Calling sub programs

[leprechaun]

In that case the argument args is a function called by its name. e.g. if f(b):=b^2 then I want to call expression(f) where expression() is a cas program. Expression() Returns the expression of a function.

cas programs should Show in the toolbox. I have the Feeling that cas is more powerful than home. In both view and programs. As a result I tend to use the prime almost only in cas mode! I want to get used to it there. Custom programs are tools and you should not Need to have to get to the idea to do in a search in both, Tools and variables if you look for one.