Step-by-Step Math

Wolfram|Alpha:

Have you ever given up working on a math problem because you couldn’t figure out the next step? Wolfram|Alpha can guide you step by step through the process of solving many mathematical problems, from solving a simple quadratic equation to taking the integral of a complex function.
When trying to find the roots of 3×2+x-7=4x, Wolfram|Alpha can break down the steps for you if you click the “Show steps” button in the Result pod.