Maths
Outils mathématiques : conversion de bases, nombres aléatoires et plus
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📐 Maths · Total 53 outils
Solveur du jeu du 2424 game: create 4 numbers to make 24 with solutions and hints, multi-difficulty and timer for math and brain training, with one-click copy, offline.
Calculateur de suite arithmétiqueCalculate the nth term and sum of an arithmetic series. Calculates sum, nth term and average for arithmetic series. Supports batch processing and one-click copy.
Calculatrice binaireBinary calculator: support binary add subtract multiply divide and bitwise with decimal view for learning and dev, with one-click copy, offline.
Calculateur de cercleCircle calculator: calculate area, circumference and diameter from radius, diameter or circumference for learning, with one-click copy and offline.
Calculateur de nombres complexesComplex number calculator: add, subtract, multiply and divide complex numbers with magnitude and conjugate, showing a+bi with polar view for math, one-click copy.
Calculateur d'intervalle de confianceConfidence interval calculator: calculate interval from sample mean and size at 90/95/99% for statistics, with one-click copy and offline.
Calculateur de coefficient de corrélationCorrelation coefficient: enter two datasets to get Pearson and Spearman with significance, scatter plot and regression for analysis.
Calculateur décimal vers fractionDecimal to fraction converter: convert decimals to simplest fractions and mixed numbers with repeating detection for math, with one-click copy and offline.
Calculateur de dilutionDilution calculator: calculate stock volume and solvent by C1V1=C2V2 with molarity and percent for lab and reagent preparation.
Calculateur de distance entre pointsDistance between points: enter two points to get straight distance, midpoint and slope in 2D and 3D with unit conversion for math and surveying.
Calculatrice de factorielleFactorial calculator: calculate n! with digit count supporting 0-170 using scientific notation for larger with tips for math, with one-click copy and offline.
Calculateur de suite de FibonacciFibonacci calculator: generate sequence, get Nth term and sum by count with fast matrix and big integers for math and algorithms.
Calculateur fraction vers décimal et pourcentageFraction to decimal converter: convert numerator and denominator to decimal and percentage with repeating detection for math, with one-click copy and offline.
Calculatrice PGCD / PPCMGCD and LCM calculator: enter multiple integers to get GCD and LCM with steps for math study. Supports batch processing and one-click copy.
PGCD et PPCMGCF and LCM calculator: quickly get greatest common factor and least common multiple for multiple integers with fraction simplification for teaching.
Calculateur de moyenne géométriqueGeometric mean calculator: enter values to get geometric mean, product and log average for growth rates and exponential averages.
Calculateur de moyenne harmoniqueHarmonic mean calculator: enter values to get harmonic mean and reciprocal average for rate averaging and finance. Supports batch processing and one-click copy.
Calculateur de distance par coordonnéesHaversine distance calculator: calculate great-circle distance from two coordinates for travel, with one-click copy and offline.
Calculatrice hexadécimaleHex calculator: add, subtract, multiply and divide hex with decimal conversion and bitwise ops for programming and embedded.
Solveur d'équations linéairesLinear equation solver: solve one-variable and 2-variable linear systems by entering coefficients with steps and graph help for math study.
Calculateur de régression linéaireLinear regression: enter two datasets to get regression equation, slope, intercept and R² with scatter plot for stats. Supports batch processing and one-click copy.
Calculateur de logarithmesLog calculator: get common, natural and any-base logarithms with change-of-base and steps for math study. Supports batch processing and one-click copy.
Calculateur de marge d'erreurMargin of error calculator: computes error margin and confidence interval by sample size and confidence. Supports batch processing, export and one-click copy.
Calculateur de matricesMatrix calculator: compute determinant, inverse and transpose for 2x2 and 3x3 matrices with step-by-step results for linear algebra, with one-click copy and offline.
Calculateur de médiane et modeMedian and mode calculator: enter values to get median, mode, mean and range for statistics study. Supports batch processing and one-click copy.
Calculateur de milieuMidpoint calculator: enter two points to get midpoint, distance and slope in 2D and 3D for math and surveying. Supports batch processing and one-click copy.
Calculateur d'arithmétique modulaireMod calculator: get remainder by dividend and divisor with big integers and negatives for programming and number theory Supports batch processing and one-click copy.
Calculateur de masse molaireMolar mass calculator: enter chemical formula to get molar mass, element percent and mole conversion with brackets and hydrates for chemistry.
