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Corvus 650

The Corvus 650 is an arithmetic calculator with algebraic logic. It has an LED (light-emitting diode) display typical of calculators of this era. Note: Montgomery Ward P10 RPN

Facts at a glance:

Display typeLED
Year introduced1975


If you have a Corvus 650 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 Corvus