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Math 26  Math 427  Math 401  
Trigonometry 
Geometry

Real Analysis  


Math 250/251  Math 430  Math 475W  
Section 1
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Linear Algebra and Discrete Models 
History of Mathematics 
Is College Worth It? by John Green
\(13 \times 7 = 28\)
I don't necessarily check these
regularly so if you find a
broken link,
please let me know.
The Interactive Mathematics Miscellany and Puzzles is more fun than people.
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.