Mathematics and statistics tools

Angle ConverterConverts degrees to radians and decimal degrees to degrees-minutes-seconds. Free. Area CalculatorArea of ​​circle, triangle, square, rectangle, polygon. Instant formulas and results. Free. Average and Mean CalculatorCalculates arithmetic mean, median and mode of a list of numbers. For notes and statistics. Free. Circle Area CalculatorCalculate the area, circumference (perimeter), and diameter of a circle from the radius. Free online. Degrees to Radians ConverterConvert angles between degrees, radians and gradians instantly. For trigonometry. Free online. Distance Calculator between Two PointsCalculate the distance between two points in 2D or 3D with the Euclidean distance formula. Free online. Factorial CalculatorCalculate the factorial of a number (n!). For combinatorics and mathematics. Free online. Fraction to Decimal ConverterConvert fractions to decimals and decimals to simplified fractions instantly. Free online. Fractions CalculatorAdd, subtract, multiply and divide fractions online and obtain the simplified and decimal result. Free and ste… GCD and LCM CalculatorCalculates the greatest common factor (GCD) and least common multiple (LCM) of several numbers. Free online. Line Slope CalculatorCalculate the slope, distance and midpoint between two points on a line. Free analytical geometry. Linear Equations CalculatorSolve linear equations of the form ax + b = cx + d and obtain the value of x. Free online. Logarithms CalculatorLogarithm to base 10, natural (ln) or any base. Free online. Mean, Median and Mode CalculatorCalculates the mean, median, mode, sum, and number of values ​​in a data set. Free statistics. Number CounterCounts digits, even, odd and sum of a list of numbers. For quick statistics. Free. Percentage CalculatorCalculate percentages: what is X% of Y, what percentage is A of B, percentage increase or decrease. Fast and f… Percentage Change CalculatorCalculates the percentage increase or decrease between two values ​​and the absolute difference. Free online. Percentile CalculatorCalculates percentiles of a series of numbers. P50, P90, P95. Useful for statistics and data analysis. Free on… Perimeter CalculatorCalculate the perimeter of a square, rectangle, circle or triangle quickly. Free online. Permutations and Combinations CalculatorCalculates permutations (nPr) and combinations (nCr) of n elements taken from r in r. Free Combinatorics. Power CalculatorCalculate X raised to Y. Powers and exponents. Free for students. Prime Number CheckerCheck if a number is prime and obtain its factorization into prime factors. Free online. Probability CalculatorCalculates the probability of an event from the favorable and possible cases, in percentage, decimal and fract… Pythagorean Theorem CalculatorCalculate the hypotenuse or one leg of a right triangle with the Pythagorean theorem. Free online. Rule of Three CalculatorSolve simple and compound rules of three instantly. Proportions and percentages. Free and easy. Scientific CalculatorFree online scientific calculator: sines, cosines, logarithms, roots, powers and constants (pi, e). Write the … Scientific Notation ConverterConvert any number to scientific notation, E notation and decimal. For science and engineering. Free online. Second Grade Equation CalculatorSolve quadratic equations (ax²+bx+c=0). Real or complex roots. Step by step. Free. Speed, Distance and Time CalculatorCalculate speed, distance or time. Formula v = d/t. For physics and sports. Free online. Square Root CalculatorCalcula la raíz cuadrada de cualquier número. Exact or decimal result. Free online. Standard Deviation CalculatorCalculates standard deviation and variance of a list of numbers. Statistics. Free. Triangle Area CalculatorCalculate the area of ​​a triangle by base and height or by its three sides (Heron's formula). Free online. Volume CalculatorVolume of cube, sphere, cylinder, cone. Units in liters or cubic meters. Free online.