Partial and Ordinary Differential Equations
Linear Algebra and Discrete Models
History of Mathematics
Introduction to Analysis
This is where I pretend that someone reads this page besides me (:-) Here are some of my favorite Web sites.
I don't necessarily check these regularly so if you find a
please let me know.
The Interactive Mathematics Miscellany and Puzzles is more fun than people.
Here's something that all Calculus students should take a serious look at. The Integrator will symbolically compute most integrals for you. A way to check the even numbered problems!
The Glossary of Mathematical Mistakes and the 100 Most Common Errors in Undergraduate Mathematics give substantial listings of what not to do on your homework, quizzes and exams.
You can buy your own Klein Bottle here. Disclaimer: I am not endorsing this product, nor am I recommending that you buy one. I just think this site is a lot of fun.