Mental Floss: Robert Recorde, Inventor of the Equals Sign
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Robert Recorde was a Welsh physician and mathematician. He invented the equals sign (=) and also introduced the pre-existing plus (+) and minus (−) signs to English speakers in 1557.
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science · Welsh mathematician and inventor of the equals sign · mathematician · physician · philosopher · also Robert Recorde, Recorde
Born 1512 · Died 1 January 1558 · Q318192
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Mental Floss: Robert Recorde, Inventor of the Equals Sign
JSTOR Daily: Robert Recorde: The Life and Times of a Tudor Mathematician
Died 1558-01-01.
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Studied at University of Cambridge (1545).
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Studied at University of Oxford (1525–1531).
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Born 1512.
Text from Wikipedia, available under CC BY-SA 4.0.
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