How to obtain an access code for Gradiance

As noted in class, we will be using the Gradiance on-line system for homework assignments. If you have bought the text book from the UCSC bookstore then you have already obtained an access code. For those who have the textbook but do not have the code, you can order the code through the bookstore using the ISBN 013173718X. You can also place a direct order at Prentice Hall (order URL).