JPH0628317A - Comuputer - Google Patents

Abstract

PURPOSE:To simplify the operation and to decrease the malfunctions of a computer by a carrying out a two-variable operation that is previously decided by the numerical value of a digit number decided previously just with the input of the numerical value carried out by a numerical key. CONSTITUTION:A simple addition mode is set with a simple addition key of a key input part 4 and plural pieces of numerical value of the same digit number are continuously added together. That is, a computer 1 stores the numerical value inputted with the numerical key of the part 4 in the numerical memory 8 of a storage part 2. An arithmetic result memory 9 stores the arithmetic result of an arithmetic part 3 which carries out a designated processing operation with the input of the numerical value of a prescribed digit number. Then, a prescribed two-variable arithmetic operation is carried out between the numerical value stored in the memory 9 and that stored in a numerical value 8. The result of the operation is stored in the memory 9. Thus, it is possible to carry out the prescribed two-variable operation of a prscribed digit number just with the input of the numerical value carried out by a numerical value.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a computer for performing sequential calculation.

[0002]

2. Description of the Related Art Today's popular small-sized calculators called calculators, etc.
In terms of downsizing, it has a sufficient function. When the calculation key is pressed after inputting a numerical value, the computer performs the calculation designated by the key and displays the calculation result.

[0003]

In the conventional small-sized computer, the addition key must be input every time the number is entered even when performing continuous addition, for example, cumulative calculation, so forgetting to enter the addition key. May occur, and the operation is complicated and troublesome.

An object of the present invention is to provide a user-friendly computer which saves the trouble of inputting a calculation key each time a numeral is entered when executing continuous calculations with the same number of digits.

[0005]

According to the present invention, a numerical key for inputting a numerical value, a numerical value memory for storing the input numerical value, an operation result memory for storing an operation result, and a numerical value having a predetermined number of digits are input. And a calculation means for executing a predetermined two-variable calculation between the numerical value of the numerical value memory and the numerical value of the calculation result memory, and storing the calculation result in the calculation result memory. Is.

[0006]

According to the present invention, the computer stores the numerical value inputted by the numerical keys in the numerical value memory, and when the numerical value of the predetermined number of digits is inputted, the numerical value of the operation result memory for storing the operation result, A predetermined two-variable operation is executed with the numerical value in the numerical value memory, and the result is stored in the operation result memory. Therefore, the predetermined two-variable calculation of the numerical value of the predetermined number of digits can be executed only by inputting the numerical value using the numerical keys.

[0007]

1 is a block diagram showing the overall construction of an embodiment of the present invention. The computer 1 stores an operation program for controlling the entire computer 1 and temporarily stores the input numerical value, the operation result, the number of digits of the input numerical value, and the number of digits set in the simple addition mode described later, that is, an X register. 8, Y register 9, Z register 10, N register 11
A storage unit 2 including a calculation unit 3 for executing a specified processing operation based on the program, a key input unit 4 for a user to input a numerical value or select a processing operation, a calculation result, an input numerical value, It is configured to include a display unit 5 that displays a mode name, a buzzer circuit 6 that emits a confirmation sound that prompts confirmation of an input value after a numerical value, and a battery 7 that supplies power to the calculation unit 3.

FIG. 2 is a plan view of the computer 1. The computer 1 includes a battery 7 such as a solar cell and a display unit 5 at the upper position of the main body. A key input unit 4 is provided below the key input unit 4. The simple addition key 12 shown in the figure is a key for instructing switching from the normal calculation mode to the simple addition mode. The numerical key 13 is a key for inputting a numerical value from 0 to 9, and the "00" key is a key for adding "00" to the end of the numerical value. The calculation keys 14a to 14d are keys for instructing addition, subtraction, multiplication and division, respectively, and the percent key 14e.
Is a key for instructing percentage calculation.

The equal key 15 is a key for instructing switching from the simple addition mode to the normal calculation mode, and for clearing all the registers after displaying the Y register 9. In the normal calculation mode, the display of the calculation result is instructed. The key to clear all registers that temporarily store numerical values. The all clear key 16a is a key for clearing all registers, and the clear key 16b is a key for clearing only the X register 8.

The memory operation key 17 is a key for accumulating numerical values displayed on the display unit 5 by addition or subtraction in the memory, and includes a key for displaying the memory contents and clearing the memory contents. The decimal point key 18 is a key that gives a decimal point to the end of the input numerical value when this key is pressed.

FIG. 3 is a flowchart showing the operation of the entire computer 1 of this embodiment. The computer 1 starts its operation when the power is turned on. In step m1, the computer 1 gives an initial value “0” to registers such as the X register 8, the Y register 9, the Z register 10, and the N register 11, clears the display screen, and displays the X register 8. In step m2, it is determined whether or not there is a key input from the key input unit 4, and if there is no key input, the process returns to step m2 to enter the key input standby state. If it is determined that there is a key input, the process proceeds to the next step m3.

