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> Index of every page on this site: [llms.txt](https://methodcalculator.com/llms.txt)

# **Math Calculators**

Quick, accurate math tools with step-by-step explanations so you can check your work or learn the method.

- [**Percentage Calculator**Solve any percentage problem: what is X% of Y, X is what percent of Y, and the percentage increase or decrease between two numbers.](https://methodcalculator.com/percentage-calculator)
- [**Fraction Calculator**Add, subtract, multiply and divide fractions. Results are shown simplified, as a mixed number and as a decimal, with the steps.](https://methodcalculator.com/fraction-calculator)
- [**Average Calculator**Calculate the mean, median, mode, range, sum, minimum and maximum of a list of numbers. Paste values separated by commas, spaces or new lines.](https://methodcalculator.com/average-calculator)
- [**Standard Deviation Calculator**Calculate sample and population standard deviation, variance, mean and sum of squares for a data set, with the formulas explained.](https://methodcalculator.com/standard-deviation-calculator)
- [**Ratio Calculator**Simplify a ratio, solve a proportion (A:B = C:D) for the missing value, or scale a ratio up or down.](https://methodcalculator.com/ratio-calculator)
- [**Pythagorean Theorem Calculator**Find the missing side of a right triangle with the Pythagorean theorem a² + b² = c². Also shows the area, perimeter and angles.](https://methodcalculator.com/pythagorean-theorem-calculator)
- [**Area Calculator**Calculate the area of a rectangle, triangle, circle, trapezoid, ellipse or parallelogram in any unit, with the formula for each shape.](https://methodcalculator.com/area-calculator)
- [**Quadratic Equation Calculator**Solve ax² + bx + c = 0 with the quadratic formula. Shows the discriminant, real or complex roots, the vertex and every step of the working.](https://methodcalculator.com/quadratic-equation-calculator)
- [**GCF and LCM Calculator**Find the greatest common factor and least common multiple of two or more numbers, with the prime factorization and the Euclidean algorithm steps.](https://methodcalculator.com/gcf-lcm-calculator)
- [**Prime Factorization Calculator**Break any number into its prime factors, check whether it is prime, and list all of its divisors with the step-by-step factor tree.](https://methodcalculator.com/prime-factorization-calculator)
- [**Permutation and Combination Calculator**Calculate permutations (nPr) and combinations (nCr) with or without repetition, plus factorials, with exact results and the formulas explained.](https://methodcalculator.com/permutation-combination-calculator)
- [**Slope Calculator**Find the slope of a line from two points, plus the distance, midpoint, angle, y-intercept and the equation of the line in slope-intercept form.](https://methodcalculator.com/slope-calculator)
- [**Volume Calculator**Calculate the volume of a cube, box, cylinder, sphere, cone or pyramid in any unit, with the result also shown in liters and gallons.](https://methodcalculator.com/volume-calculator)
- [**Exponent Calculator**Raise any base to any power, including negative and fractional exponents, or find square, cube and nth roots. Results in plain and scientific notation.](https://methodcalculator.com/exponent-calculator)

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## Sitemap

See the full [sitemap](https://methodcalculator.com/sitemap.md) for all pages.