Pi, a mathematical constant denoted by the Greek letter π, is the ratio of a circle's circumference C to its diameter d: π = C/d. The circumference of a circle is, in turn, equal to 2πr, where r is ...

You’re likely familiar with Pi Day, perhaps the most popular of geeky holidays. Hooray. But I’m here to tell you that Pi Day is wrong — or rather, the entire idea of pi as a mathematical concept is ...

Ittay Weiss does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

EASTON, Pa. - On any given Friday, right around lunchtime, you'll most likely find Alyssa Higgins at the Pie and Tart bakery in Easton. “I come every Friday to lunchbox day, which is a $10 lunch deal ...

As a physics reporter and lover of mathematics, I won’t be celebrating Pi Day this year. That’s because pi is wrong. I don’t mean that the value is incorrect. Pi, known by the symbol π, is the number ...

All circles, from onion rings to Saturn’s rings, share a magnificent property: their circumferences stretch about three times longer than their diameters. To be more precise (though still not exact), ...

Today is Pi Day, an annual celebration of the famous mathematical concept that has fascinated people for millenia. But what exactly is π (pronounced like the word "pie"), and where did the concept ...