Division by Zero
A blog about math, puzzles, teaching, and academic technology
Contact info
My book
Euler's Gem: The polyhedron formula and the birth of topology
Princeton University Press
2008
Euler's Gem Facebook page
Buy it:
Princeton University Press
Amazon
Princeton University Press
2008
Euler's Gem Facebook page
Buy it:
Princeton University Press
Amazon
- Can't pinpoint when I fell in love with math—I always have (photo). I thank my dad for encouraging me & buying me p… twitter.com/i/web/status/7… 10 hours ago
- Inspirations off my bookshelf: from childhood reads (Gardner) to one I wrote about (Euler) to my MH authors… twitter.com/i/web/status/7… 14 hours ago
- RT @cbquist: Mathematician and astronomer August Ferdinand Möbius died #otd 1868. I'd say we'll see him on the other side, but... https://t… 14 hours ago
- RT @dtkung: Take the @MAAnow #loveyourmath challenge - what early experiences made you fall in love? 14 hours ago
- RT @maanow: Join MAA's 5-day #loveyourmath challenge! Share images and photos that show off your relationship with math! (@jamestanton @Eri… 14 hours ago
Recent Posts
Top Posts
- How to curve an exam and assign grades
- What is the difference between a theorem, a lemma, and a corollary?
- Is or an inclusive or or an exclusive or?
- Music is math: ten songs about mathematics
- LaTeX now available in Google Docs
- Showing two expressions are equal: stop the madness
- The geometry of meandering rivers
- Tennenbaum's proof of the irrationality of the square root of 2
- E-Z Pass, speeding tickets, and the mean value theorem
- My applets
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