Q: I have a customer account (not academic instructor.) Can I share material downloaded from this web site with a friend?
A: The material is only available for your personal, non-commercial use. Please ask your friend to sign up for our web site. Registration is free and takes only a few steps. Please refer to our Terms & Conditions.
Q: I am an academic instructor, can I post the material downloaded from this web site on my webpage for students to download?
A: Yes, unless indicated otherwise, and only if access is restricted to YOUR students enrolled in YOUR class. To avoid any issue we recommend providing hard copies instead. Please refer to our Terms & Conditions.
Q: I am an academic instructor. Can I modify the material to teach a class?
A: Yes, provided you do not remove any copyright notice. Please refer to our Terms & Conditions.