Imperial 90S

The Imperial 90S is an arithmetic calculator with 8 digits precision and algebraic logic. It has 8 functions, 22 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAAA.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 8
Keys: 22
Precision: 8
Logic: Algebraic
Display type: VFD
Length: 118mm
Width: 74mm
Thickness: 20mm
Power Source: 4xAAA
Year introduced: 1975

See other calculators by Imperial