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Royal SOLAR I (Solar 1)

The Royal SOLAR I is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 24 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is Sealed battery pack. Note: Adler Solar 1980

Facts at a glance:

FeatureValue
TypeArithmetic
Functions7
Keys24
Precision8
LogicAlgebraic
Display typeYLCD
Length132mm
Width81mm
Thickness13mm
Power SourceSealed battery pack
Year introduced1980

Replacements:

If you have a Royal SOLAR I 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 Royal