It's 3/14! Happy Pi Day!

Do you love pi? No, not the baked good or the pizza slice, but the mathematical constant.

Wednesday, March 14 is Pi Day, the celebration of pi, which equals 3.14.

The Greek letter pi is the symbol for the ratio of the circumference of a circle to its diameter. If that doesn't make sense, check out our animated illustration above!

Things Unknown About Pi

Here are a few facts about pi, according to Buzzle.com:

• In 1897, a legislature of Indiana tried to legally establish the most accurate value of pi. However, the bill was never passed.
• The value of pi with first 100 decimal places is: 3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679
• Not a zero value (0) can be found in the first 31 digits of pi.
• Besides everyday geometry calculations, the value of pi is also used in numerous scientific equations including genetic engineering, measuring ripples, super strings, normal distribution and so on.
• Pi is not only an irrational number but also a transcendental number.
• If you were to print a billion decimal values of pi in ordinary font it would stretch from New York City to Kansas.

Are you celebrating pi? Upload a quick picture from your camera or cell phone and show us how.