[david38]

Youtube

[sincerely]

About as helpful an answer as “book”

[mindcrime]

https://www.youtube.com/playlist?list=PLF797E961509B4EB5

https://www.youtube.com/playlist?list=PLDesaqWTN6EQ2J4vgsN1H...

https://www.youtube.com/playlist?list=PLDesaqWTN6ESk16YRmzuJ...

[yoyohello13]

I do unironically think the simplest method to learn calculus is to go through a college level textbook. They are usually pretty accessible.