Just FYI, Sage also has the Sage Cell Server, which is similar in that you can do calculations on a webpage, but also allows embedding live cells in webpages ea

Just FYI, Sage also has the Sage Cell Server, which is similar in that you can do calculations on a webpage, but also allows embedding live cells in webpages easily, sage interacts, 3d graphics, etc. For example, here is your calculation: http://sagecell.sagemath.org/?q=mthhin http://sagecell.sagemath.org/?q=mthhin. Click the "About" link in the upper right for more information.