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Silver-Reed LCD-21

The Silver-Reed LCD-21 is an arithmetic calculator with algebraic logic. It has an LED (light-emitting diode) display, typical of calculators of this era.

Facts at a glance:

FeatureValue
TypeArithmetic
LogicAlgebraic
Display typeLED
Year introduced1975

Replacements:

If you have a Silver-Reed LCD-21 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 Silver-Reed