Later mathematicians discovered an even better and nearly as concise approximation for pi: 355/113. “It’s hard to write down what pi is,” said Ben Green of Oxford. “What people have tried to do is to ...

The nerdiest day of the year is officially here again: March 14, or Pi day. Yes, the day when all jokes end in 3.1415. To celebrate Pi day—the ratio of a circle’s circumference to its diameter—in a ...

The number pi (π) appears in the most unlikely places. It can be found in circles, of course—as well as in pendulums, springs and river bends. This everyday number is linked to transcendental ...

Anyone who's had to learn math or physics in school may have encountered pi at one point. More popularly known and written out in its Greek lowercase letter counterpart, π, it's essentially the ratio ...