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Khan Academy

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Khan Academy Kids

Get out free, award-winning app for kids ages 2-7.

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Math

Science

Math

Basic geometry

Pre-algebra

Algebra basics

Algebra 1

High school geometry

Algebra 2

Trigonometry

Statistics and probability

Math

Physics

Chemistry

Biology

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About the team

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Privacy policy

Licenses

Khan Academy 7.1.0 (1713)

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Welcome

A world class education for anyone, anywhere, 100% free.

We'll keep your progress in sync no matter what phone, device, or computer you're using.

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Download Settings

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Items will not automatically download when you bookmark them.

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Downloads will only occur if you're connected to Wi-Fi.

Prefer HD-quality downloads

Videos will be downloaded in the smaller, lower-quality format.

About the team

Our Engineers

Bryan
Hannah
Jared
Jeremy
Lilli
Nick

Our Interns

Stanley

Our Quality Engineers

Boris
Hung
Mita
Robert

Our Designers

Raph
Jeff

Our Internationalization Team

Anna
Caroline

Our Product Managers

Ankita
Susan

Our Managers

Shawn
Six
Sujata

Licenses

Copyright |YEAR|  |COPYRIGHT HOLDER|

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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