All Categories
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Math Calculators
Algebra, geometry, and number calculators
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Quadratic Equation Solver
Solve quadratic equations of the form ax² + bx + c = 0.
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Pythagorean Theorem
Calculate the hypotenuse of a right triangle.
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Triangle Area Calculator
Calculate the area of a triangle.
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Exponent Calculator
Calculate the power of a number (base^exponent).
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GCD & LCM Calculator
Calculate Greatest Common Divisor and Least Common Multiple.
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Percentage Calculator
Calculate what percentage one number is of another.
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Fraction to Decimal
Convert a fraction to its decimal equivalent.
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Circle Calculator
Calculate circumference and area of a circle.
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Length Unit Converter
Convert between different length units.
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Average Calculator
Calculate the average of multiple numbers (sum/count).
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Test Grade Calculator
Calculate test percentage based on correct and total questions.
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Circumference Calculator
Calculate the circumference of a circle from radius.
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90 Day Calculator
Add 90 days to a starting day number.
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30 Day Calculator
Add 30 days to a starting day number.
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