| 摘要 |
PURPOSE:To correct easily an input error, by clearing a prescribed unit of information inputted by pressing a specific key, and clearing one block of cursor movement, all digits of an input number, and function definition by single clearing operation. CONSTITUTION:A display 3, printing part 2, and keyboard 4 are connected to the control part 1 of an electronic computer to form an input system. This keyboard 4 is provided with the key matrix 41 consisting of numeric keys 0-9, a clear key C, etc., and the pressing of the clear key C is detected by the CPU11 of a control part 1 through signal lines S9 and C4. Then, the information inputted by depressing the clear C is cleared on the prescribed unit to clear the movement of a cursor, all digits of an input number, and function definition as one block by single clearing operation, facilitating a correction of an input error. |
