Today marks National Pi Day in the United States and around the world. The holiday commemorates a timeless symbol beloved by many in mathematical and scientific communities, while making the most of ...

It isn't The Pioneer Woman without "pi!" In the baking sense, Ree Drummond is no stranger to the pastry, whether she's whipping up apple pie, pot pie, or Ladd's favorite chocolate pie. One of the best ...

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 ...

Pi is denoted by the Greek letter π. It is a mathematical constant and is approximately equal to 3.14159. It is defined as the ratio of a circle's circumference to its diameter. It was first ...

For mathematicians, Saturday is a once-in-a-century celebration of mystery. Pi -- the number denoted in shorthand as 3.1415 -- is an irrational number with an infinite number of digits. Mathematicians ...

The Internet definitely does not <3 Paul Ingrisano right now. The Brooklyn street artist and craft entrepreneur has enraged aspiring designers and math nuts alike with a seemingly overbearing ...

A man is reflected in a mirror with an inscription reading 'The value of Pi' and its numbers in Vienna, June 26, 2012. ALEXANDER KLEIN/AFP/GettyImages Pi Day is celebrated annually to pay tribute to ...