The following is a collection of 13 cheat sheets for several mathematical topics and programs:

1. General Math Cheat Sheet-GRE (iPaper and other formats)
2. Elementary Algebra Cheat Sheet (PDF)
3. Trigonometry Cheat Sheet (PDF)
4. Calculus Cheat Sheet (PDF)
5. Derivatives and Integrals Cheat Sheet (PDF)
6. Laplace Transforms Cheat Sheet (PDF)
7. Abstract Algebra Cheat Sheet (PDF)
8. Probability Theory Cheat Sheet (PDF)
9. Matlab Cheat Sheet (PDF)
10. Mathematica Cheat Sheet (PDF)