MathZone also helps ensure consistent assignment delivery across several sections through a course administration function and makes sharing courses with other instructors easy. In addition, instructors can also take advantage of a virtual whiteboard by setting up a Live Classroom for online office hours or a review session with students. For more information, visit the book’s website (www.mhhe.com/barnett) or contact your local McGraw-Hill sales representative (www.mhhe.com/rep).