Unfortunately for the casual art lover, the images are password protected to prevent infringement of copyright. Passwords are issued to students by their instructors. Use of the web in mathematics instruction is increasing rapidly. A consortium of universities including Ohio State and Illinois is offering a calculus course on the web. The course incorporates the symbolic package Mathematica .
More information is available.
This is only one of a number of web-based mathematics courses. The use of the web in the Rutgers Mathematics Department is also growing. There are now web pages for several large courses. These pages contain syllabi, review materials, and copies of actual exams, some with solutions. The home page for the Mathematics Department contains a link to course materials.