Calculator apparatus having a single-step key for displaying and

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364710, G06F 314

Patent

active

041775201

ABSTRACT:
A programmable electronic calculator is provided having an LED display device and a single-step key for causing display and execution of individual steps of a program stored in the calculator, and for causing display of the results of said execution by means of a single actuation of the single-step key. As the key is depressed, the next program step that is to be executed is displayed, together with the number of that step in the program. When the key is released, the program step is executed and the result is displayed.

REFERENCES:
patent: 3541526 (1970-11-01), Levy et al.
patent: 3594734 (1971-07-01), Wang et al.
patent: 3594734 (1971-07-01), Wang
patent: 3737863 (1973-06-01), Rowland et al.
patent: 3750109 (1973-07-01), Smith
patent: 3760171 (1973-09-01), Wang et al.
patent: 3768078 (1973-10-01), Williams
patent: 3769621 (1973-10-01), Osborne
patent: 3798614 (1974-03-01), Meadows et al.
patent: 3815097 (1974-06-01), Gardner et al.
patent: 3855461 (1974-12-01), Stockwell
patent: 3859635 (1975-01-01), Watson et al.
patent: 3876987 (1975-04-01), Dalton et al.
Reference Manual: IBM 7080 Data Processing System, IBM Corporation, Dec. 1961, pp. 82-90.

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