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Bohn omnitrex M

The Bohn omnitrex M 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 5xAA.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
Keys20
Precision8
LogicAlgebraic
Display typeVFD
Length165mm
Width102mm
Power Source5xAA
Year introduced1974

Replacements:

If you have a Bohn omnitrex M that is no longer working, you can first try replacing the 5xAA batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent.

We suggest the following current models as possible replacements:

See other calculators by Bohn