calculator.org

the calculator home page

Royal Royal (Royal Litton)

The Royal Royal is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 18 keys, and a VFD (vacuum fluorescent) display. The power source is 6xAA sealed.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
Keys18
Precision8
LogicAlgebraic
Display typeVFD
Length150mm
Width90mm
Thickness35mm
Weight334g
Power Consumption1.800000W
Power Source6xAA sealed
Year introduced1972
Year discontinued1973

Replacements:

If you have a Royal Royal that is no longer working, you can first try replacing the 6xAA sealed 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