for obtaining the atomic weight, that is, the numerical value “= 2” which is twice the result of the previous calculation processing stored in the numerical value register 22e is displayed.

When an element symbol has not been input immediately before the numerical value is input by operating the numerical key 12b (step B17), the CPU 10 proceeds to the next input of the element symbol indicated by the alphabet. Display a pattern of a numerical value (numerical value) indicating the number of elements or molecules as a numerical value indicating the number of elements or molecules.
2a to be stored and displayed (step B20).

The CPU 10 sets the input numerical value (n)
Is set in the calculation formula register 22d as (element (molecule) input immediately after nx) (step B2).
1) A pattern of a numerical value (numerical value) representing the number of elements is stored in the display register 22a in the calculation formula, and is displayed together with the previously input calculation formula (numerical value) (step B).
5).

In a state where the element symbols have already been input, the character keys 12c and the enter key 12f are operated in the same manner, or based on the coordinate data input from the position detection circuit 16 by operating the pen. If the element symbol has been input (step B8), the CPU 10 performs the processing according to the above-described procedure. However, since the element symbol representing another element has been input first, the CPU 10
Operation symbol “+” representing addition to the calculation formula stored in d
And then register the atomic weight of the element corresponding to the input character. Further, the CPU 10 stores the value in the numerical value register 22.
The atomic weight corresponding to the input element symbol is added to the result of the previous calculation processing stored in e, and the result is displayed.

FIG. 6 (D) shows an example of a display screen when the oxygen element symbol "O" is input after the input of the molecular formula "H ₂ ". As shown in FIG. 6 (D), entered molecular formula of "H _2" to be added chemical symbol "O" with the molecular formula "H ₂ O" is displayed, in correspondence with the molecular formula "H ₂ O" “(1) ₂ + (16)” representing the calculation formula is displayed. In addition, the calculation result obtained by the chemical calculation for obtaining the atomic weight, that is, the result of the previous calculation processing stored in the numerical value register 22e is added to the atomic weight 16 of oxygen.
Is displayed as a numerical value “= 18”.

When an operation symbol (+,-, x, ÷, etc.) is input by operating the operation key 12g (step B22), the CPU 10 sets the element symbol (number) stored in the fixed character register 22c. (Including step B23), and display the result by adding it to the calculation formula stored in the calculation formula register 22d (step B23).

In FIG. 6E, following the input of the molecular formula "H ₂ O", the operation symbol "+" and the element symbol "He" of helium ("H" and "e" input by the character keys 12c) 9 shows an example of a display screen when the user inputs a confirmation instruction (using the confirmation key 12f). As shown in FIG. 6 (E), the inputted molecular formula “H ₂ O” is added with an operation symbol “+” and an element symbol “He” to form a chemical formula “H ₂ O + He”.
Is displayed, and “(1) ₂ + (16) + (4)” representing the calculation formula is displayed corresponding to the chemical formula “H ₂ O + He”. Also, a numerical result “= 22” obtained by adding the helium atomic weight 4 to the calculation result obtained by the chemical calculation for obtaining the atomic weight, that is, the result of the previous calculation processing stored in the numerical value register 22e is displayed.

In this way, by creating a chemical formula (including numbers and operation symbols) represented by using element symbols,
The atomic weight table 24a is searched based on the element symbols, the atomic weight corresponding to each element is obtained, a calculation formula for obtaining the atomic weight of the chemical formula is created, and the calculation process is executed. That is, since it is not necessary to create a calculation formula by directly inputting the atomic weight as a numerical value, knowledge of the physical quantity such as the atomic weight of each element is not necessarily required, and a simple chemical calculation (calculation of the atomic weight) can be performed. it can.
Therefore, the burden on the user can be greatly reduced.

Also, since the chemical formula is actually created, it is possible to accurately understand what the calculation formula means. Furthermore, when creating a chemical formula, not only is it necessary to operate each key of the key input unit 12, but also
A character (alphabet) representing an element symbol can be input based on the coordinate data input from the position detection circuit 16 in accordance with the pointing on the data input surface of the tablet 14 by the operation of the pen. This makes it simpler, and prevents erroneous input of element symbols.

