Q: What is the difference between a mathematician and a philosopher? A: The mathematician only needs paper, pencil, and a trash bin for his work - the philosopher can do without the trash bin...

http://www.math.ualberta.ca/~runde/jokes.html

http://www.ahajokes.com/math_jokes.html

http://www2.cs.uregina.ca/~cowles/MathJoke.html

http://www.math.ca/Recreation/mjokes-1.html

http://www.math.utah.edu/~cherk/mathjokes.html