Animation of Pi formulae being used to create a pie for Pi Day! π π π π π π π π π π π π π π π π π π π π π π π π π Pi is a sort of ‘magic’ number that can be used to measure the dimensions of circles and circle-adjacents. Pi is irrational, meaning the digits go on forever and it cannot be written as a fraction. Because of this, the Greek letter π is used to represent the number. First 100 digits of Pi : 3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679
