| 2. | Beauty | | | A sort of poem with the digits of Pi, spelled out with the words in many different languages. www.ugcs.caltech.edu |
| 3. | Am I in Pi | | | Determines where your birthday first occurs in PI. Checks the first 1,254,543 digits of PI. www.facade.com |
| 4. | Search within Pi | | | Search in the first four billion binary digits of Pi for a string and links to further information about Pi. pi.nersc.gov |
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