Calculus Made Easy (1910)
The beginning calculus book for me is Gilbert Strang's Calculus.<p><a href="https://ocw.mit.edu/ans7870/resources/Strang/Edited/Calculus/Calculus.pdf" rel="nofollow">https://ocw.mit.edu/ans7870/resources/Strang/Edited/Calculus...</a><p>Calculus Made Easy seems too dumbed down to me.