Education
(123,345 ratings)
Bug fixes and performance improvements.
Spend an afternoon brushing up on statistics. Discover how the Krebs cycle works. Learn about the fundamentals of music notation. Get a head start on next semester's geometry fundamentals. Prepare for the SAT, GMAT, LSAT, MCAT, NCLEX-RN, and AP exams. Or, if you're feeling particularly adventurous, learn how fire-stick farming changes the landscape of Australia.
Whether you're a student, teacher, homeschooler, principal, adult returning to the classroom after 20 years, or a friendly alien trying to get a leg up in earthly biology — Khan Academy's learning library is available to you, for free.
- Learn anything, for free: Thousands of interactive exercises, videos, and articles at your fingertips. Study math, science, economics, finance, grammar, history, government, politics, and much, much more.
- Sharpen your skills: Practice exercises, quizzes, and tests with instant feedback and step-by-step hints. Follow along with what you're learning in school, or practice at your own pace.
- Keep learning when you're offline: Bookmark and download your favorite content to watch videos without an internet connection.
- Pick up where you left off: Your learning syncs with khanacademy.org, so your progress is always up-to-date.
Learn using videos, interactive exercises, and in-depth articles in math (arithmetic, pre-algebra, algebra, geometry, trigonometry, statistics, calculus, linear algebra), science (biology, chemistry, physics), economics (microeconomics, macroeconomics), humanities (art history, civics, finance, US history, US government and politics, world history), and more (including computer science principles)!
Khan Academy is a 501(c)(3) nonprofit organization, with the mission of providing a free, world-class education for anyone, anywhere.
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This release comes in several variants (we currently have 5). Consult our handy FAQ to see which download is right for you.

Variant
Arch
Version
DPI
1322 BUNDLEAPK bundle with base APK and 2 splits 2 SAPK bundle with base APK and 2 splits
April 2, 2020
armeabi-v7a
Android 4.4+
320dpi
1322 APK
April 3, 2020
armeabi-v7a
Android 4.4+
nodpi
1322 APK
April 3, 2020
arm64-v8a
Android 4.4+
nodpi
1322 APK
April 3, 2020
x86
Android 4.4+
nodpi
1322 APK
April 3, 2020
x86_64
Android 4.4+
nodpi
All Releases
March 9, 2020
February 5, 2020
February 4, 2020
December 14, 2019
November 7, 2019
October 10, 2019
October 2, 2019
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