Exponential operation device

Details Exponential operation device Exponential operation device

1981-03-30

1983-10-18

Malzahn, David H.

Boots, shoes, and leggings

364753, G06F 7552

Patent

active

044109563

ABSTRACT:
An exponential operation device comprises an exponential operation circuit for carrying out the exponential operation of a term x.sup.y formed of data x and data y; and an operation circuit for judging whether the data x supplied by key depression denotes a positive or negative value, and also whether or not the data y supplied similarly by key depression is an integer. Where the operation circuit judges that the data x denotes a negative value and the data y is an integer, then the exponential operation circuit carries out the exponential operation of the term x.sup.y, thereby providing an answer even when the data x denotes a negative value.

REFERENCES:
patent: 4158889 (1979-06-01), Monden
patent: 4225933 (1980-09-01), Monden
patent: 4298951 (1981-11-01), Hall

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