After some hard work with Simon Weitzhofer, an undergraduate student at Johannes Kepler University, Linz, Austria, we finally published a GeoGebraWeb version which contains a built-in computer algebra system (CAS), “binary the same” to the desktop version of GeoGebra.
To try it out, the user should simply go to the alpha test page of the web platform version of GeoGebra. Then enter
into the input box, press ENTER, and as another command, enter
In some seconds (depending on the internet connection and the machine speed, and also the browser) the output g(x)=x^2*cos(x)+2x*sin(x) will be shown in the Algebra View on the left. Google Chrome users may want to try to install GeoGebra from the Google webstore as well to make all of this work offline on their workstation, too.