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Keystone 2050

The Keystone 2050 is a scientific calculator with 8 digits precision and algebraic logic. It has 18 functions, 30 keys, and a gas discharge display. The power source is Sealed battery pack.

Facts at a glance:

FeatureValue
TypeScientific
Functions18
Keys30
Precision8
LogicAlgebraic
Display typeDischarge
Length171mm
Width85mm
Thickness35mm
Power SourceSealed battery pack
Year introduced1974
Year discontinued1975

Replacements:

If you have a Keystone 2050 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 Keystone