the calculator home page

Royal 4HPD

The Royal 4HPD is an arithmetic calculator with 10 digits precision and algebraic logic. It has 10 functions, 30 keys and an LCD (liquid crystal) display. The power source is 4xAA batteries.

Facts at a glance:

Type Arithmetic
Functions 10
Keys 30
Precision 10
Logic Algebraic
Display type LCD
Display size
Printer Y
Length 140 mm
Width 73 mm
Thickness 30 mm
Weight unknown g
Power Source 4xAA
Original price unknown
Est. current value unknown
Year introduced 1981
Year discontinued 1982

See other calculators manufactured by Royal.