McGraw-Hill offers automatic grading of questions from their leading textbooks using the online homework system WebAssign. WebAssign is an online homework, quizzing, and testing service for instructors who want an easy, accurate way to assess student performance. Typical uses include assigning homework, checking on daily reading assignments, scheduling prelabs, performing high-stakes testing, and conducting student surveys and course evaluations. Currently, nearly 40,000 students are using WebAssign in over 100 institutions of higher education all over the United States.