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Compex 5501

The Compex 5501 is a scientific calculator with algebraic logic. It has 35 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter.

Facts at a glance:

FeatureValue
TypeScientific
Keys35
LogicAlgebraic
Display typeYLCD
Year introduced1975

Replacements:

If you have a Compex 5501 that is no longer working, you can consider replacing the calculator with a modern equivalent.

We suggest the following current model as a replacement:

See other calculators by Compex