"Need to know how to solve differential equations? This easy-to-follow, hands-on workbook helps you master the basic concepts and work through the types of problems you'll encounter in your coursework. You get valuable exercises, problem-solving shortcuts, plenty of workspace, and step-by-step solutions to every equation. You'll also memorize the most-common types of differential equations, see how to avoid common mistakes, get tips and tricks for...

With its pre-coded modules, open source Joomla! is popular for building interactive Web sites without writing code. This Web site design tool lets you build sites with discussions, polling, RSS feeds, picture submissions, shopping carts, and a lot more, quickly and easily and the quickest, easiest way to learn how to use it is Joomla! For Dummies. Learn to link articles on your site with drop-down menus, invite visitors to rate content, enable a full-site...