Click Here to contact the technical support team for the website.

No. This website can be used from a PC or a Macintosh as long as the computer meets the minimum Site Requirements. Go to the Site Requirements page by clicking "Site Reqs" at the top of this window.

You'll find everything you need to optimize your computer for use of this website in Site Requirements. Updating your Web browser and plug-ins will allow you to view animations and complete the activities.

Try quitting any other applications you have open. If this does not work, try allocating more memory to your browser. To do this, quit your browser and locate the application on your hard disk. Click on it once and select "Get Info" from the "File" menu. In the information dialog box under Memory Requirements, increase the Preferred Size.

All the resources are created by teams of faculty who work closely with Addison Wesley’s editorial and production teams to make the material work specifically for the Web environment. See the credits page for the list of contributors.

No. A textbook is a valuable, comprehensive resource for students. In fact, many of our contributors are also textbook authors. At this website we've created learning activities that are designed to take advantage of the Web's interactivity and that act as a valuable supplement to the teaching and learning of core concepts.