Interesting+Math+Links

2015.09.25 - Subtracting by adding 2014.12.02 - A Mile of Pi (SLYT) Origami Proof of the Pythagorean Theorem (SLYT) Doodling in Math Class (SLYT) Doodling in Math Class 2 (SLYT) Anti-Pi Rant (SLYT) A Mathematician's Lament (Long)