calculator.org the calculator home page

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 batteries.

Facts at a glance:

Type Arithmetic
Functions 10
Keys 28
Precision 8
Logic Algebraic
Display type VFD
Display size
Printer
Length 165 mm
Width 86 mm
Thickness 22 mm
Weight 204 g
Power Source 2xAA
Country
Original price unknown
Est. current value unknown
Year introduced 1977
Year discontinued 1978

See other calculators manufactured by Citizen.