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Concept 24

Concept 24
Image: Datamath.org used with permission

The Concept 24 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 8 functions, 26 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions8
Keys26
Precision8
LogicAlgebraic
Display typeVFD
Length146mm
Width76mm
Power Source2xAA
Year introduced1975

Replacements:

If you have a Concept 24 that is no longer working, you can first try replacing the 2xAA 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 Concept