We all know pi, at least the first three digits of it. If for some reason you forgot them though, there’s good news. All you need to get that knowledge back is some aluminum foil, ingenuity, and ...

Pi can be calculated using a random sample of darts thrown at a square and circle target.

To celebrate Pi day—the ratio of a circle’s circumference to its diameter—in a computational way, here’s how you can see just how fast your laptop is at computing Pi.

This Pi Day, try calculating everyone’s favourite mathematical constant using balls and a cardboard tube, thanks to a mathematical trick involving the balls’ masses ...