Prentice Hall PTR Author Supplements Prentice Hall PTR 2003-06-09 Prentice Hall PTR Prentice Hall PTR's online author supplements extend your opportunities for learning from our award-winning, bestselling books and training courses. Our online supplements include code and software downloads; companion Web sites for textbooks; and bonus online extras, tutorials, and book updates. http://authors.phptr.com/legal.html text/html en-US Prentice Hall PTR