Calculator for determining cubic roots

Details Calculator for determining cubic roots Calculator for determining cubic roots

1975-12-15

1978-02-21

Malzahn, David H.

Boots, shoes, and leggings

G06F 748

Patent

active

040757056

ABSTRACT:
A compact electronic calculator having the function of extracting cubic roots comprises a first register for storing therein a number, a circuit for dividing the number in the first register at every three digits and effecting subtraction therefrom, and a second register for storing therein the data provided by the dividing circuit.

REFERENCES:
patent: 2751149 (1959-06-01), Young et al.
patent: 3526760 (1970-08-01), Ragen
patent: 3900722 (1975-08-01), Cochran et al.
patent: 3906210 (1975-07-01), Mignot
Announcing the SR--50 Super Slide--Rule Calculator Texas Instruments, Sept. 3, 1974.
SR--52 Handheld Programming Power, Scientific American, Oct. 1975, cover & p. 1.

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