| 摘要 |
PROBLEM TO BE SOLVED: To provide a calculation display method facilitating confirmation of input errors of numeric values and checked results to reduce a user's burden. SOLUTION: A CPU 17 displays the numeric values input through a keyboard 11, on a display device 19. The CPU 17 computes the digit radicals of the numeric values displayed on the display device 19 or the digital roots of the numeric value selected out of the numeric values displayed on the display device 19. The CPU 17 displays the computed digital roots together with the numeric values on the display device 19. COPYRIGHT: (C)2008,JPO&INPIT
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