[Photo by pauladamsmith.]
- Pi Day Sudoku 2009
- Things that equal Pi
- The Story of Pi
- How I Spent Pi Day (by Kate, not me!)
- Pi Day Post on Irrational Numbers
- Pi in the sky
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Denise Gaskins' Let's Play Math 
Here’s an ascii image of pi using the first 333 digits that I created specifically for pi day…
http://jorel314.wordpress.com/2009/03/14/happy-pi-day/
Happy Pi Day!
Nice information! Hope this would help many more as it has to me!
Check out the video of my math classes celebrating Pi Day on my blog http://pnaugle.blogspot.com/
We had a great time.