Can you provide some math links which my child can use?

Math Tools Math Reference Tables http://www.math.com/tables/tables.htm This site provides instant access to dozen of formulas, tables and properties.   Internet Mathematics Library http://mathforum.org/library/ The Math Forum's Internet Mathematics Library contains a Recreations category, with topics from the lighter side of mathematics. The Library also offers collections of math games and math-oriented sports sites. High School Mathematis in General Manipula Math Applet Collections http://www.ies.co.jp/math/products/products.html Interactive programs that can be manipulated and animations that help to grasp the meaning of mathematical concepts.   Dr.Math http://mathforum.org/dr.math/ Students, parents and educators will find links to math resources, including software, online Internet activities, brain teasers, puzzles and a link to the Internet Mathematics Library. The high school math search link will provide information to other math sites on the High school level.   Quick Math http://www.quickmath.com/ QuickMath is an automated service for answering common math problems over the Internet. Think of it as an online calculator that solves equations and does all sorts of algebra and calculus problems - instantly and automatically! QuickMath will automatically answer the most common problems in algebra, equations and calculus faced by high-school and college students.   MathWorld http://mathworld.wolfram.com/ MathWorld is a comprehensive and interactive mathematics encyclopedia intended for students, educators, math enthusiasts, and researchers. Although it is often difficult to find explanations for technical subjects that are both clear and accessible, this website bridges the gap by placing an interlinked framework of mathematical exposition and illustrative examples at the fingertips of every internet user.   Eric Weisstein's World of Mathematics http://mathforum.org/library/more_info.html?id=2832 A full-text searchable, comprehensive alphabetical encyclopedia of math terms, equations, and derivations, with explanations, examples, references, and much more.   S.O.S. Mathematics www.sosmath.com Browse free math review materials in topics ranging from algebra to differential equations on SOS Mathematics. The 2,500 pages with clear, concise explanations are geared directly to High school and college students. Algebra Practical Algebra Lesson http://www.purplemath.com/modules/ Practical algebra lessons that contain tips, hints and examples, and point out common mistakes. Geometry Euclid's Elements http://aleph0.clarku.edu/~djoyce/java/elements/elements.html An online guide to Geometry.   Fun Mathematics lessons http://math.rice.edu/~lanius/Lessons/ Test your math skills with these fun problems based on fractions and Geometry.   Probability Probability Tutorials http://www.probability.net/ Probability.net offers tutorials in measure theory, lebesgue integration and probability. Work through these topics by solving a series of exercises (solutions provided). Trigonometry An Introduction to Trigonometry http://www.ping.be/~ping1339/gonio.htm Moving figures which help students to grasp the meaning of Trigonometry concepts.   Manipula Math Applet Collections: Trigonometry http://www.ies.co.jp/math/products/trig/menu.html Interactive programs that can be manipulated and animations that help to grasp the meaning of mathematical concepts.   Trigonometry Realms http://zonalandeducation.com/mmts/trigonometryRealms/trigonometryRealms.html Animated designs are used to explain Trigonometry.   Webtrig http://www.math.uakron.edu/~tprice/Trig/ Webtrig is a World Wide Web tutorial covering the basics of Trigonometry. The lessons include an introduction to angles and their measurement, definitions of the trigonometric functions, gaphs of trigonometric waves, an introduction to trigonometric identities, and techniques for solving trigonometric equations.   Dave's Short Trig Course http://www.clarku.edu/~djoyce/trig/ This site allows you to learn a bit about Trigonometry or brush up on what you may have previously learned. There are a few exercised for you to work on and the short answers are provided as well. Calculus Calculus Help http://www.calculus-help.com/ Calculus Help offers content for both advanced High school students and college calculus students. In addition to free multimedia tutorials, it continues to offer a practice problem just about every week that is answered in plain, everyday English the following week. Visual Calculus http://archives.math.utk.edu/visual.calculus/ Visual Calculus offers a collection of modules that can be used in the studying or teaching of calculus.   HMC Mathematics Online Tutorial www.math.hmc.edu/calculus/tutorials/ An online tutorial centered on calculus maintained by Harvey Mudd College Department of Mathematics. Our beloved metal math professor is working in that math department.