Pi Day is here again. You know, March 14 … get it, 3/14? For those of us who aren’t math teachers, Pi is named after the mathematical constant that is the ratio of a Euclidean circle’s circumference to its diameter. Although usually truncated to 3.14, Pi (22/7) is not a finite number. It has been calculated to a million-plus digits, but it has no end. It’s literally irrational! Pi Rap Here are some ways to mark this special day: Listening to the Pi rap above (obviously there was one on YouTube). Geeking out hard to these amazing Pi-themed accessories . Eating pie. Not only a homonym for Pi, but a circle too! It also happens to be Albert Einstein’s birthday! Woo!

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Pi Day: Celebrating a Literally Irrational Number!






















