March 14 is Pi Day!

Why March 14?
Well, March 14 can be written as 3/14 and 3,14 . . . is the value of Pi.
See Wikipedia for Pi Minute, etc.

Find out more about Pi on these pages by following the hyperlinks:

 The Pi Pages
 Pi, from Wikipedia
 A passion for Pi
 Ask Dr Math about Pi
 One million digits of Pi
 More about Pi day ...

 Ideas for Teachers for Celebrating Pi Day