calculator.org

the calculator home page

Royal Special

The Royal Special is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 20 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions6
Keys20
Precision8
LogicAlgebraic
Display typeVFD
Length120mm
Width74mm
Thickness24mm
Power Source2xAA
Year introduced1975
Year discontinued1976

Replacements:

If you have a Royal Special 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 Royal