## Proof of Pi (e-book)

The book 'Proof of Pi (the search for)' contains a mathamatical proof for pi, using ...This e-book is available to purchase or free to download.

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## Pi versus Pi (e-book)

The book 'Pi versus Pi (a comparison)' contains a comparison of two values of pi, and shows that one of the values has perfect symmetry and one does not. This e-book is available to purchase or free to download.

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