Electronic calculator having item count display

Details Electronic calculator having item count display Electronic calculator having item count display

1980-02-21

1982-08-24

Malzahn, David H.

Boots, shoes, and leggings

364900, G06F 314

Patent

active

043464505

ABSTRACT:
The present invention provides an electronic apparatus for providing plural information, capable of displaying, while the addition or subtraction key is depressed, the item count indicating the number of actuations of the addition or subtraction key, and displaying the result of calculation obtained up to such key actuation when the key is released from the depressed state.

REFERENCES:
patent: 4138734 (1979-02-01), Nakata et al.
patent: 4156281 (1979-05-01), Hirano et al.
patent: 4177520 (1979-12-01), Meff
patent: 4217656 (1980-08-01), Hirano et al.

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