### More silly doodles

2009-07-05 21:58 by Ian

Stuff I drew. All idle doodles.

### A random sheet of doodles

2009-05-16 00:29 by Ian

This was drawn during a grueling series of biology presentations, most of which I was too ADD to listen to.

### Volume of a sphere

2009-05-16 00:20 by Ian

Below is something I did a few semesters ago. It is the derivation of the formula for the volume of a sphere in spherical coordinates using a triple integral.