Mathematicians celebrate PI day on March 14 to honour of the number 3.14.  PI day was founded by Physicist Larry Shaw at the San Fransisco Exploratorium on March 14, 1989. Greek mathematician Archimedes of Syracuse (287 to 212 B.C.) was the first to calculate the value of PI, however, its use became wide-spread only after it was adopted by Swiss mathematician Leonhard Euler in 1737. Concept to […]