Mathematician Carlos Castillo-Chavez says that pi is so important to math that using its simple, geometric definition denies its greater powers. "[Pi] brings you into the world of mathematics, which ...

WASHINGTON (7News) — It's Friday, March 14 —3/14, the day that every math nerd eagerly anticipates each year. Known around the world as "Pi Day," it’s a time to celebrate one of mathematics' most ...

Math enthusiasts celebrate March 14 as Pi Day. The observance originated in the late 1980s in California, where physicists first served circular fruit pies to the public on the 14th day of the third ...