There are a number of additional resources available for finding out how to do things in Mathematica. Examples are this web site, other Wolfram Research, Inc. web sites like the techncial support site, the library pages, and MathSource. Also, the Mathematica bookstore contains hundreds of Mathematica-related books. If you are interested in getting personalized training or consulting, Wolfram Research maintains a list of accredited training and consulting professionals who have years of experience in the use and teaching of Mathematica. Finally, the newsgroup comp.soft-sys.math.mathematica is an invaluable resource for any questions you might have.