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 ...

The value of the Pi was first calculated by Archimedes. The Pi symbol was introduced by William Jones, a Welsh mathematician, in 1706. In 1737, Leonhard Euler popularised the usage of the symbol.

It's Pi Day! While the celebration is focused on the mathematical symbol, it also acts as the perfect excuse to eat a delicious, savory pizza or sweet, mouthwatering pie. While fun to focus on the ...