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

While the U.S. may have 11 official federal holidays, there are actually thousands of quirky, themed days that make the ...

Years ago, the infinite decimal 3.14 or its Greek symbol pi was mostly known to math and science geeks, but now March 14 is ...

Pi Day, celebrated on March 14 each year, honors the mathematical constant π with plenty of deals on sweet and savory pies, ...

Several national retailers are offering Pi Day discounts and special deals on March 14 to celebrate the mathematical holiday.

What would you do? William Jones, a mathematician from Anglesey, was the first to use the π symbol for the Pi number. He realized that the number went on forever, so it needed a symbol.

Looking for a delicious pie in Indiana to celebrate Pi Day? Apparently, there's only one place to go for the best.