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5 statements · 0% with external sources · numbers in brackets are citations
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1 identifiers linking Sinclair Executive across the web's reference databases
5 statements · 0% with external sources · numbers in brackets are citations
1 identifiers linking Sinclair Executive across the web's reference databases
From Wikipedia, the free encyclopedia · Read full article · Text CC BY-SA 4.0
The Sinclair Executive was the world's first "slimline" pocket calculator, and the first to be produced by Clive Sinclair's company Sinclair Radionics. Introduced in 1972, the calculator was produced in at least two versions with different keyboard markings; a variant called the Sinclair Executive Memory was introduced in 1973.