Math
General | Algebra | Geometry

General

A+ Math
Practice addition, subtraction, multiplication, and division with flashcards and games.

Ask Dr. Math
Submit your math question to Dr. Math by e-mail.

Brain Teasers Contest
Includes math riddles.

C.J.'s Math Page
Includes mathematical definitions, proofs, and links.

Dave's Math Tables
Formulas and proofs for algebra, geometry, trig, and statistics.

Dictionary of Units
Gives conversion factors and history of all the units of measurement.

Glossary of Mathematical Mistakes
Includes mistakes made over and over by advertisers, the media, reporters, politicians, activists, and in general many non-math people.

History of Mathematics

Interactive Abacus
Learn the history of the Abacus.

Googolplex
A very, very large number

Math Activities
Animated addition, subtraction, multiplication, and division

Math Applications
You can use math to learn about investing, music, history, science, and vacations.

Math in Daily Life
Explore the use of math in banking, cooking, population, and more.

Mathline
Fun math challenges and concepts related to real life, such as health, earth day, and sports.

Mathmania
Dedicated to helping students work on open (unsolved) problems in mathematics and getting more people involved in live math research..

Mega-Converter
Converts weights, measures and other units.

Mega-Math
Mathematics of knots, hotel infinity, games on graphs, and other fun math topics

Pi Through the Ages
Traces the attempts, from biblical times to the present, to determine the value of pi.

Prime Machine
Explore prime numbers with this java program



Algebra

Algebra.com
Algebra and math homework online

Algebra Avenue
Talking interactive online algebra tutor homework help with online algebra practice problems and tutorials

Algebra.help
Calculators, lessons and resources designed to help you learn and understand algebra

Algebra: Graphing Linear Equations
Allows you to graph your own functions, take quizzes, and review topics in Algebra

Brief history of Algebra

Interactive Mathematics Online
Algebra and Geometry explanations from a team of high school students


Geometry

Geometry Projects
Fun brainteasers

Interactive Mathematics Online
Algebra and Geometry explanations from a team of high school students


Homework Help

English and Literature
Literary works, authors, writing guides...

Government
Politics, government, laws, economics...

History
Historical documents, U.S. history, famous people, world history...

Math
General math questions, algebra, geometry...

Reference
Dictionaries, thesaurus, almanac, quotations...

Science
Astronomy, earth sciences, life sciences, physics...