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The games begin March 14

Facts about numbers 0 - 9

Share Global Pi
Celebrated around the World
Pi Day - March 14, 2014

Slice of Pi

Check your birthday, phone, favorite or lucky numbers.
Enter up to 10 numbers to see where they occur in the series of pi.
The program can only search numbers. No spaces, dots or dashes.

The fewer the numbers, the higher the probability that they will occur.
Only 1% of 10-digit sequences actually appear among the first 200 million digits of pi.
Nearly 100% of 7-digit strings appear.

Thanks to David Andersen for the Pi Search.

Learn Pi

Want to know the 1st 10 digits of pi?

Learn this simple sentence.


There, now you know!
It is just 3.141592653
It's as easy as pi


Hide pi sentence.

Win an iPhone

It's a easy as pi. Enter email to win.
Giving away three shirts from the pi-eShop.
Drawing held on pi-Approximation Day, July 22, 2014.

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US residents 18 years or older
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