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Summit SM-20

The Summit SM-20 is an arithmetic calculator with algebraic logic. It has 5 functions, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is Sealed battery pack. Note: American M-26

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
LogicAlgebraic
Display typeLED
Length114mm
Width64mm
Thickness32mm
Power SourceSealed battery pack
Year introduced1975

Replacements:

If you have a Summit SM-20 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 Summit