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Royal 99T (UA126)

The Royal 99T is a scientific calculator with algebraic logic. It has a VFD (vacuum fluorescent) display. The power source is 4xAAA.

Facts at a glance:

FeatureValue
TypeScientific
LogicAlgebraic
Display typeVFD
Length114mm
Width70mm
Power Source4xAAA
Year introduced1975

Replacements:

If you have a Royal 99T that is no longer working, you can first try replacing the 4xAAA batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent.

We suggest the following current model as a replacement:

See other calculators by Royal