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Casio 121-MR

The Casio 121-MR is an arithmetic calculator with 12 digits precision and algebraic logic. It has 8 functions, 26 keys and a VFD (vacuum fluorescent) display. The power source is 4xAA batteries.

Facts at a glance:

Type Arithmetic
Functions 8
Keys 26
Precision 12
Logic Algebraic
Display type VFD
Display size
Length 170 mm
Width 120 mm
Thickness 32 mm
Weight 294 g
Power Source 4xAA
Original price unknown
Est. current value unknown
Year introduced 1975
Year discontinued 1975

See other calculators manufactured by Casio.