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Advance Electronics RUBY 800

The Advance Electronics RUBY 800 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 20 keys, and a VFD (vacuum fluorescent) display. The calculator was manufactured in UK.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions6
Keys20
Precision8
LogicAlgebraic
Display typeVFD
CountryUK
Year introduced1975
Year discontinued1975

Replacements:

If you have an Advance Electronics RUBY 800 that is no longer working, you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements:

See other calculators by Advance Electronics