Calculation apparatus and storage medium in which...

Details Calculation apparatus and storage medium in which... Calculation apparatus and storage medium in which...

2011-05-10

2011-05-10

Ngo, Chuong D (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

C708S164000

Reexamination Certificate

active

07941473

ABSTRACT:
In a graphing calculator, a decimal calculation unit obtains a calculation result of an arithmetic expression input by an input device to an n-th digit and an (n+m)-th digit. When the values from the most significant digit to an (n+1)-th digit in the (n+m)-digit calculation result are zero, with respect to an addition or subtraction, the CPU corrects an n-digit calculation result of the addition or subtraction to zero.

REFERENCES:
patent: 4190892 (1980-02-01), Ebihara et al.
patent: 4224677 (1980-09-01), Kindell et al.
patent: 2000-322238 (2000-11-01), None

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