Here are some extra computational tools for you to check out and play with.
Try out Sage online.
Sage Cloud: an online computational tool.
More will be coming on this.
Another online calculator.
Wolfram Alpha Online
Office hours: Thursdays, 1:30-3:30pm.
Office: Padelford C-8B
How to find my office: See my web site
E-mail: jps314 "at" uw "dot" edu
Class site: see here