Pi Day is celebrated globally every year on March 14 to recognise the famous mathematical constant. This is because the date looks like 3/14 if one writes it in the month/day format. Pi's approximate value is 3.14.
Mathematically, Pi is the ratio of the circumference to the diameter of a circle. It plays an important constant in finding out the area of a circle.
The symbol was first used in 1706 by William Jones.
According to piday.org, Pi has been calculated to be over one trillion digits beyond its decimal point.
"As an irrational and transcendental number, it will continue infinitely without repetition or