Robert Recorde
Recorde introduced the equal sign in 1557
robert record
He invented the equal sign and introduced algebra to England.
an equal sign =
Welshman Robert Recorde is credited with inventing the equal sign in 1557.
An equal sign because in order for the formula to go through correctly it has to have an (=)
Christoff Rudolff was a German mathematician who introduced the radical sign in 1525
With the equal sign (=).
Equal sign
Robert Recorde, who designed the equals sign, introduced plus and minus in 1557. Brahmagupta was an Indian mathematician who invented the multiplication sign around the 19th century. Johann Rahn first used the division sign in his book Teutshe algebra in 1659.
The first recorded published appearance was in 1557.
Equal sign