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Olympia CD 90 SIGMA

The Olympia CD 90 SIGMA is a scientific calculator with 8 digits precision and algebraic logic. It has 23 functions, 29 keys and a VFD (vacuum fluorescent) display. The power source is 3xAA batteries. The calculator was manufactured in Japan.

Facts at a glance:

Type Scientific
Functions 23
Keys 29
Precision 8
Logic Algebraic
Display type VFD
Display size
Length 149 mm
Width 88 mm
Thickness 32 mm
Weight unknown g
Power Source 3xAA
Country Japan
Original price unknown
Est. current value unknown
Year introduced 1976
Year discontinued 1976

See other calculators manufactured by Olympia.