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Sharp CT-550

Sharp CT-550
Image: Joe Haupt, CC BY-SA 2.0

The Sharp CT-550 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 26 keys, and an LCD (liquid crystal) display. The power source is 4xLR43. The calculator was manufactured in Japan. Note: time

Facts at a glance:

FeatureValue
TypeArithmetic
Functions6
Keys26
Precision8
LogicAlgebraic
Display typeLCD
Length77mm
Width58mm
Thickness15mm
Power Consumption0.000077W
Power Source4xLR43
CountryJapan
Year introduced1978
Year discontinued1978

Replacements:

If you have a Sharp CT-550 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