Calculus 1 8 units · 171 skills Unit 1 Limits and continuity Unit 2 Derivatives: definition and basic rules Unit 3 Derivatives: chain rule and other advanced topics

Our mission is to provide a free, world-class education to anyone, anywhere.

Calculus 2 6 units · 105 skills Unit 1 Integrals review Unit 2 Integration techniques Unit 3 Differential equations

Learn AP®︎ Calculus AB concepts like limits, derivatives, and integrals to excel in the AP® test with Khan Academy's comprehensive resources.

Oops. Something went wrong. Please try again. Uh oh, it looks like we ran into an error. You need to refresh. If this problem persists, tell us.

To find it exactly, we can divide the area into infinite rectangles of infinitely small width and sum their areas—calculus is great for working with infinite things! This idea is actually quite rich, …

Khan Academy boosts scores! Learn with millions of people worldwide by exploring videos, tackling practice problems and getting AI-powered support.

With my limited knowledge of calculus, the Riemann sums seem pretty inefficient, since you'll always have some space not covered by the rectangles. Is there a way that you can get an …

The fundamental theorem of calculus shows how, in some sense, integration is the opposite of differentiation. Created by Sal Khan.

Learn multivariable calculus—derivatives and integrals of multivariable functions, application problems, and more.