Math Calculators
Free math calculators and solvers for algebra, statistics, and geometry — built for students, teachers, engineers, and anyone who needs a quick, reliable answer.
Algebra & Numbers
- Scientific CalculatorFull scientific calculator with functions and memory of the display.
- Fraction CalculatorAdd, subtract, multiply, and divide fractions with steps.
- Percentage CalculatorPercent of a number, ratios, and percent change.
- Basic CalculatorA simple four-operation calculator.
- Long Division CalculatorLong division with step-by-step remainders.
- Average CalculatorMean of any list of numbers.
- Random Number GeneratorGenerate random integers in any range.
- Percent Error CalculatorCompare measured values to true values.
- Exponent CalculatorRaise any base to any power.
- Binary CalculatorArithmetic and conversion in binary and other bases.
- Hex CalculatorHexadecimal arithmetic and conversions.
- Half-Life CalculatorRadioactive decay and half-life problems.
- Quadratic Formula CalculatorSolve ax² + bx + c = 0 with steps.
- Log CalculatorLogarithms in any base.
- Ratio CalculatorSimplify ratios and solve proportions.
- Root CalculatorSquare, cube, and nth roots.
- LCM CalculatorLeast common multiple of several numbers.
- Greatest Common Factor CalculatorGCF of two or more integers.
- Prime Factorization CalculatorPrime factor trees for any integer.
- Common Factor CalculatorAll common factors of two integers.
- Factor CalculatorAll factors and prime factorization.
- Rounding CalculatorRound numbers to any place value.
- Matrix CalculatorDeterminant, inverse, multiply, and more.
- Scientific Notation CalculatorConvert and compute in scientific notation.
- Big Number CalculatorArithmetic on very large integers.
Statistics
- Standard Deviation CalculatorSample and population standard deviation and more.
- Number Sequence CalculatorArithmetic, geometric, and Fibonacci sequences.
- Sample Size CalculatorHow large a sample your survey needs.
- Probability CalculatorProbability of single and combined events.
- Statistics CalculatorFull descriptive statistics for a data set.
- Mean, Median, Mode, Range CalculatorCentral tendency and spread in one place.
- Permutation and Combination CalculatornPr and nCr with factorials shown.
- Z-score CalculatorStandardize a value and find its percentile.
- Confidence Interval CalculatorConfidence intervals for means and proportions.
- P-value CalculatorP-values from z, t, chi-square, or F statistics.
Geometry
- Triangle CalculatorSolve any triangle from three known values.
- Volume CalculatorVolume of common solids and shapes.
- Slope CalculatorSlope, angle, and distance between two points.
- Area CalculatorArea of common two-dimensional shapes.
- Distance CalculatorDistance in 2D and 3D coordinate space.
- Circle CalculatorRadius, diameter, circumference, and area.
- Surface Area CalculatorSurface area of solids.
- Pythagorean Theorem CalculatorSolve right triangles with a² + b² = c².
- Right Triangle CalculatorSolve right triangles from any two sides.
Advertisement