Problem with a list in CAS-program

[Arno K]

So I will use [] instead of () in my CAS-programs and Home-programs, that is no problem for me, but as stated before I had in mind, before writing the program, that in the user guide only () were mentioned for access to list objects (ok, forgot that there in HOME is explicitely used AND CAS is omitted). I noted that in my private user guide, that will help in the future).
Not to you Bernard, but to the HP responsables:
Exactly that is what has to be done: add things like that to the user guide so those problems can be avoided before they arise, here I think of the target group and pupils/students trying some task like the one I wanted to solve and ending up with: nice looking but...
Arno