Add Yahoo as a preferred source to see more of our stories on Google. One of the most important numbers in math might today be named after the Greek letter π or “pi”, but the convention of ...

Today marks National Pi Day in the United States and around the world. The holiday commemorates a timeless symbol beloved by many in mathematical and scientific communities, while making the most of ...

TAMPA, Fla. -- It’s Pi Day, so we went to Mike's Pies in Tampa to celebrate. While it's fun to eat pie on Pi Day, today is really all about numbers. Pi is the ratio of the circumference of a circle to ...

One of the most important numbers in math might today be named after the Greek letter π or “pi”, but the convention of representing it this way actually doesn’t come from Greece at all. It comes from ...