## Posts Tagged ‘numerology’

### A pyramidologist’s value for pi

Posted by: **Dave Richeson** on April 27, 2011

A blog about math, puzzles, teaching, and academic technology

Posted by: **Dave Richeson** on April 27, 2011

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

- Afternoon project with the kids: making spinners out of bicycle chains and skateboard parts. https://t.co/LqXtH0Dz8O 9 hours ago
- Nice! twitter.com/CardColm/statu… 1 day ago
- Old blog post shows how to use irrational rotations to prove that leading digits of 2^n follow Benford's law. divisbyzero.com/2010/09/08/irr… 2 days ago
- Very excited to FINALLY see PJ Harvey—tomorrow in Philly. Here's a classic performance/interview on Leno in 1993. youtube.com/watch?v=tBtM0g… 2 days ago
- RT @panlepan: #Dissection Triangle -> Rectangle -> Square @giohio @dynamic_math @geogebra @EthanASmith5 @solvemymaths #mathgif https://t.c… 2 days ago

- How to curve an exam and assign grades
- What is the difference between a theorem, a lemma, and a corollary?
- Music is math: ten songs about mathematics
- Playing the probabilities in Settlers of Catan
- The transcendence of e
- Is or an inclusive or or an exclusive or?
- Puzzler: a squarable region from Leonardo da Vinci
- A new continued fraction for pi
- LaTeX now available in Google Docs
- E-Z Pass, speeding tickets, and the mean value theorem