📐 Математика
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Калькулятор изменения в процентах
Calculate percentage increase or decrease between two values.
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Калькулятор дробей
Add, subtract, multiply, and divide fractions with automatic simplification.
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Калькулятор квадратных уравнений
Solve quadratic equations ax²+bx+c=0 and find real or complex roots.
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Калькулятор среднего
Calculate mean, median, mode, sum, and count for a set of numbers.