Electronic apparatus having an improved calculation function

Details Electronic apparatus having an improved calculation function Electronic apparatus having an improved calculation function

1986-05-06

1988-10-18

Malzahn, David H.

Boots, shoes, and leggings

G06F 752

Patent

active

047792191

ABSTRACT:
In an electronic apparatus performing various calculations based on input data which are entered by pressing numeral keys and calculation keys and outputting results by moving a decimal point by a predetermined digit, there is provided means for judging, when a calculation result output key is operated, the presence or absence of a flag designating either a division calculation or a multiplication calculation and judging the calculation mode. Only when the calculation condition at the time when the calculation result output key is operated is at a first registration number state and the division flag is set, the calculation result is output by moving the decimal point by a predetermined digit. If the multiplication flag is set, the calculation result is output without moving the decimal point. With such an arrangement, in a so-called add-mode performing calculations and outputting calculated results by automatically moving decimal points, a function of performing a division by an identical number and moving the decimal point and a function of performing a multiplication by an identical number and not moving the decimal point, are realized.

REFERENCES:
patent: 3575590 (1971-04-01), Crowther et al.
patent: 3634666 (1972-01-01), Ragen
patent: 4092523 (1978-05-01), Tava et al.
patent: 4156921 (1979-05-01), Wenninger et al.
patent: 4189780 (1980-02-01), Figini

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