History stack

Details History stack History stack

1986-05-29

1989-06-27

Shaw, Gareth D.

Boots, shoes, and leggings

3649200, 36492766, G06F 700, G06F 1502

Patent

active

048435902

ABSTRACT:
A calculating device is presented which displays a stack containing values most recently calculated and utilized, in accordance with the preferred embodiment of the present invention. The calculating device also displays a label for each value. When a new valve is added to the stack, the stack labels are searched to see if there is a value on the stack having the same label. If so the duplicate value and its label are removed from the stack.

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patent: 4075689 (1978-02-01), Berkling
patent: 4521868 (1985-06-01), Caldwell et al.
patent: 4528638 (1985-07-01), Hatta et al.
patent: 4530068 (1985-07-01), Nakanishi et al.
patent: 4636970 (1987-01-01), Morino et al.
patent: 4680725 (1987-07-01), Lapeyre
patent: 4695983 (1981-09-01), Oda et al.
patent: 4698784 (1987-10-01), Abell
patent: 4718029 (1988-01-01), Morino

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