Calculateur de distribution normaleNormal distribution calculator: enter mean, std and interval to get PDF, CDF and quantiles with chart for stats and data analysis, with offline copy and history.
Calculatrice de racine nièmeNth root calculator: compute nth roots with power check for fractions and negatives for math and engineering, with one-click copy, offline and history.
Calculateur de variation en pourcentagePercentage change calculator: calculate increase or decrease percent from original and new values for price comparison, with one-click copy and offline.
Calculatrice de différence en pourcentagePercentage difference calculator: get absolute and percentage difference from two numbers with formula for comparison, with one-click copy, offline and history.
Calculateur d'erreur en pourcentagePercentage error calculator: get absolute and percent error from true and measured values with formula for lab validation, with one-click copy, offline and history.
Calculatrice de permutations et combinaisonsPermutation and combination calculator: calculate P(n,r) and C(n,r) from total and pick count with formulas for math, with one-click copy and offline.
Calculateur d'aire de polygone régulierPolygon area calculator: calculate area and perimeter from sides and length with visualization for geometry, with one-click copy and offline.
Vérificateur de nombres premiersPrime checker: test if number is prime with factors and steps for large and bulk numbers for math, with one-click copy, offline and multilingual.
Calculateur de décomposition en facteurs premiersPrime factorization: factor integer into primes with tree and exponential form for big numbers, with one-click copy, offline and history.
Générateur de nombres premiersPrime number generator: generate primes by range or count with filter, stats and export for research, with one-click copy, offline and multilingual.
Calculateur du théorème de PythagorePythagorean theorem calculator: enter two sides to get third side with formula, area and angles, right-angle check and diagram for math and with one-click copy,.
Solveur d'équation quadratiqueQuadratic equation solver: calculate discriminant, real roots, vertex and opening direction from coefficients with chart for math, with one-click copy and offline.
Calculatrice de ratiosRatio calculator: solve missing term from known ratios with cross-multiplication for recipes, scaling and allocation, with one-click copy, offline and multilingual.
Calculatrice d’arrondiRounding calculator: round to chosen decimal places up, down or half-up showing original and result for finance and statistics, with one-click copy and offline.
Calculateur de taille d'échantillonSample size calculator: estimate sample size from confidence and margin with correction for surveys, with one-click copy and offline.
Calculatrice en notation scientifiqueScientific notation calculator: add and multiply numbers in scientific notation with plain results for physics, with one-click copy and offline.
Convertisseur de notation scientifiqueScientific notation converter: convert between standard and scientific notation with significant figures and exponent for study and research, with with one-click.
Calculateur de suites arithmétiques et géométriquesSequence calculator: compute nth term and sum from first term and difference/ratio for math, with one-click copy and offline.
Calculateur de volume de formes 3D3D shape volume calculator: compute volume and surface area of cubes and cylinders for learning, with one-click copy and offline.
Calculateur de chiffres significatifsSignificant figures calculator: count sig figs and round to chosen digits with scientific notation for lab and homework, one-click copy and offline.
Calculateur de sphèreSphere calculator: calculate diameter, circumference, volume and surface area from radius for learning, with one-click copy and offline.
Calculateur d'écart typeStandard deviation calculator: get mean, variance and std dev from data list with visualization for statistics and teaching, with one-click copy, offline.
Calculateur d'aire de triangleTriangle area calculator: get area from base height, two sides angle or three sides with formula and diagram for math, with one-click copy, offline.
Calculateur de vecteursVector calculator: support add subtract, dot, cross and magnitude with visualization for math and physics, with one-click copy, offline.
Calculateur de score ZZ score calculator: get Z score from value, mean and std dev with probability and interpretation for statistics, with one-click copy, offline and multilingual.
FAQ
Qu'est-ce que la catégorie Maths ?
La catégorie Maths comprend 53 outils gratuits, tous dans le navigateur.
Ces outils sont-ils gratuits ?
Oui, tous gratuits et sans limite d'utilisation.
Faut-il s'inscrire ?
Non. Ouvrez la page et utilisez-la ; vos données restent locales.
Quelles langues sont prises en charge ?
This site supports 12 languages: Chinese, English, Japanese, Spanish, French, Portuguese, Arabic, Indonesian, Hindi, Thai, Vietnamese and Bengali.