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:

Feature Value
Type: Arithmetic
Functions: 8
Keys: 26
Precision: 8
Logic: Algebraic
Display type: VFD
Length: 146mm
Width: 76mm
Power Source: 2xAA
Year introduced: 1975

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