Algebra Online
http://www.algebrahelp.com/index.jsp
This site allows you to ask online tutors for help, chat about Algebra, and post Algebra related messages on to a bulletin board.

Algebra Homework Help
http://www.algebra.com/

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Geometry Junkyard
http://www.ics.uci.edu/%7eeppstein/junkyard/
These pages contain usenet clippings, web pointers, lecture notes, research excerpts, papers, abstracts, programs, problems, and other stuff related to discrete and computational geometry.

Geometry Flashcards
http://www.aplusmath.com/cgi-bin/flashcards/geoflash
Determine the geometry term from the picture.

Virtual Polyhedra
http://www.georgehart.com/virtual-polyhedra/vp.html
View, manipulate and learn about over 1000 polyhedra on-screen.

Uniform Polyhedra
http://www.mathconsult.ch/showroom/unipoly/
Check out 80 different polyhedra with your students. Watch an animation of each one choosing from a well-designed Visual Index. Line, face and edge information is also available.

Geometry In Action
http://www.ics.uci.edu/%7eeppstein/geom.html
This page collects various areas in which ideas from discrete and computational geometry (meaning mainly low-dimensional Euclidean geometry) meet some real world applications. It contains brief descriptions of those applications and the geometric questions arising from them, as well as pointers to web pages on the applications themselves and on their geometric connections.

Java 3D viewer
http://www.frontiernet.net/%7eimaging/java3dviewer.html
Relatively Realistic Realtime 3D Engine

Richard Hawkins Digital Archive
http://www.newciv.org/Synergetic_Geometry/
Site is full of 3D Quicktime movies.

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A short course in trigonometry
http://aleph0.clarku.edu/%7edjoyce/java/trig/
A great little site for learning trigonometry.

SOS Trigonometry
http://www.sosmath.com/trig/trig.html

Introduction to Trigonometry
http://www.ping.be/%7eping1339/gonio.htm
Great trig problems with solutions

Graphing Vector Calculator
http://www.frontiernet.net/%7eimaging/vector_calculator.html

Calculus on the Web
http://www.math.temple.edu/%7ecow/
If the name doesn't scare you off, check it out! Through Temple University.

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The Census
http://www.census.gov/
This is the official information taken from the 2000 census.

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Math Homework Help
http://users.adelphia.net/~mathhomeworkhelp/
Math homework Help - Voted best math homework helper by Yahoo

Ask Dr. Math
http://www.mathforum.com/dr.math/
Ask Dr. Math is a question and answer service for math students and their teachers. A searchable archive is available by level and topic, as well as summaries of Frequently Asked Questions.

Welcome to Webmath!
http://www.webmath.com/index.html
Click a tab to get help with your math homework. This site has over 100 instant-answer, self-help, math solvers, ready to help you figure out your math problem.

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Mathematician of the day
http://www-groups.dcs.st-and.ac.uk/%7ehistory/Day_files/Now.html
Gives pictures and short biographies of mathematicians who were born or died today (changes daily!).

The MacTutor History of Mathematics archive
http://www-groups.dcs.st-and.ac.uk/%7ehistory/
Lots of information, including the biographies of more than 1000 mathematicians. From the University of St Andrews in Scotland.

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TI calculators
http://education.ti.com/educationportal/index.jsp
Texas instruments home page with information, products, and stuff to download.

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Ask Dr. Math is a question and answer service for math students and their teachers. A searchable archive is available by level and topic, as well as summaries of Frequently Asked Questions.

National Library of Virtual Manipulatives for Interactive Mathematics.
http://www.matti.usu.edu/nlvm/nav/vlibrary.html

The ArithmAttack
http://www.dep.anl.gov/aattack.htm
How many computer-generated arithmetic problems can you answer in 60 seconds? A gift to the children and math students of the world from the U.S. Department of Energy's Argonne National Laboratory.

Manipula math with Java
http://www.ies.co.jp/math/java/index.html
One hundred and fifty eight applets, all mathematical, from middle school to university. These applets are slick, and load very fast.

Cool Math
http://www.coolmath.com/home.htm
Designed for the pure enjoyment of mathematics.

National Library of Virtual Manipulatives for Interactive Mathematics.
http://www.matti.usu.edu/nlvm/nav/vlibrary.html

Project Interactive Web Site
http://www.shodor.org

Chicago GEAR UP Alliance
http://countdown.luc.edu

Illuminations
http://illuminations.nctm.org/index.html

Math Cats
http://www.mathcats.com/sitemap.html

Dara Feldman's Web
http://homepage.mac.com/dara_feldman/Math.html

Eileen Barnett's database at Lesley Educational Software Database http://www.lesley.edu/oit/academic/software_db.html

I Spy
http://www.scholastic.com/ispy/play/