This site will provide you with a wide range of resources to use in mastering the materials in this course. We have tried our best to organize it and cross-link the materials so you can find what you need when you need it. This guide serves as an orientation to the site. Use it to familiarize yourself with what is here and to find out what you need to use it.

Look through What's here? for a description of the different sections of this site. To use all of the resources on this site, you will need to use a computer equipped with certain software, all of which is free. You can find out about what you need under Requirements. If you are not in this course, check out Just visiting? If you are in the course and are not sure how to prepare, take a look at Help studying. Can't figure out how to use the textbook? Look at Find Readings. When you are done, just go Home.