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WebMath is designed to help you solve your math problems. Composed of forms to fill-in and then returns analysis of a problem and, when possible, provides a step-by-step solution. Covers arithmetic, algebra, geometry, calculus and statistics.

Easiest way to plot functions! Just type fooplot.com/sin(x) or your function into your browser.

Print Cartesian, engineering, polar, isometric, hexagonal, probability, Smith chart and logarithmic graph paper free from your computer.

Wolfram|Alpha gives you access to the world

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

Explore math with desmos.com, a free online graphing calculator

Math Worksheets for Addition, Subtraction, Multiplication, Division, Telling Time, Money, Fractions, Factors, Kindergarten and more Math Topics.

Visual Math product family is a math software for math computation and visualization, data visualization.

Learn math with easy to understand math videos online. Your one stop math learning resource online, featuring Basic Math, Algebra, Trigonometry, Calculus and much more!

MAKE brings the do-it-yourself mindset to all the technology in your life. MAKE is loaded with exciting projects that help you make the most of your technology at home and away from home. This is a magazine that celebrates your right to tweak, hack, ...

Freebies for kids, parents, students - everyone! Get freebies, free samples and other free stuff every day. All my freebies are legit, plus learn how to avoid freebie scams and other freebie tips at About.com Freebies.