Hello and welcome to the one and only Pi(e) Day song playlist you’ll ever need! Videos by American Songwriter For those that don’t know, it’s March 14—that is, 3.14. And if you didn’t major in math, ...

Today is March 14, or 3.14, the day we celebrate the mathematical constant pi (π). Pi, the ratio of a circle's circumference to its diameter, is an irrational number, meaning that it can't be ...

It's Pi Day, the day regular people gawk at the brilliance and beauty of a mathematical constant. We focus on why pi still captures our imagination thousands of years after it was first calculated.