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Complete circuit calculator: resistor color codes, SMD codes & engineering tools
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Formulas for math, physics, chemistry, and much more!
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3D interactive planetarium
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A map of stars, planets, meteor showers, galaxies and nebulae.
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iDoctus: Avoid mistakes and save time in your daily practice.
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Your astronomy app: Info on the astronomical objects in our solar system
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This fact-filled, image-rich app is the only periodic table you need.
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Want to review chemical Named Reactions, their mechanism and concrete examples?
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Learn more in less time, objective and didactic content.
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Learn basic phenomena of quantum physics and test your knowledge!
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Discover fun, interesting, and curious facts every day!
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VoltLab — interactive electricity & circuits: simulations, lessons, tests.
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Quiz & Answers, Seek Nature, Botany, Zoology, Science, Amino Acid, Cells, bio
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Learn the basics of HTML language with easy notes and well explained codes.
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Advanced Astronomy Forecasting for North American Astronomers
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All you want to know about of Minerals!
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The Pavlok app lets you win back your focus.
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Japanese reading and listening practice at just the right level.
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Calculus Study App - Lessons, Quizzes, Flashcards, Glossaries
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Over 200 reactions and their detailed mechanism in organic chemistry