If you haven’t celebrated Pi Day yet, what are you waiting for? This unofficial holiday rolls around every March 14 — that’s 3/14, matching the rounded number of pi. In case you need a refresher, pi ...

Did you know there are holidays for almost everything? While the U.S. may have 11 official federal holidays, there are actually thousands of quirky, themed days that make the calendar a whole lot more ...

Every year on March 14, math lovers and pie enthusiasts come together to celebrate Pi Day. The date (3/14) matches the famous mathematical constant Pi (3.14), which represents the ratio of a circle’s ...