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Colex 811

Colex 811
Image: wass.net 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:

FeatureValue
TypeArithmetic
Functions5
Keys20
Precision8
LogicAlgebraic
Display typeVFD
Length150mm
Width90mm
Year introduced1975

Replacements:

If you have a Colex 811 that is no longer working, you can consider replacing the calculator with a modern equivalent.

We suggest the following current models as possible replacements:

See other calculators by Colex