# Show steps in a calculation using Wolfram Mathematica 11?

GROUPS:
 How to make Mathematica show me the steps of any calculation as example steps of a definite integral Integrate[1/Sqrt[R^2 + (x1 - x2)^2], {x2, 0, l}, {x1, 0, l}] ?
 Daniel Lichtblau 1 Vote Here is a related integral for which W|A will correctly interpret input and offer show-steps. Integrate[1/Sqrt[Pi^2+x^2],{x,0,E}] Changing x to x2 makes it go sideways though.I used concrete values instead of R and l so as to avoid the need to argue with Alpha over whether it should take the Assumptions option of Integrate or otherwise infer ranges of viable values for those parameters.