calculator.org the calculator home page

Casio HR-7

The Casio HR-7 is an arithmetic calculator with 10 digits precision and algebraic logic. It has 6 functions, 28 keys and an LCD (liquid crystal) display. The power source is 4xAA batteries. The calculator was manufactured in Japan.

Facts at a glance:

Type Arithmetic
Functions 6
Keys 28
Precision 10
Logic Algebraic
Display type LCD
Display size
Printer Y
Length 181 mm
Width 85 mm
Thickness 34 mm
Weight unknown g
Power Source 4xAA
Country Japan
Original price unknown
Est. current value unknown
Year introduced 1984
Year discontinued 1985

See other calculators manufactured by Casio.