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Columbia Columbia-3M (803M)

The Columbia Columbia-3M is an arithmetic calculator with algebraic logic. It has 6 functions, 21 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is Sealed battery pack.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions6
Keys21
LogicAlgebraic
Display typeLED
Length133mm
Width76mm
Power SourceSealed battery pack
Year introduced1974

Replacements:

If you have a Columbia Columbia-3M 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 Columbia