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It was invented in 1557 by Welshman Robert Recorde.The equals sign (=) is usually attributed to Robert Recorde, who introduced it in a treatise on arithmetic called The Whetstone of Witte (1557).
Welshman Robert Recorde is credited with inventing the equal sign in 1557.
robert recorde
The first recorded published appearance was in 1557.
It wasn't an English man but it was a Welsh mathematician by the name of Robert Recorde who in 1557 invented the equality symbol and it has 2 equal parallel lines