Spring 2009 Math 222 — Second Semester Calculus.
History of maths web site of the University of St Andrews in Scotland.
Pythagoras: wiskundetijdschrift voor jongeren (in dutch)
Gutierez' Animated Geometry Website.
National Center for Science Education. (Defending the Teaching of Evolution in Public Schools)
A picture of myself, a conference I went to, and also one I missed.
