3.141592653589793238462643383279502884...

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!