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Casio HL-811

The Casio HL-811 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 24 keys, and an LCD (liquid crystal) display. The power source is 2xAA.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions6
Keys24
Precision8
LogicAlgebraic
Display typeLCD
Length128mm
Width70mm
Thickness19mm
Weight47g
Power Consumption0.000400W
Power Source2xAA
Year introduced1986
Year discontinued1986

Replacements:

If you have a Casio HL-811 that is no longer working, you can first try replacing the 2xAA 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 Casio