Its the number for how many diamaters fit in the circumference in the circle. And other then that its totally boring :P
It's a ratio useful for measuring circular ob<x>jects. It is fun because it's irrational, which means it never ends or repeats.
It's best eaten after dinner.
A transcendental number that is often used in determining the area of a perfect circle. Approximately 3.14, but irrational.