If you're seeing this message, it means we're having trouble loading external resources on our website.
Om du är bakom en brandvägg eller liknande filter, vänligen se till att domänerna *. kastatic.org och *. kasandbox.org inte är blockerade.
With our iOS and Android apps, you can learn anything on just-about any device! They’re all 100% free, with no in-app purchases or subscriptions.
Download videos for offline viewing, try our massive library of interactive exercises, bookmark things to study later, and complete assignments from your classes! Your progress stays in-sync with your Khan Academy account.
Free for all learners.
Khan Academy is a non-profit, with a mission to provide a world-class education for any learner, anywhere.
Master thousands of skills.
Our mastery system, featuring thousands of interactive exercises, is easy to use in the app.
Keep going, keep growing.
Your progress in the app is kept in-sync with your progress on our website!
Keep learning, even offline.
Download any video from our library, so you can watch it even when you don’t have an internet connection.
Keep up with your classes.
If you’re enrolled in a class on Khan Academy, you'll see your assignments, course-mastery goals, and more.
No paper? No problem.
Our interactive exercises have a lightweight scratchpad to help you doodle your way through.
Inspire a lifetime of learning and discovery with our free, fun educational program for children ages two to eight.
If you need to use Khan Academy in an environment without internet, consider using Kolibri, an ed-tech platform created by Learning Equality that allows for Khan Academy videos and exercises to be used offline.
Dessa kalkylblad används som exempel i några Khan Academy-videor. Ladda ned och arbeta med dem medans du tittar.