Or, if you’re feeling particularly adventurous, learn how fire stick farming changed the landscape of Australia. Prepare for the upcoming SAT, GMAT, or MCAT. Learn about the fundamentals of music notation. Spend an afternoon brushing up on statistics. 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, and even the humanities with playlists on art history, civics, finance, and more. – Pick up where you left off: Your learning syncs between your Android and, so your progress is always up-to-date

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– You can learn anything – for free: Over 10,000 videos and explanations at your fingertips in math, science, economics, history, and much, much more – Sharpen your skills: over 40,000 interactive Common Core aligned practice questions are included with instant feedback and step-by-step hints. Khan Academy allows you to learn almost anything for free.

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