Friday, March 13, 2009


What is Pi?
Pi represents the relationship between a circle’s diameter (its width) and its circumference (the distance around the circle).

Some Random Pi Facts:
  • Pi Day is celebrated on March 14th (3.14)
  • Pi occurs in hundreds of equations in many sciences including those describing the DNA double helix, a rainbow, ripples spreading from where a raindrop fell into water, superstrings, general relativity, normal distribution, distribution of primes, geometry problems, waves, navigation....
  • Pi is the 16th letter of the Greek alphabet.
  • If a billion decimals of pi were printed in ordinary type, they would stretch from New York City, to the middle of Kansas.
  • The Bible uses 3 as a value of pi. Here is a verse from I Kings 7:23: And he made a molten sea, ten cubits from one brim to the other: it was round all about, and his height was five cubits: and a line of thirty cubits did compass it about.
  • A palindrome: I prefer pi.
A fun rap:

Happy Pi Day!