Since the parameters printed in each question differ, the answers differ from version to version. Students log in to print their homework, then logoff. This quck grading feedback promotes effective learning. Instructors' versions always include explanations to problems. Online connect time is minimal.
Access is password protected.
A student may access his or her scoring record at any time. Statistical plots of homework scores are updated daily. Instructors select problems, then let the Homework Service do the delivery, grading, and bookkeeping, all under their control. These optional books can be downloaded and printed. All Rights Reserved.