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Hewlett-Packard HP 31E Spice/Spike GINGER

The Hewlett-Packard HP 31E Spice/Spike GINGER is a scientific calculator with 10 digits precision and algebraic logic. It has an unknown number of functions, 30 keys and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 2xAA batteries.

Facts at a glance:

Type Scientific
Functions unknown
Keys 30
Precision 10
Logic Algebraic
Display type LED
Display size
Printer
Length 130 mm
Width 70 mm
Thickness 30 mm
Weight 210 g
Power Source 2xAA
Country
Original price unknown
Est. current value unknown
Year introduced 1978
Year discontinued 1980

See other calculators manufactured by Hewlett-Packard.