<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> <HTML> <HEAD> <meta name="GENERATOR" content="tex2rtf"> <!-- Sitemap 1.0 --> </HEAD><BODY> <OBJECT type="text/site properties"> <param name="ImageType" value="Folder"> </OBJECT> <UL> <LI> <OBJECT type="text/sitemap"> <param name="Local" value="doc4.htm#about"> <param name="Name" value="About"> </OBJECT> <LI> <OBJECT type="text/sitemap"> <param name="Local" value="doc1.htm#intro"> <param name="Name" value="Introduction"> </OBJECT> <LI> <OBJECT type="text/sitemap"> <param name="Local" value="doc2.htm#classes"> <param name="Name" value="Classes"> </OBJECT> <LI> <OBJECT type="text/sitemap"> <param name="Local" value="doc5.htm#chapter2"> <param name="Name" value="Chapter 2"> </OBJECT> <LI> <OBJECT type="text/sitemap"> <param name="Local" value="doc3.htm#functions"> <param name="Name" value="Functions"> </OBJECT> </UL>