Robert Recorde
| Robert Recorde | |
|---|---|
| Robert Recorde (c.1512–1558) | |
| Born | c. 1510 Tenby, Pembrokeshire, Wales | 
| Died | June 1558 London, England | 
| Nationality | Welsh | 
| Alma mater | University of Oxford University of Cambridge | 
| Known for | Inventing the equals sign (=) | 
| Scientific career | |
| Fields | Physician and mathematician | 
| Institutions | University of Oxford Royal Mint | 
Robert Recorde (c. 1510 – 1558) 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.