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Casio HL-801

The Casio HL-801 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 23 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is AA batteries. The calculator was manufactured in Japan.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions6
Keys23
Precision8
LogicAlgebraic
Display typeYLCD
Length137mm
Width75mm
Thickness20mm
Power Consumption0.000260W
Power SourceAA
CountryJapan
Year introduced1979
Year discontinued1979

Replacements:

If you have a Casio HL-801 that is no longer working, you can first try replacing the AA battery. 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 Casio