No one is certain who discovered pi as we know it today. But we do have some ideas. It seems that the Egyptians used pi in ...

Pi Day,” which is March 14, 3.14, is a day meant to recognize the special, infinite number that can also be recognized by its symbol π. Pi is an irrational number, which means it goes on ...

What you’ll get is a pretty good estimate of the irrational number pi (3.14159...). To celebrate Pi Day this year, here are three ways to estimate pi using random chance that you can try out at ...

Learn these interesting facts about pi before Pi Day on March 14 Facts about pi you don’t want to miss How much do you really know about pi? Sure, you’ve heard about it in math class—potentially ...