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.