>Just tell them to ignore that complexity and only press this and this. You have used 3 "just do this" kind of statements in this comment. I would not like to

>Just tell them to ignore that complexity and only press this and this. You have used 3 "just do this" kind of statements in this comment. I would not like to be in your class. Students should be encouraged to explore, and its a teacher's responsibility to create an environment where its fun and valuable and not frustrating. This is why newtonian mechanics is taught before quantum and quantum mechanics before quantum field theory. Once a person is familiar with one abstraction you drill down. I know all this is hard, but if it was easy everyone will just teach themselves. The whole point of having a teacher is someone who can setup a protective bubble around you when learning.