At step m3, it is judged whether or not the simple addition key 12 is pressed, and if so, the process proceeds to step m8. At step m8, the register number of 1 (the least significant) digit of the X register 8 is set as N in the simple addition mode.
Write to register 11. In the next step m9, 0 is given to the X register 8 to display the value of the N register 11, and the process returns to step m2 to wait for the next key input. In step m3,
When the simple addition key 12 is not pressed, the process proceeds to the next step m4.

At step m4, it is judged whether or not the numeral key 13 has been pressed. If not, the routine proceeds to step m14. If the numeral key 13 is pressed, the process moves to the next m5.

At step m5, it is judged whether or not the mode is the simple addition mode. If the mode is the simple addition mode, the process proceeds to the next step m6. If the mode is not the simple addition mode, it is considered that a numerical value has been input and the process goes to step m12. In step m12, the numerical value which is the contents of the X register 8 is multiplied by 10, the input numerical value is added, and the value is written in the X register 8 again. At the next step m13, the value of the X register 8 is displayed on the display unit 5, and the process returns to step m2.

If it is the simple addition mode in step m5, the process proceeds to the next step m6. In step m6, it is determined whether or not the number of digits for simple addition is set, and if it is set, the process proceeds to step m7. In step m7, simple addition processing is performed, and the process returns to step m2.

If the number of digits for simple addition is not set in step m6, the process proceeds to step m10. Step m1
At 0, it is determined whether or not a numerical value is input to the X register 8, and if the numerical value is input to the X register 8, the value of the digit of 1 of the X register 8 is set to the digit of the simple addition in the next step m11. The number is written to the N register 11, 0 is given to the X register 8, and the value of the N register 11 is displayed on the display unit 5. Then, the process returns to step m2.

At step m10, if no numerical value is input to the X register 8, the process returns to step m2. If the numeral key 13 is pressed by the next key input, step m
After 6 and m10, in step m11, the registered number is written in the N register 11 as the number of digits for simple addition.

If it is determined in step m4 that the numeral key 13 has not been pressed, the process proceeds to step m14. Step m14
Then, it is determined whether or not the equal key 15 is pressed, and if the equal key 15 is pressed, step m
Moving to 15, the simple addition mode is ended. Step m1
At 6, the value of the Y register 9 as the calculation result is displayed on the display unit 5, 0 is given to all the registers, and the process returns to step m2. In step m14, if the equal key 15 is not pressed, the process proceeds to the next step m17, the calculation corresponding to each input key is performed, and the process returns to step m2.

FIG. 4 is a flow chart showing the operation of the simple addition process in step m7 of FIG. In step n1, the contents of the X register 8 are multiplied by 10, the input numerical value is added, and the result is written into the X register 8. Next step n2
At, the contents of the X register 8 are displayed on the display unit 5, and the process proceeds to the next step n3.

At step n3, the numerical value of the Z register 10 which is the number of digits of the numerical value which is the contents of the X register 8 is N
It is determined whether or not the number of digits of the simple addition held in the register 11 is equal to or more than that, that is, whether the number of digits of the input numerical value has reached the number of digits of the simple addition.
When the number of digits of the input numerical value reaches the set number of digits, the process proceeds to step n4, the buzzer circuit 6 is driven and a confirmation sound is generated to notify that the number of digits has reached the set number of digits. Next, step n5
In, the contents of the X register 8 are added to the contents of the Y register 9, and the contents are written into the Y register 9. At step n6, X
0 is given to the register 8. In step n7, the Y register 9 is displayed, and the process ends.

In step n3, while the value of the Z register 10 does not reach the value of the number of digits set in the N register 11, the processes of steps n4 to n7 are not performed and the process ends.

FIG. 5 is a view showing an example of the display screen of the display 5 when performing simple addition. 5 (1)-
(4), (15), and (16) will be described with reference to the steps of the flowchart of FIG. 3, and FIGS. 5 (5) to (14) will be described with reference to the respective steps of the flowchart of FIG.

FIG. 5A is an initial screen displayed in step m1. FIG. 5B is a display screen displayed in step m13 when the user presses the numeral key 13 of "5". At this time, the computer 1 uses the step m1.
In step 2, “5” is stored in the X register 8. Figure 5
Step (3) is a step m1 when the user inputs the numeral key 13 of "5" followed by the numeral key 13 of "3".
3 is a display screen displayed in 3. Calculator 1 at step m12 is a numeric value + 10 · X, that is, “3” + 10 ×
"5" = 53 is calculated and the contents of the X register 8 is changed to "5".
3 "and the content" 53 "of the X register 8 is displayed on the display unit 5 in step m13.

FIG. 5 (4) is a display screen when the user presses the simple addition key 12 while FIG. 5 (3) is being displayed. Calculator 1 sets the simple addition mode in step m8, writes the last digit "3" of "53" written in the X register 8 to the N register 11 as the set digit number of the simple addition, and proceeds to step m9. The N register 11 is displayed with and the X register 8 is cleared. Further, a symbol 18 indicating the simple addition mode is displayed in the blank area on the right shoulder of the display screen.

