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Math

Percentages, ratios and calculations

Circle Calculator

Calculate area, circumference and circle sectors

Percentage Calculator

Calculate percentage values, percentages and percentage changes

Power Calculator

Calculate powers, roots and logarithms

Pythagorean Theorem

Calculate the missing side of a right triangle

Quadratic Equation

Solve ax² + bx + c = 0 using the quadratic formula

Rule of Three Calculator

Solve proportional reasoning: If A relates to B, then C relates to X

Speed Calculator

Calculate speed, time or distance