# Calculating Pi with Real Pies

Once again the date is 3/14, known affectionately as Pi Day, a holiday in which to pay homage to the ratio of a circle to its diameter. To celebrate Pi Day, Brady Haran of Numberphile produced this video featuring Matt Parker measuring a big circle to calculate pi. With pies.

There are many traditional ways to celebrate Pi Day. You can:

Eat a pie! Or you can read about fancy geeky pies created especially for Pi Day.

Pizza Pi is the traditional Pi Day meal.

Read up on Albert Einstein, who was born on Pi Day!

Listen to Music based on the digits of pi, either on piano or a full band.

Watch a movie. *The Life of Pi* is out on home video.

Give someone a nice pi gift, wrapped up in Pi Gift Wrap.

Serve drinks with ice shaped in the pi symbol.

Put together a Pi Pie Jigsaw Puzzle.

Don't forget to wear your Pi Day shirt!

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