FIGS. 5 (5) to 5 (14) are examples of display screens in the simple addition process. In FIG. 5 (5), the user presses the numeral key 13 of "1", and the computer 1 executes step m.
After 4 to m6, the simple addition process of step m7 is started,
It is a display screen displayed in step n2 through step n1 of the flowchart shown in FIG. In step n1, the same calculation as in step m12 in FIG.
The register number "1" is written in the register 8 and the X register 8
Write the number of digits in the number in the Z register 10. Step n
At 2, the numerical value in the X register 8 is displayed.

In the next step n3, the computer 1 determines the size of the numerical value of the contents of the Z register 10 and the numerical value of the contents of the N register 11, that is, the number of digits of the input numerical value and the number of digits of simple addition setting. When the numerical value in the Z register 10 does not reach the numerical value in the N register 11, the present process is terminated because of the next numeral and the process returns to step m2. Since the number of digits to be set in this simple addition processing is three, the processing of steps n4 to n7 is not performed and the processing returns to step m2 until the numerical value of the X register 8 reaches three digits.

FIGS. 5 (6) and 5 (7) show display screens displayed when the user presses the numeral keys 13 of "2" and "3" following "1". When the numeral key 13 of "3" is pressed, the numerical value in the X register 8 becomes "123", and the digit number "3" in the X register 8 is written in the Z register 10. As shown in FIG. 5 (7), in step n2, the content "123" of the X register 8 is displayed. At step n3, the numerical value "3" in the Z register 10 is changed to the numerical value "123" in the X register 8.
The number of digits of the number is “3” in the N register 11, that is,
It is determined that the number of digits for simple addition has been reached, and the process proceeds to the next step n4.

At step n4, a confirmation sound is generated to indicate that the input numerical value has reached the set digit number. At the next step n5, the content "123" of the X register 8
And Y register 9 contents “0” are added, that is, 1
23 + 0 = 123 is calculated and written in the Y register 9. At this time, the initial value “0” is given to the Y register 9 in step m1.
3 ”is given. In the next step n6, the X register 8
Write "0" to.

FIG. 5 (8) is a display screen displaying the contents of the Y register 9 which is the calculation result in step n5.

5 (9) to (11), (13), and (1)
Similarly to FIGS. 5 (5) to 5 (7), 4) is a display screen for displaying the numerical values input to the X register 8 displayed in step n2.

In FIG. 5 (12), the numerical value "456" written in the X register 8 at step n1 which is the step immediately before the display of FIG. 5 (11) is changed to step n5.
Is added to the content “123” of the Y register 9, that is, 456 + 123 = 579 is calculated,
The contents of the Y register 9 overwritten by
9 is a screen displaying "9".

FIG. 5 (15) shows that the number of digits set in the X register 8 is 3 during input of a numerical value in the simple addition process.
On the display screen when the equal key 15 is input while the numerical value "78" that does not reach the digit is held, the simple addition mode is canceled in step m15 of FIG. 3 and the numerical value of the Y register 9 is calculated in step m16. It is a display screen showing “579” and a symbol 19 “=” indicating that the simple addition mode is canceled by pressing the equal key 15. At step m16, the X register 8, the Y register 9, the Z register 10, and the N register 11 are simultaneously cleared, and the process returns to step m2.

In FIG. 5 (16), the numeral key 1 of "9" is next.
3 is a display screen when 3 is pressed, and displays the register number of the X register 8 in the normal calculation mode.

As described above, according to the present embodiment, if the simple addition mode is set by using the simple addition key 12 and continuous addition of numerical values having the same number of digits is performed, when inputting numerical values, the numeric keypad is used. Since it is only necessary to press 13, the amount of movement of the finger at the time of key input is small, forgetting to press the addition key 14a, and the numeric key 13
It is possible to reduce the occurrence of erroneous operations such as pressing the wrong button. It should be noted that the present invention is not limited to addition, but may be performed in connection with subtraction, multiplication, and division, or may be performed with respect to general 2-variable operation.

[0035]

As described above, according to the present invention, the computer executes a predetermined two-variable operation of a predetermined number of digits,
Since it is executed only by inputting a numerical value with a predetermined number of digits using the numerical keys, the operation of the computer can be simplified and erroneous operations can be reduced.

[Brief description of drawings]

FIG. 1 is a block diagram showing the overall configuration of an embodiment of the present invention.

FIG. 2 is a plan view of the present embodiment.

FIG. 3 is a flowchart showing the overall operation of the computer 1 of this embodiment.

FIG. 4 is a flowchart illustrating an operation of simple addition processing in step m7 of FIG.

FIG. 5 is a diagram showing an example of a display screen on the display unit 5 when performing simple addition.

[Explanation of symbols]

 1 computer 2 storage unit 3 arithmetic unit 4 key input unit 8 X register 9 Y register

Claims (1)

[Claims] 1. A numerical key for inputting a numerical value, a numerical memory for storing the input numerical value, a calculation result memory for storing a calculation result, and a numerical value memory for storing a numerical value having a predetermined number of digits. A computer comprising: a calculation unit that executes a predetermined two-variable calculation between a numerical value and a numerical value of the calculation result memory and stores the calculation result in the calculation result memory.