Some brief resources-
In particular, https://www.wolfram.com/books/profile.cgi?id=9764
Is there a calculator centered secondary school curriculum somewhere?
You could look at https://neilstrickland.github.io/maths_with_maple/. This is a full set of material for a CAS-based course which is mostly calculus but has some precalculus. It was originally taught using Maple, but I have recently added files that do most of the same work using Maxima instead. (Maxima is open source, but Maple is not.) Everything is ...