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David Richeson: Division by Zero

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Day: September 9, 2009

Casting out nines

It is now 9:09:09 on 9/9/09.

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Dave Richeson
Professor of Mathematics
Dickinson College
Twitter: divbyzero

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My books

Tales of Impossibility: The 2000-Year Quest to Solve the Mathematical Problems of Antiquity (Princeton University Press, 2019)

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Princeton University Press
Amazon

Euler's Gem: The Polyhedron Formula and the Birth of Topology (Princeton University Press, 2008)

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Princeton University Press
Amazon

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