Colex 811

Colex 811
Image: used with permission
The Colex 811 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 20 keys, and a VFD (vacuum fluorescent) display.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 5
Keys: 20
Precision: 8
Logic: Algebraic
Display type: VFD
Length: 150mm
Width: 90mm
Year introduced: 1975

See other calculators by Colex