I think Gilbert Strang at MIT does a great intro with his "Big Picture" of Calculus overview. I really enjoy his starting with how calculus is a mapping between

I think Gilbert Strang at MIT does a great intro with his "Big Picture" of Calculus overview. I really enjoy his starting with how calculus is a mapping between two related functions without getting into the mechanics of calculating them until later. https://www.youtube.com/watch?v=UcWsDwg1XwM https://www.youtube.com/watch?v=UcWsDwg1XwM