1.0 Running Mathematica
To find out how to install and run Mathematica you should read the documentation that came with your copy of Mathematica. The details differ from one computer system to another, and are affected by various kinds of customization that can be done on Mathematica. Nevertheless, this section outlines two common cases.
Note that although the details of running Mathematica differ from one computer system to another, the structure of Mathematica calculations is the same in all cases. You enter input, then Mathematica processes it, and returns a result.