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Hewlett-Packard HP 80 Classic -

The Hewlett-Packard HP 80 Classic - is a scientific calculator with 12 digits precision and RPN (reverse polish notation) logic. It has 37 functions, 35 keys and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3xAA batteries.

Facts at a glance:

Type Scientific
Functions 37
Keys 35
Precision 12
Logic RPN
Display type LED
Display size
Length 147 mm
Width 81 mm
Thickness 33 mm
Weight 255 g
Power Source 3xAA
Original price unknown
Est. current value unknown
Year introduced 1973
Year discontinued 1978

See other calculators manufactured by Hewlett-Packard.