Nothing can replace a teacher, much less a good one, but I recently stumbled upon an introduction book on calculus from 1910 (yes last century) that had a reall

Nothing can replace a teacher, much less a good one, but I recently stumbled upon an introduction book on calculus from 1910 (yes last century) that had a really nice way to explain things. I just read the beginning so I don't know how far it goes but anyway here the link https://calculusmadeeasy.org/ https://calculusmadeeasy.org/