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Triumph sir SR EC 20-S

The Triumph sir SR EC 20-S is a scientific calculator with 8 digits precision and algebraic logic. It has 16 functions, 19 keys and a VFD (vacuum fluorescent) display. The power source is 3xAAA batteries.

Facts at a glance:

Type Scientific
Functions 16
Keys 19
Precision 8
Logic Algebraic
Display type VFD
Display size
Length unknown mm
Width unknown mm
Thickness unknown mm
Weight unknown g
Power Source 3xAAA
Original price unknown
Est. current value unknown
Year introduced 1975
Year discontinued

See other calculators manufactured by Triumph.