Divide the circumference of a baseball by its diameter and you get 3.14. Divide the circumference of Earth by its diameter and you get 3.14. Divide the circumference of a pizza, coin or, well, pie and ...

The vice president of the Ontario Association for Mathematics Education says pi is one of the most beautiful numbers in mathematics because of the many places it turns up in life that are not ...

Every March 14th, mathematicians like me are prodded out of our burrows like Punxsutawney Phil on Groundhog Day, blinking and bewildered by all the fuss. Yes, it’s Pi Day again. And not just any Pi ...

Around the world, March 14 th (3/14) is recognized as the day to celebrate Pi, which, of course, is the ratio of a circle’s circumference to its diameter. The “earliest known” celebration of Pi Day ...

Here's a funny story. A reporter at National Geographic wanted to find someone to interview about pi—that number you learned in grade school that is the ratio between a circle's circumference and its ...

A Pi Day like this won't come around for another century. — -- Circle around, math fans. There's a once-in-a-century Pi Day coming this weekend. The day that celebrates the mathematical constant ...

Hands-on projects are great learning tools for kids, especially when they involve the word ‘secret’. I can’t think of a better way to celebrate Pi Day (March 14 or “3.14”) with kids than to help them ...

Pi represents the ratio of the circumference of a circle to its diameter. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Pi is a number that ...