This definitely depends on the country. There’s a reasonable amount of calculus in high school (strictly sixth form) mathematics in the U.K. The things one tend

This definitely depends on the country. There’s a reasonable amount of calculus in high school (strictly sixth form) mathematics in the U.K. The things one tends to see in university begin with (abstract) algebra and analysis with some “calculus” topics being things like vector calculus, more generic R^n->R^m calculus and contour integration.