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Hewlett-Packard HP 22 Woodstock TURNIP

The Hewlett-Packard HP 22 Woodstock TURNIP is a scientific calculator with 12 digits precision and algebraic logic. It has 39 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 39
Keys 30
Precision 12
Logic Algebraic
Display type LED
Display size
Length 129 mm
Width 67 mm
Thickness 29 mm
Weight 170 g
Power Source 2xAA
Original price unknown
Est. current value unknown
Year introduced 1975
Year discontinued 1978

See other calculators manufactured by Hewlett-Packard.