These are some pictures I have made with $\LaTeX$ for classes and talks. When I get some free time, I will add more. I will also add all the `.tex` files for making them, in case others find them to be useful. The pictures below are in `.png` format, so the actual outputs from the `.tex` files appear much nicer.

Calculus

Multivariable Calculus

Linear Algebra

Foundations (Sets, Relations, Functions/Maps, etc.)

Real Analysis

Point-Set Topology

Miscellaneous

Office: King Building 120

Email: `ngray` (at) `oberlin.edu`

Phone: (440) 775-8972

**Mathematics Department**

King Building 205

10 N. Professor Street

Oberlin, OH 44074