Hotmath - http://www.hotmath.com/ Solutions and problems in popular US textbooks, algebra through calculus. Solutions include hints and explain steps up to and including the final answer.
Webmath - http://www.webmath.com/ Offers interactive homework help in pre-algebra, algebra, geometry, trigonometry, calculus, statistics, and real world math. From DiscoverySchool.com.
Revolutionary Mathematics Tuition Software - http://www.mathematics.net.au This mathematics tutoring software program automatically finds students weak areas and fills in the gaps.
Free Math Help - http://www.freemathhelp.com/ Provides games, activities, lessons, calculators for students studying algebra, geometry, calculus, or trigonometry including a daily problem.
Math Forum: Ask Dr. Math - http://mathforum.org/dr.math/ A question and answer service for all school levels, with a searchable archive and FAQ.
Free Mathematics How-to Library - http://www.teacherschoice.com.au/mathematics_how-to_library.htm Offers help with algebra, geometry, calculus, fractions, money, and trigonometry problems. Includes worked examples and files for download with more information and exercises.
Talking Arithmetic Tutor - http://www.sssoftware.com/TalkingArithmeticTutor/index.html Free demo download shows students step by step solutions to addition, subtraction, multiplication and division problems.
What2Learn - http://www.what2learn.com/games/maths/ A number of puzzles and math games.
Math Made Fun - http://www.hickammath.com/ Worksheets allow for practice with arithmetic, algebra, and geometry. Includes answers. Also, has some general formulas and tutorials.
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