Math fanatics from all around the world and everyone else who just loves ancient Greek pi (or pie) celebrate on March 14.

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 ...

It's Pi Day, and the world is celebrating more than just the Greek mathematical symbol (π). Retailers and restaurants everywhere have deals today. The folks at Offers.com have provided a list of more ...