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The Tau Manifesto
Given its ubiquity in mathematics, it may surprise you to learn that pi is, in fact, wrong. Building on the work of the mathematical heretics who preceded him, Michael Hartl published The Tau Manifesto on Tau Day (6/28), 2010, thereby launching what has become an international movement for mathematical sanity. Explore the reasons why pi is wrong—that is, why pi is a confusing and unnatural choice for the circle constant—and meet its replacement, tau. Skeptics beware: by the end of the manifesto you may be surprised to find yourself converted to tauism.
- GenresMathematicsNonfiction
53 pages, ebook
First published June 28, 2010
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Displaying 1 - 3 of 3 reviews
February 24, 2026
Pie is better than cake, and Tau is better than Pi. I'd rate Tau at about 6/7 🤷.
April 29, 2020
Inspired by Bob Palais' π Is Wrong!, the Tau Manifesto is a clear fun read and is fundamentally right.
Call me a tauist.
Call me a tauist.
June 29, 2015
Genius! Well explained! I completely agree!
Displaying 1 - 3 of 3 reviews