Ключевые слова: abstract, algebra, algorithm, animation, background, bg, blackboard, blue, chemistry, complex, concept, data, design, drawn, equation, expression, flicker, floating, flying, formula, formulas, function, geometry, glow, handwriting, illustration, information, learn, lesson, limit, math, mathematical, mathematics, number, pattern, physics, problem, research, science, scientific, sequence, shine, sign, space, study, studying, symbol, technology, theory, university,