William oughtred
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
Pythagoras was the 1st person who used the pi symbol first
"why" is not a mathematical symbol.
It should have a three horizontal parallel lines but often the ordinary equality symbol "=" is used.
William first used the symbol for parallel.
Symbol for parallel lines is .
William oughtred
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
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
Two lines that are not parallel are perpendicular. The symbol is +.
Pythagoras was the 1st person who used the pi symbol first
William Jones first used the pi symbol (π) in 1706
"why" is not a mathematical symbol.
The first time the symbol Pi was first used for Pi was in ancient Greece in their numbers. The symbol "π" was number 80 in Greece.
parallel
It should have a three horizontal parallel lines but often the ordinary equality symbol "=" is used.