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Unisonic 940-B

Unisonic 940-B
Image: Joe Haupt, CC BY-SA 2.0

The Unisonic 940-B is an arithmetic calculator with algebraic logic. It has 5 functions, and a VFD (vacuum fluorescent) display. The power source is 3xAAA.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
LogicAlgebraic
Display typeVFD
Length95mm
Width64mm
Power Source3xAAA
Year introduced1975

Replacements:

If you have a Unisonic 940-B that is no longer working, you can first try replacing the 3xAAA 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 Unisonic