Citizen 831RD

The Citizen 831RD is an arithmetic calculator with 8 digits precision and algebraic logic. It has 10 functions, 28 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA. Note: External battery pack

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 10
Keys: 28
Precision: 8
Logic: Algebraic
Display type: VFD
Length: 165mm
Width: 86mm
Thickness: 22mm
Weight: 204g
Power Source: 2xAA
Year introduced: 1977
YearDiscontinued: 1978

See other calculators by Citizen