Step-by-Step Math

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.

From here:
http://blog.wolframalpha.com/2009/12/01/step-by-step-math/

Example:
http://www.wolframalpha.com/input/?i=integrate+x+Sqrt[1-Sqrt[x]]