In the above-described embodiment, the case where the atomic weight is obtained as the chemical calculation is described as an example. However, the calculation in the field of chemistry, that is, the chemical calculation based on the chemical formula represented by the element symbol is performed. If so, other types of calculations can be targeted. In this case, a table corresponding to the type of calculation is prepared in the ROM 24 in the same manner as the atomic weight table 24a, and necessary numerical values are read out according to the chemical formula to be created to create a calculation formula. In addition, not only the numerical value of each element but also a predetermined constant or the like may be stored and read out as needed to create a calculation formula.

The method described in the above-described embodiment includes, as programs that can be executed by a computer, for example, a magnetic disk (floppy disk, hard disk, etc.), an optical disk (CD-ROM,
It is also possible to write the data on a recording medium such as a DVD or a semiconductor memory and apply it to various devices, or to transmit it via a communication medium and apply it to various devices. A computer that realizes the present apparatus reads the program recorded on the recording medium, and executes the above-described processing by controlling the operation of the program.

[0056]

As described in detail above, according to the present invention, a predetermined calculation formula is created in accordance with a chemical formula created using element symbols, and the calculation result is obtained. Can be calculated.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an electronic computer according to an embodiment of the present invention.

FIG. 2 is a diagram showing an external configuration of a display device according to the embodiment.

FIG. 3 is a diagram showing details of an atomic weight table 24a stored in a ROM 24 in the embodiment.

FIG. 4 is an exemplary flowchart for explaining overall processing of the electronic computer according to the embodiment;

FIG. 5 is a flowchart for explaining processing in a chemical calculation mode according to the embodiment.

FIG. 6 is a view showing an example of a display screen in a chemical calculation mode according to the embodiment.

FIG. 7 is a view showing an example of a display pattern of an element input area according to the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... CPU 12 ... Key input part 14 ... Tablet 16 ... Position detection circuit 18 ... Display part 20 ... Display drive circuit 22 ... RAM 24 ... ROM 24a ... Atomic weight table 26 ... Recording medium reading part 28 ... Recording medium

Claims (4)

[Claims] 1. A registration unit in which data relating to a physical quantity corresponding to each element symbol used in a chemical formula is registered; a chemical formula creation unit for creating a chemical formula represented by using an element symbol; A calculation formula creation unit that creates a calculation formula related to the chemical formula by referring to a physical quantity registered in the registration unit based on an element symbol included in the chemical formula according to the chemical formula, Calculation means for performing calculation processing on the created calculation formula; display for displaying the result of the calculation processing by the calculation means together with the chemical formula created by the chemical formula creation means and the calculation formula created by the calculation formula creation means And an electronic computing device comprising: 2. The calculation formula creating means includes: a periodic table displaying means for displaying a periodic table of elements; and an element selecting means for arbitrarily selecting an element symbol from the periodic table displayed by the periodic table displaying means. Using the element symbol selected by this element selection means,
The electronic computing device according to claim 1, wherein a chemical formula is created. 3. Registering data relating to a physical quantity corresponding to each element symbol used in the chemical formula in a registration means, creating a chemical formula represented using the element symbol, and according to the created chemical formula, A calculation formula for the chemical formula is created with reference to the physical quantity registered in the registration means based on the element symbol included in the chemical formula, and a calculation process for the created calculation formula is performed. And an electronic calculation method characterized by displaying the created chemical formula and calculation formula. 4. When a computer inputs a chemical formula represented by an element symbol, the computer displays each element used in the chemical formula based on the element symbol included in the chemical formula according to the input chemical formula. Accessing the registration means in which the data related to the physical quantity corresponding to the symbol is registered, and referring to the physical quantity registered therein, calculating formula creating means for creating a calculation formula related to the chemical formula, created by the calculation formula creating means Calculation means for performing calculation processing on the calculation formula; display means for displaying the result of the calculation processing by the calculation means together with the chemical formula created by the chemical formula creation means and the calculation formula created by the calculation formula creation means. A recording medium on which a control program for functioning is recorded.