When buying a WebAssign access code, make sure it is for the textbook Calculus by Rogowski and Adams. (3rd edition - early transcendentals version). be sure to get a "Premium" access code (versus an "Enhanced" access code for the lower division courses).
The WebAssign passkey does not come with the ebook. If you buy the passkey through WebAssign, you have 4 options:
You should get an email link from webassign to set your password. if you don't get this:
You can now access webassign directly at webassign.net with this username and password.
The WebAssign Tech Support hotline is 1-800-955-8275.
WebAssign Dos and Don'ts
WebAssign Tour (video)
How to find Practice Another Version for past due assignments