One of the best sources of examples and information about Mathematica
is the Wolfram Library
Archive.
Here you'll find several useful tools that will help you to maximize
your benefit from Mathematica. Some of the resources that
might be of interest to engineers are listed below.
MathSource MathSource is a portion of the vast electronic library
of Mathematica
materials including immediately accessible Mathematica programs,
documents, and examples. You can even find information here
on how to migrate from other computing software such as MATLAB or
Mathcad to Mathematica.
The
Mathematica Journal
This print and online publication publishes articles on
all aspects of Mathematica and has the goals of informing
and exciting the Mathematica community and of enabling readers
at all levels of proficiency to use Mathematica more effectively.
MathGroup
If you are looking for advice from people in your field, try sending
a message to the very active newsgroup MathGroup.
Mathematica Courseware Catalog
Browse the courseware catalog for engineering course materials that
have been designed by experts in your field.