The mathematics and Computer Sciences references on this page are some that I found useful in my professional work, continuing education, and attempt at web development in recent years. The web design guides are particularly good.
MATH REFERENCESWolfram MathWorld
MathPro Press On-line Mathematics Dictionary
COMPUTER SCIENCE REFERENCES
Web Programming and Design GuidesW3 Schools HTML Tutorial
W3 Schools XHTML Tutorial
W3 Schools CSS Tutorial
W3 Schools PHP Tutorial
PythonNumerous Python tutorials (300+) from awaretek.com
"Dive Into Python" by Mark Pilgrim
"An Introduction to Tkinter" by Fredrick Lundh
NumPy (Numerical Python) Homepage
Numerical Python Documentation
Perl"Beginner's Introduction to Perl" at perl.com - O'Reilly publishing
"Perl 5.004 Quick Reference Guide" by Johan Vromans
JavaJava Tutorials from the Sun Developer Network (java.sun.com)
C++cplusplus.com - References and Tutorials
Cprogramming.com - References and Tutorials
UNIX / LinuxBash Reference Manual at www.gnu.org
"Bash Shell for Beginners" (PDF)
"Advanced Bash - Scripting Guide" (PDF)
BOOKS - MathematicsCalculus Made Easy
Silvanus P. Thompson F.R.S. and Martin Gardner, 1998, St. Martin's Press.
Schaum's Outlines: Mathematical Handbook of Formulas and Tables, 2nd Edition
Murray R. Spiegel, Ph.D. and John Liu, Ph.D., 1999, The McGraw-Hill Companies, Inc.
Schaum's Outlines: Numerical Analysis, 2nd Edition
Francis Scheid, 1998, The McGraw-Hill Companies, Inc.
Numerical Analysis: Mathematics of Scientific Computing, 3rd Edition
David Kincaid and Ward Cheney, 2002, the Wadsworth Group.
Everyday Math for Dummies - Don't laugh!
Charles Seiter, Ph.D., 1995, IDG Books Worldwide, Inc.
OK, I admit I did not use this book for school or for work but it really is a good, fun, and informative book. Enjoy!
BOOKS - Computer ScienceWeb Design in a Nutshell, 3rd Edition
Jennifer Niederst Robbins, 2006, O'Reilly Media, Inc.
Learning PHP 5
David Sklar, 2004, O'Reilly Media, Inc.
HTML and XHTML: The Definitive Guide
Chuck Musciano and Bill Kennedy, 2002, O'Reilly Media, Inc.
Learning Python, 2nd Edition
Mark Lutz and David Ascher, 2004, O'Reilly & Associates, Inc.
Programming Perl, 2nd Edition
Larry Wall, Tom Christiansen, and Randal L. Schwartz, 1996, O'Reilly & Associates, Inc.
Nancy Walsh, 1999, O'Reilly & Associates, Inc.
Tcl and the TK Toolkit
John K. Ousterhout, 1994, Addison-Wesley Publishing Company, Inc.