Robert Recorde photograph

Robert Recorde

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Gender Male
Born Tenby
United Kingdom
DiedLondon
United Kingdom
NationalityWelsh
ParentsThomas Recorde
Rose Recorde
Job Physician
Mathematician
Philosopher
Education University of Oxford
University of Cambridge
Known for equals sign
Date of Reg.
Date of Upd.
ID613042

The castle of knowledge
The Grounde of Artes: A Facsimile of the First Edition Imprinted at London by Reynold Wolfe, 1543
The Pathway to Knowledge: A Facsimile of the First Edition Imprinted at London by Reynold Wolfe 1551
The Urinal of Physick
The Ground of Arts
The pathway to knowledg
The Whetstone of Witte: A Facsimile of the Sole Edition Imprinted at London by John Kingston, 1557
The Whetstone of Witte, Whiche is the Seconde Parte of Arithmetike
The Path-way to Knowledge, Containing the First Principles of Geometrie
The Earliest Arithmetics in English
The Grounde of Artes, Teachying the Worke and Practise of Arithmetike
The Whetstone of Witte
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Robert Recorde Life story


Robert Recorde was a Welsh physician and mathematician. He invented the equals sign and also introduced the pre-existing plus sign to English speakers in 1557.

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