Programmable calculator including editing capability

Details Programmable calculator including editing capability Programmable calculator including editing capability

1981-01-22

1984-10-30

Heckler, Thomas M.

Boots, shoes, and leggings

G06F 1502

Patent

active

044803052

ABSTRACT:
A programmable calculator having modular read-write and read-only memory units, a central processing unit, a keyboard input unit, and an output display unit includes keys on the keyboard input unit for enabling the user to efficiently and effectively edit programs stored in the read-write memory unit.

REFERENCES:
patent: 3533076 (1970-10-01), Perkins et al.
patent: 3533078 (1970-10-01), Perkins et al.
patent: 3602894 (1971-08-01), Igei et al.
patent: 3623012 (1971-11-01), Lowry et al.
patent: 3760171 (1973-09-01), Wang et al.

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