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.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 8
Keys: 26
Precision: 12
Logic: Algebraic
Display type: VFD
Length: 170mm
Width: 120mm
Thickness: 32mm
Weight: 294g
Power Consumption: 0.350W
Power Source: 4xAA
Year introduced: 1975
YearDiscontinued: 1975

See other calculators by Casio