Pi was known before 1706 but William Jones used the Greek letter for pi in 1706. Euler popularized the use.
in 1706
Pi as a mathematical symbol was introduced by William Jones in 1706
1706
1706
Pi was created by Ancient Egyptians in 1706. Hope that helps! (:
William Jones
1706
William Jones in 1706
William Jones, in 1706
Pi was first assigned as a symbol by mathematician William Jones in 1706.
It was William Jones in 1706 and pi is the 16th letter of the Greek alphabet
William Jones first used the pi symbol (π) in 1706