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Learn anything you need!
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Discover the magic of the runes with the runic formulas, amulets and symbols
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Analogy quiz to test your reasoning and logical ability
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Calculate and enumerate permutations, combinations, ...
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An easy and convenient guide to physics will help prepare for the exam and exam
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Precalculus full-length, timed practice tests, diagnostic exams, and flashcards
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Navigate inside the body to learn Human Anatomy in immersive virtual reality.
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Educational physics app containing notes and equations on 30 subjects
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Quiz yourself on 500+ topics: geography, anatomy, biology, chemistry & more!
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Introductory Statistics TextBook by OpenStax & MCQ, Essay Questions & Key Terms
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Teach yourself A-Level Pure Mathematics with this simplified textbook.
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Geometry full-length, timed practice tests, diagnostic exams, and flashcards
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Easy to use reading tracker and book log. Create reading lists and reading goals
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ACT practice tests and flashcards in Math, Science, English, Reading and Writing
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Free reference book on school-level Algebra with formulas, definitions & quizes.
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Portuguese/English I-Ching reference/oracle (Richard Wilhelm translation)
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University Physics Volume 3 Textbook & MCQ & Key Terms by OpenStax
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Pre-Algebra full-length, timed practice tests, diagnostic exams, and flashcards
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A flexible way of working on your math skills any time you feel like it.
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Simplified Pure Math notes and an Interactive Math Quiz
