Citizen 810R

The Citizen 810R is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 20 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA sealed.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 5
Keys: 20
Precision: 8
Logic: Algebraic
Display type: VFD
Length: 151mm
Width: 87mm
Thickness: 34mm
Weight: 278g
Power Source: 4xAA sealed
Year introduced: 1973
YearDiscontinued: 1974

See other calculators by Citizen