William Jones, a Welsh mathematician, first used the pi symbol in 1706.
gomtft
Maurits Escher was a remarkable Swiss mathematician and teacher that was responsible for instituting the use of the symbol pi in mathematical notation.
Euler
Lindemann
English mathematician William Jones developed the symbol for Pi in 1706.William Jones
Pi was invented by William Jones in 1706 who was a Welsh mathematician.
Leonhard Euler used the symbol pi in 1737.
It was the mathematician William Jones who first used pi as a mathematical symbol in 1706
William Jones, a Welsh mathematician, first used the pi symbol in 1706.
gomtft
William Jones ,a welsh mathematician....
Mathematician Rudolph Swetchefriz{Added} The symbol is not "for" pi but is pi - one of the letters of the Greek alphabet.
Maurits Escher was a remarkable Swiss mathematician and teacher that was responsible for instituting the use of the symbol pi in mathematical notation.
The mathematician William Jones first used the Greek letter pi in 1706. In 1707, the great mathematician Euler popularized it.
Euler
Pi was first assigned as a symbol by mathematician William Jones in 1706.