Description
Do a subtraction.
Add here a paragraph of the function description
LaTeX can also be used to render equation: In this case, the rendering should 
It is now possible to include an image in using Scilab code (this requires to declare the namespace xmlns:scilab="http://www.scilab.org"):
<scilab:image> plot3d(); </scilab:image>
If an image contains a localized string then the attribute scilab:localized="true" is required:
<scilab:image localized="true"> plot2d(); xtitle("My Beautiful 2D plots"); </scilab:image>
