42 calculators
Math & Algebra
Fractions, percentages, algebra, and geometry.
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All math & algebra calculators
Scientific CalculatorPerform advanced mathematical operations.Percentage CalculatorCalculate percentages and percentage change.Fraction CalculatorAdd, subtract, multiply, and divide fractions.Volume CalculatorCalculate volume of common 3D shapes.Standard DeviationCalculate Standard Deviation and Variance.Mean, Median, ModeCalculate the Mean, Median, Mode, and Range of a data set.Random NumberGenerate a random integer between a min and max range.Number SequenceFind the Nth term and Sum of Arithmetic and Geometric sequences.Percent ErrorCalculate percent error between experimental and theoretical values.Exponent CalculatorCalculate base raised to the power of exponent (x^y).Number BaseConvert Decimal numbers to Binary, Hexadecimal, and Octal.Half-Life CalculatorCalculate remaining quantity after radioactive decay.Quadratic SolverSolve quadratic equations (ax² + bx + c = 0).Slope CalculatorCalculate slope and equation of a line.Log CalculatorCalculate logarithms with any base (log, ln).Area CalculatorCalculate the area of common geometric shapes.Sample SizeCalculate required sample size for a survey.Probability CalculatorCalculate probability of single or multiple events.Permutation & CombinationCalculate Permutations (nPr) and Combinations (nCr).Z-Score CalculatorCalculate Z-score from raw score, mean, and standard deviation.Confidence IntervalCalculate the confidence interval for a sample mean.Ratio CalculatorSolve for X in ratios (A:B = C:D).Distance CalculatorCalculate Euclidean distance between two points.Circle CalculatorCalculate Area, Circumference, and Diameter from Radius.Surface AreaCalculate surface area of 3D shapes.Right TriangleCalculate sides, angles, and area of a right triangle.Triangle CalculatorCalculate Area and Perimeter of any triangle given 3 sides.Root CalculatorCalculate the Nth root of a number.GCD & LCMFind Greatest Common Divisor and Least Common Multiple.Factor CalculatorFind all factors (divisors) of a number.Rounding CalculatorRound numbers to specific decimals or places.Matrix CalculatorCalculate the determinant and inverse of 2x2 and 3x3 matrices.Scientific NotationFormat numbers in scientific notation and standard decimal form.Big Number CalculatorPerform arithmetic on very large integers.Prime FactorizationFind the prime factors of an integer.Long DivisionCalculate Quotient and Remainder for integer division.P-Value CalculatorCalculate P-value from Z-score for hypothesis testing.Dice RollerRoll virtual dice (D6, D20, etc) for games.Density CalculatorCalculate Density, Mass, or Volume.Molarity CalculatorCalculate Molarity (M), Moles, or Volume.Molecular WeightCalculate Molar Mass from chemical formula.Roman NumeralsConvert between Roman Numerals and Numbers.