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Triumph 80C EC21

The Triumph 80C EC21 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 19 keys and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4xAAA batteries.

Facts at a glance:

Type Arithmetic
Functions 5
Keys 19
Precision 8
Logic Algebraic
Display type LED
Display size
Printer
Length 120 mm
Width 75 mm
Thickness 20 mm
Weight unknown g
Power Source 4xAAA
Country
Original price unknown
Est. current value unknown
Year introduced 1974
Year discontinued 1976

See other calculators manufactured by Triumph.