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Casio HR-1

The Casio HR-1 is an arithmetic calculator with 10 digits precision and algebraic logic. It has 7 functions, 29 keys, and an LCD (liquid crystal) display. The power source is 4xAA. The calculator was manufactured in Japan.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions7
Keys29
Precision10
LogicAlgebraic
Display typeLCD
PrinterYes
Length160mm
Width82mm
Thickness32mm
Power Consumption1.500000W
Power Source4xAA
CountryJapan
Year introduced1983
Year discontinued1983

Replacements:

If you have a Casio HR-1 that is no longer working, you can first try replacing the 4xAA 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