The famous mathematical ratio, estimated to more than 22 trillion digits (and counting), is the perfect symbol for our species’ long effort to tame infinity. By Steven Strogatz This article, ...

Most of us can recall Pi to four or five digits, thanks to high school math, but now a team of Swiss scientists has broken the world record for calculating the mathematical constant. It took three and ...

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 ...

"I know it will be called blasphemy by some, but I believe that pi is wrong." That's the opening line of a watershed essay written in 2001 by mathematician Bob Palais of the University of Utah. In "Pi ...