One of the legends of math relates to the invention of the coordinate plane system. The legend states that Descartes was inspired to invent this system after watching a fly move around on the ceiling over his bed. This post tells the story and points out its relevance for modern math teachers.

# Archive | Great Mathematicians

# Play a game, meet John Nash

Learn and play a fun board game, Hex, also known as “John.” Game was co-invented by John Nash and Piet Hein, both mathematicians.

# See a world-class mathematician

Lecture by one of today’s greatest mathematicians, Terence Tao.