Feynman Lectures are incredible and available for free! I actually first learned about calculus from this chapter :) https://www.feynmanlectures.caltech.edu/I

Feynman Lectures are incredible and available for free! I actually first learned about calculus from this chapter :) https://www.feynmanlectures.caltech.edu/I_08.html https://www.feynmanlectures.caltech.edu/I_08.html