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Sharp CT-555

The Sharp CT-555 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 26 keys, and an LCD (liquid crystal) display. The power source is 4xLR43.

Facts at a glance:

FeatureValue
TypeArithmetic
Keys26
Precision8
LogicAlgebraic
Display typeLCD
Length77mm
Width58mm
Thickness15mm
Weight75g
Power Source4xLR43
Year introduced1978
Year discontinued1978

Replacements:

If you have a Sharp CT-555 that is no longer working, you can first try replacing the 4xLR43 batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements:

See other calculators by Sharp