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Commodore SR990D

The Commodore SR990D is a scientific calculator with algebraic logic. It has an LED (light-emitting diode) display, typical of calculators of this era.

Facts at a glance:

FeatureValue
TypeScientific
LogicAlgebraic
Display typeLED
Year introduced1975

Replacements:

If you have a Commodore SR990D 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 Commodore