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Triumph sir EC 20-S

The Triumph sir EC 20-S is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 19 keys and a VFD (vacuum fluorescent) display. The power source is 3xAAA batteries. The calculator was manufactured in Japan.

Facts at a glance:

Type Arithmetic
Functions 5
Keys 19
Precision 8
Logic Algebraic
Display type VFD
Display size
Printer
Length 92 mm
Width 62 mm
Thickness 22 mm
Weight 63 g
Power Source 3xAAA
Country Japan
Original price unknown
Est. current value unknown
Year introduced 1975
Year discontinued 1975

See other calculators manufactured by Triumph.