Today is March 14th, or Pi Day because 3.14 is March 14th rendered in month.day date format. A very slightly better way to celebrate the ratio of a circle’s circumference to its diameter is July 22nd, ...

The celebrated approximation to 3.14 is much more than the ratio of a circle’s circumference to its diameter, but also crops up in statistics to the laws of gravity, fluid dynamics to number theory ...

The number represented by pi (π) is used in calculations whenever something round (or nearly so) is involved, such as for circles, spheres, cylinders, cones and ellipses. Its value is necessary to ...

Fans celebrate Pi Day (3.14) with π pie. Photo by Flickr user pauladamsmith March 14, when written as 3.14, is the first three numbers of pi (π). To commemorate the (completely artificial) confluence ...