Categories of forums
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Pre-algebra, algebra and advanced algebra. Equations and inequalities, systems, percents, identities, fractions, sequences and series, exponents, functions, logarithms.
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Trigonometric functions: sine, cosine, tangent, cotangent. Trigonometric equations and inequalities, graphing, identities, reduction. Reverse functions.
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Points, lines and angles. Plane figures (triangles, quadrilaterals, circles, polygons) and 3D figures (cones, cubes, cylinders, pyramids, prisms). Similarities.
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Basic and more complex algebra-based probabilities. Combinatorics: factorials, permutations, combinations, trees of opportunities. Statistics.
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Limits of functions, infinity, continuity, sequences, ordinary and partial derivatives, indefinite and definite integrals, advanced functions and their families. Vectors.
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Advanced algebra, calculus, geometry, probability and statistics, analysis, differential equations, discrete and business mathematics, number theory.
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Mathematical contests and olympiads for all grades. Section for more complex, logical tasks, problems and questions. Math marathon.
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Physics, chemistry, biology, earth, astronomy, microbiology, anatomy, physiology and other nature sciences. Problems based on these sections
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Literature, software, calculators, exams, useful resources, links, learning questions and other topics that are not relevant to other categories.
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Project news, updates, important information and instructions, sggestions and comments, help for using website and bug fixes.