Calculator for cross summing a plurality of operands

Details Calculator for cross summing a plurality of operands Calculator for cross summing a plurality of operands

1980-05-30

1983-01-04

Malzahn, David H.

Boots, shoes, and leggings

364768, G06F 750, G06F 1520

Patent

active

043675352

ABSTRACT:
A calculator which adds or subtracts input numerical data to or from the content of a first register in response to an actuation of an addition or subtraction key, stores the result of the addition or subtraction in the first register, further adds or subtracts the above-mentioned input numerical data to or from the content of a second register determined by the number of actuations of the addition or subtraction key, and stores the result of the latter addition or subtraction into the second register.

REFERENCES:
patent: 3564226 (1971-02-01), Seligman
patent: 3593313 (1971-07-01), Tomaszewski et al.
patent: 3812470 (1974-05-01), Murtha et al.
patent: 3973113 (1976-08-01), Goldsamt
patent: 4128880 (1978-12-01), Cray, Jr.

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