Scientists have calculated the value of pi to one hundred trillion digits, but you don't have to be a mathematician to ...

This year, though, it comes with some twists that won’t be seen again for a century. Pi Day, celebrated on March 14 (3/14), ...

March 14 — a day you’re more likely than most others to eat — or throw — a pie and get a reduced price on your pizza. It’s ...

As a constant for all circles, pi is an axiom – a fundamental principle – that can be used to help describe a broad range of ...

Pi is a special number — so special, in fact, that most laypeople are probably aware of it, even if only as a relic of bygone classroom lectures or geometry textbooks. Represented in abbreviated ...

While math enthusiasts recognize the date for its significance in geometry, restaurants across the U.S. have embraced ...

It's represented by the Greek letter π. And you thought you'd never use Pi after taking geometry in high school. Need a break? Play the USA TODAY Daily Crossword Puzzle. Pi Day is Friday ...

In thinking about how so many of the recent events Machine Design has covered have focused on artificial intelligence, I ...