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Sharp EL-509S

The Sharp EL-509S is a scientific calculator with 10 digits precision and algebraic logic. It has 48 functions, 38 keys, and an LCD (liquid crystal) display. The power source is 2x1.5V cell.

Facts at a glance:

FeatureValue
TypeScientific
Functions48
Keys38
Precision10
LogicAlgebraic
Display typeLCD
Length156mm
Width80mm
Thickness18mm
Power Source2x1.5V cell
Year introduced1988
Year discontinued1988

Replacements:

If you have a Sharp EL-509S that is no longer working, you can first try replacing the 2x1.5V cell batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current model as a replacement:

See other calculators by Sharp