Wolfram AlphaWolfram Alpha is an online answer engine that is very useful for mathematical problems. It can differentiate and integrate, plot functions and much more.
MapleLike Wolfram Alpha, Maple can be used for checking your solutions. At Dartmouth there is licensed software available for students. If you would like to install Maple you can follow the instructions here:
MATLAB, a contraction of "matrix laboratory", is a computing environment and programming language developed by MathWorks. It can be used in a similar fashion as Maple. Dartmouth has a site license for MATLAB. You can download it here: