Khan Academy

Description

You can learn anything. Free.

Spend an afternoon learning a little about statistics, discover how the Krebs cycle works, get a head start on learning the basics of geometry for the next semester, prepare for the university entrance exam, or, if you're looking for a new challenge, learn how bushfire agriculture has changed the landscape of Australia.

Whether you're a student, a teacher, a homeschooler, a school principal, an adult returning to school after 20 years, or a friendly alien trying to understand Earth's biology, Khan Academy's personalized learning library is available to you at no cost.

– Learn anything for free: thousands of interactive exercises, videos and articles in the palm of your hand. Study math, science, economics, finance, grammar, history, politics and much, much more.

– Hone your skills: Practice by doing exercises and quizzes with instant feedback and step-by-step tips. Follow the content you are learning at school or practice at your own pace.

– Keep learning, even offline: bookmark the content you like most and download it to watch videos without being connected to the Internet.

– Pick up where you left off: Our mastery system personalizes content to your learning level and gives you instant feedback and recommendations on which videos and skills you should practice next. If you choose to create a free account, your learning is synchronized with khanacademy.org, so your progress is always up to date on all your devices.

Learn through videos, interactive exercises, and in-depth articles about math (arithmetic, pre-algebra, algebra, geometry, trigonometry, statistics, calculus, differential equation, linear algebra), science (biology, chemistry, physics), economics (microeconomics, macroeconomics, finance, and capital markets), humanities (art history, civics, finance, US history, US politics, and world history), and much more (including computer science principles)!

Already familiar with the Khan Academy website? Not all website features are available in this application. Community discussions, computer programming content, test prep content, parent tools, teacher tools, and school district tools should be accessed directly at http://khanacademy.org.

Khan Academy is a non-profit organization with a mission to provide free, high-quality education to anyone, anywhere.