| 摘要 |
<p>PURPOSE:To simplify the key operation and omit a duplicated print, by printing the result of percent calculation and data resulted from addition or subtraction of this result if the kind of function key is the subtotal key when an addition or subtraction key is operated. CONSTITUTION:After a total key * on a keyboard 4 is depressed to print the result of a processing based on the total key *, an addition or subtraction processing is performed when an addition or subtraction key + or - is depressed after data entry due to entry keys 11, and the addition or subtraction processing result is printed, and an operated function key 12 is discriminated; and if it is a subtotal key , the result of percent calculation is printed, and data of an operation memory where the result of percent calculation is added or subtracted is printed also.</p> |
