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Compex SR-55

The Compex SR-55 is a scientific calculator with 9 digits precision and algebraic logic. It has 22 functions, 36 keys and a VFD (vacuum fluorescent) display. The power source is 3xAA batteries.

Facts at a glance:

Type Scientific
Functions 22
Keys 36
Precision 9
Logic Algebraic
Display type VFD
Display size
Printer
Length unknown mm
Width unknown mm
Thickness unknown mm
Weight unknown g
Power Source 3xAA
Country
Original price unknown
Est. current value unknown
Year introduced 1976
Year discontinued 1976

See other calculators manufactured by Compex.