Calculadoras de matemática
Resolva problemas de matemática mais rápido. De simples porcentagens a funções científicas, estatística e equações, tudo no navegador.
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As 43 ferramentas de Matemática
Matemática do dia a dia11
Porcentagens, frações, raízes e arredondamento.
- Scientific CalculatorTopFree online scientific calculator with sin, cos, log, exp, factorial and more
- Percentage CalculatorTopCalculate percent of, percent change, percent increase, decrease, and…
- Fraction CalculatorAdd, subtract, multiply and divide fractions
- Percent Error CalculatorCalculate percent error between an experimental and theoretical value
- Ratio CalculatorSimplify, scale and convert ratios
- Rounding CalculatorRound numbers to any decimal place
- Exponent CalculatorCalculate any base raised to any power, including negative and fractional…
- Root CalculatorCalculate square root, cube root and any nth root of a number
- Log CalculatorCalculate log, ln, log base 2 and any custom base
- Scientific Notation CalculatorConvert any number to and from scientific notation, with custom precision and…
- Big Number CalculatorArithmetic on numbers with hundreds of digits using BigInt - no precision loss
Álgebra e números9
Equações, fatores, bases e matrizes.
- Quadratic Equation SolverSolve any quadratic equation ax² + bx + c = 0 with real or complex roots
- Factor CalculatorFind all factors and the prime factorisation of any positive integer
- LCM CalculatorFind the Least Common Multiple of two or more numbers using prime…
- GCF CalculatorFind the Greatest Common Factor (HCF / GCD) of two or more numbers
- Permutation & Combination CalculatorCompute nPr and nCr instantly
- Number Sequence CalculatorGenerate arithmetic, geometric and Fibonacci sequences with sum and nth-term…
- Binary CalculatorAdd, subtract, multiply and divide binary numbers
- Hex CalculatorAdd, subtract, multiply and divide hexadecimal numbers
- Matrix CalculatorAdd, subtract, multiply, transpose, find determinant and inverse for matrices…
Estatística e probabilidade7
Médias, dispersão, chances e confiança.
- Statistics CalculatorMean, median, mode, range, variance, standard deviation
- Probability CalculatorCalculate single and multiple event probability, with AND, OR, complement and…
- Standard Deviation CalculatorCompute population and sample standard deviation, variance, mean and full…
- Mean, Median, Mode CalculatorTopCalculate mean, median, mode and range of any list of numbers in one click
- Z-score CalculatorCalculate the z-score (standard score) and the corresponding probability from…
- Confidence Interval CalculatorCompute confidence intervals for a population mean using z-distribution
- Sample Size CalculatorCalculate the sample size needed for a survey at any margin of error and…
Geometria9
Formas, áreas, volumes e distâncias.
- Triangle CalculatorSolve any triangle from three sides - find area, angles and perimeter
- Right Triangle CalculatorSolve a right triangle - find hypotenuse, legs, area, perimeter and angles
- Pythagorean Theorem CalculatorTopSolve a² + b² = c²
- Circle CalculatorFrom radius, diameter, area or circumference - solve all circle properties at…
- Area CalculatorTopCompute area for circle, square, rectangle, triangle, trapezoid,…
- Volume CalculatorCompute volume for cube, sphere, cylinder, cone, pyramid and rectangular prism
- Surface Area CalculatorCompute surface area for cube, sphere, cylinder, cone and rectangular prism
- Distance CalculatorCalculate the distance between two points in 2D or 3D space using the…
- Slope CalculatorCalculate the slope of a line through two points, plus y-intercept, equation…
Ciência e física7
Densidade, massa, velocidade e química.
- Half-Life CalculatorCalculate radioactive decay using half-life
- Density CalculatorCalculate density, mass or volume from the other two values, with common…
- Mass CalculatorCalculate mass from density and volume, or from force and acceleration…
- Weight Calculator (Physics)Calculate your weight on Earth, the Moon, Mars, Jupiter and other worlds from…
- Speed CalculatorCalculate speed, distance or time from the other two, with km/h, mph, m/s and…
- Molarity CalculatorCalculate molarity, moles or the mass of solute needed to make a solution of…
- Molecular Weight CalculatorEnter a chemical formula like H2O, Ca(OH)2 or CuSO4.5H2O to get its molar…