Scientific American's Ask The Experts Web site is worth mentioning again as a great resource for mid and upper-level science classes. Divided into categories like Astronomy, Biology, Environment, and Medicine, students...

The author of C++ In Action and its online counterpart wrote the book with the intention of transcending the bare-bones essentials of the programming language and expanding into the techniques that make an effective code...

Created by a professor of computer science at Hobart and William Smith Colleges, this online textbook "is suitable for use in an introductory programming course and for people who are trying to learn programming on their...

Created and maintained by Carlos Ramirez, this site aims to "provide a complete and up-to-date repository of documentation available to the Perl community," including bundled POD documentation as well as documentation of...