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Robert Recorde invented the equals sign (=) because he got HECKIN' TIRED of having to write "is equal to" over and over again when he was creating mathematical texts for non-Latin reading folk in the 16th century England.
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Robert Recorde invented the equals sign (=) because he got HECKIN' TIRED of having to write "is equal to" over and over again when he was creating mathematical texts for non-Latin reading folk in the 16th century England.