Avorqin Developer Tools
Math Tools
Avorqin's math tools help students, developers, professionals, and everyday users solve common calculations directly in the browser. Evaluate scientific expressions, work with fractions and statistics, calculate GCD and LCM, solve quadratic equations, analyze coordinate geometry, use the Pythagorean theorem, and generate random numbers.
114 tools in this collection. No account required.
Scientific Calculator
Evaluate scientific math expressions with powers, roots, logarithms, trigonometric functions, constants, and parentheses.
Open tool →Fraction Calculator
Add, subtract, multiply, or divide two fractions and get simplified, mixed-number, and decimal results.
Open tool →Standard Deviation Calculator
Calculate population or sample standard deviation, variance, mean, and count from a list of numbers.
Open tool →Mean Median Mode Calculator
Calculate mean, median, mode, range, minimum, maximum, and count for a list of numbers.
Open tool →GCD Calculator
Find the greatest common divisor of two or more whole numbers.
Open tool →LCM Calculator
Find the least common multiple of two or more whole numbers.
Open tool →Quadratic Formula Calculator
Solve quadratic equations and calculate roots, discriminant, and vertex from coefficients a, b, and c.
Open tool →Slope Calculator
Calculate the slope between two coordinate points using x₁, y₁, x₂, and y₂.
Open tool →Midpoint Calculator
Calculate the midpoint between two points on a coordinate plane.
Open tool →Distance Formula Calculator
Calculate the straight-line distance between two coordinate points.
Open tool →Pythagorean Theorem Calculator
Calculate the hypotenuse of a right triangle from the lengths of the other two sides.
Open tool →Random Number Generator
Generate one or more random numbers within a custom range using whole-number or decimal output.
Open tool →Prime Number Checker
Check whether a whole number is prime and see the first divisor when it is composite.
Open tool →Prime Factorization Calculator
Find the prime factorization of a positive whole number.
Open tool →Percentage Error Calculator
Calculate absolute error and percentage error from an observed value and a true or accepted value.
Open tool →Permutation Calculator
Calculate the number of ordered selections nPr using exact whole-number arithmetic.
Open tool →Combination Calculator
Calculate the number of unordered selections nCr using exact whole-number arithmetic.
Open tool →Probability Calculator
Calculate probability, percentage, and simple odds from favorable and total outcomes.
Open tool →Z Score Calculator
Calculate a z-score from a value, population mean, and standard deviation.
Open tool →Weighted Average Calculator
Calculate a weighted average from comma-separated values and corresponding weights.
Open tool →Geometric Mean Calculator
Calculate the geometric mean of positive numeric values.
Open tool →Harmonic Mean Calculator
Calculate the harmonic mean of non-zero numeric values.
Open tool →Triangle Calculator
Calculate triangle perimeter, area, and angles from three side lengths.
Open tool →Circle Calculator
Calculate a circle diameter, circumference, and area from its radius.
Open tool →Rectangle Calculator
Calculate rectangle area, perimeter, and diagonal from length and width.
Open tool →Cylinder Volume Calculator
Calculate cylinder volume, lateral area, and total surface area from radius and height.
Open tool →Sphere Volume Calculator
Calculate sphere volume, surface area, and diameter from radius.
Open tool →Cone Volume Calculator
Calculate cone volume, slant height, lateral area, and total surface area from radius and height.
Open tool →Ohm's Law Calculator
Calculate voltage, current, resistance, or power using common Ohm’s law relationships.
Open tool →Voltage Divider Calculator
Calculate output voltage and resistor currents for a basic two-resistor voltage divider.
Open tool →Resistor Color Code Calculator
Decode a four-band resistor color code into resistance and tolerance.
Open tool →LED Resistor Calculator
Calculate a suggested series resistor and resistor power for one or more LEDs.
Open tool →Matrix Determinant Calculator
Calculate the determinant of a 3×3 matrix.
Open tool →Matrix Multiplication Calculator
Multiply two 2×2 matrices and display the resulting matrix.
Open tool →Matrix Inverse Calculator
Calculate the inverse of a nonsingular 2×2 matrix.
Open tool →Linear Equation Solver
Solve a linear equation in the form ax + b = c.
Open tool →System of Equations Solver
Solve a two-variable system of two linear equations.
Open tool →Logarithm Calculator
Calculate a logarithm for any positive value and valid base.
Open tool →Exponent Calculator
Raise a base to a selected exponent.
Open tool →Square Root Calculator
Calculate the principal square root of a nonnegative number.
Open tool →Cube Root Calculator
Calculate the real cube root of a number.
