I played a little bit with the TAChart, omg so many different units needed, so many components/pathes to set. Some inital drawing problems, some more error checking need. Now works nicely, of course some events and so on does not work.
This new TAChart is very different as the one I used long time before in my programs in university. So I’m not sure how to use this but in principle it works 😉
Made a little test program afunction plotter: