Casio 121-A (121A)

The Casio 121-A is an arithmetic calculator with 12 digits precision and algebraic logic. It has 4 functions, 15 keys, and a display using Nixie tubes. The power source is Solar. Note: Desktop model.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 4
Keys: 15
Precision: 12
Logic: Algebraic
Display type: Nixie
Length: 127mm
Width: 330mm
Thickness: 102mm
Power Source: Solar
Year introduced: 1970
YearDiscontinued: 1971

See other calculators by Casio