Open tool →Factorial Calculator
Calculate n factorial for whole numbers from 0 through 170.
Open tool →Modulo Calculator
Calculate a normalized modulo result for two numbers.
Open tool →Remainder Calculator
Calculate the arithmetic remainder after division.
Open tool →Proportion Calculator
Solve a proportion in the form a divided by b equals c divided by x.
Open tool →Decimal to Fraction Calculator
Convert a decimal number to a simplified fraction.
Open tool →Mixed Number Calculator
Convert an improper fraction to a simplified mixed number.
Open tool →Fraction Simplifier
Reduce a fraction to lowest terms.
Open tool →Percent Difference Calculator
Calculate percent difference between two values.
Open tool →Quartile Calculator
Calculate first quartile, median, and third quartile from a data set.
Open tool →Interquartile Range Calculator
Calculate the interquartile range from a numerical data set.
Open tool →Ratio to Percentage Calculator
Convert a ratio or fraction to a percentage.
Open tool →Linear Interpolation Calculator
Estimate y for an x value between two known points.
Open tool →Standard Error Calculator
Calculate standard error from standard deviation and sample size.
Open tool →Variance Calculator
Calculate population or sample variance from a numerical data set.
Open tool →Coefficient of Variation Calculator
Calculate coefficient of variation from a numerical data set.
Open tool →Range Calculator
Calculate the minimum, maximum, and range of a numerical data set.
Open tool →Fraction to Decimal Calculator
Convert a numerator and denominator into a decimal value.
Open tool →Scientific Notation Calculator
Convert a number to normalized scientific notation.
Open tool →Significant Figures Calculator
Round a number to a selected number of significant figures.
Open tool →Rounding Calculator
Round a number to a chosen number of decimal places.
Open tool →Arithmetic Sequence Calculator
Calculate the nth term and sum of an arithmetic sequence.
Open tool →Geometric Sequence Calculator
Calculate the nth term and finite sum of a geometric sequence.
Open tool →Binomial Probability Calculator
Calculate an exact binomial probability for n trials and k successes.
Open tool →Expected Value Calculator
Calculate expected value from outcomes and their probabilities.
Open tool →Percentile Calculator
Calculate a percentile value from a list of numbers using linear interpolation.
Open tool →Percentile Rank Calculator
Estimate the percentile rank of a value within a dataset.
Open tool →Normal Distribution Calculator
Calculate a z-score and cumulative normal probability for a value.
Open tool →Confidence Interval Calculator
Calculate a z-based confidence interval for a sample mean.
Open tool →Margin of Error Calculator
Calculate a z-based margin of error from sample standard deviation and sample size.
Open tool →Sample Size Calculator
Estimate sample size for a population proportion from confidence level and margin of error.
Open tool →Correlation Coefficient Calculator
Calculate the Pearson correlation coefficient for paired numeric data.
Open tool →Covariance Calculator
Calculate sample or population covariance for paired numeric data.
Open tool →Linear Regression Calculator
Calculate a least-squares regression line and coefficient of determination.
Open tool →Arc Length Calculator
Calculate circular arc length from radius and central angle.
Open tool →Sector Area Calculator
Calculate the area of a circular sector from radius and central angle.
Open tool →Ellipse Calculator
Calculate ellipse area, approximate circumference, and eccentricity.
Open tool →Trapezoid Calculator
Calculate trapezoid area from the two parallel bases and height.
Open tool →Polygon Area Calculator
Calculate polygon area and perimeter from Cartesian coordinate points.
Open tool →Root Mean Square Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Sum of Squares Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →T Statistic Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →P Value Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Chi Square Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →One-Way ANOVA Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Hypergeometric Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Poisson Distribution Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Exponential Distribution Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Uniform Distribution Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Beta Distribution Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Gamma Distribution Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Weibull Distribution Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Lognormal Distribution Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Geometric Distribution Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Negative Binomial Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Mean Absolute Deviation Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Median Absolute Deviation Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Weighted Standard Deviation Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Root Mean Square Error Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Mean Absolute Error Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →MAPE Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →R Squared Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Vector Magnitude Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Dot Product Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Cross Product Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Complex Number Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Polynomial Degree Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Skewness Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Kurtosis Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Weighted Variance Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Matrix Trace Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Matrix Transpose Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Vector Angle Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Cosine Similarity Calculator
Calculate a mathematical or statistical result with clear browser-based inputs.
Open tool →Why use Avorqin?
Avorqin focuses on quick, focused utilities for common developer tasks. Tools in this collection are designed to be easy to open, use, and understand without unnecessary setup. Where a tool states that processing is local, its transformation runs in your browser.