# Pi Day 2020

March 14th is Pi Day! Today is also the birthday of Albert Einstein (1879-1955). Pi is the irrational number π = 3.1415926535… The first three digits of pi coincide with the U.S. mm-dd-yy date format of 3/14 for Pi Day. Pi is calculated as the circumference of a circle, divided by its diameter. … Continue reading Pi Day 2020