William Whewell has been on my mind. Not Brandon level, since he lives and breathes the guy, but as part of my perennial dissatisfaction with modern educational theory and practice. Anyway, as part of Whewell’s insistence on the pedagogical priority of geometry over algebra, I present this: a beautiful summary of a famous mathematical problem solved by Euler in the 18th century.
Why Whewell? Well, Euler and Gauss and company all followed the Primacy of Geometry education and it served them reasonably well. But enough of edu-theory. Enjoy the cool video!
Why a sum involving nothing but natural numbers involves pi: