Who was Invented sign of 'Equal'?

"=" এই চিহ্নের আবিষ্কারক কে?

Robert Recorde

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He was Mathematician and physician Born around 1512 Died 1558 London, England After being sued for defamation by a political enemy, he was arrested for debt and died in the King's Bench Prison, Southwark, by the middle of June 1558. He invented the equals sign (=) and also introduced the pre-existing plus sign (+) to English speakers in 1557

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