| 摘要 |
PROBLEM TO BE SOLVED: To provide an electronic calculator that includes a mechanism allowing a user to easily calculate the difference between results of tax calculations with different tax rates. ! SOLUTION: An electronic calculator stores a first tax rate and second tax rate, receives the input of a prime cost before the addition of the first tax rate or second tax rate, receives a calculation instruction for calculating the difference between a first tax inclusive value in which the first tax rate is added to the prime cost and a second tax inclusive value in which the second tax rate is added to the prime cost, calculates the difference according to the reception of the calculation instruction, and displays the calculated difference on a display unit. ! COPYRIGHT: (C)2015,JPO&INPIT |
