Mathematics
Calculators for mathematical problems.
2D Linear Programming Calculator
Maximize a two-variable objective under two resource constraints and inspect the binding corner.
2D Principal Component Calculator
Analyze a two-variable covariance matrix with PCA variance, explained variance, principal angle, correlation, and Mahalanobis distance.
2x2 Eigenvalue Calculator
2x2 Eigenvalue Calculator analyzes a 2x2 matrix with determinant, trace, eigenvalue, and conditioning metrics.
2x2 Matrix Condition Calculator
2x2 Matrix Condition Calculator analyzes a 2x2 matrix with determinant, trace, eigenvalue, and conditioning metrics.
2x2 Matrix Inverse Calculator
Calculate determinant and inverse entries for a 2x2 matrix.
3x3 Matrix Determinant Calculator
Calculate determinant, trace, row norm, and invertibility indicator for a 3x3 matrix.
Bayes' Theorem Calculator
Update a prior probability using sensitivity and false-positive rate.
Bayesian A/B Test Calculator
Compare two conversion rates with beta priors, posterior means, lift, and an approximate z-score for the difference.
Bayesian Update Calculator
Bayesian Update Calculator combines probability, sample size, observed events, and finite-population adjustment.
Bezier Curve Point Calculator
Bezier Curve Point Calculator combines circular, triangular, and radius-based geometry into one compact result set.
Binomial Probability Calculator
Calculate exact and cumulative binomial probabilities for repeated independent trials.
Chi-Square Test Calculator
Chi-Square Test Calculator estimates standardized distance, uncertainty, and confidence range from sample assumptions.
Circle Calculator
Calculate diameter, circumference, and area from a circle radius.
Complex Number Operations Calculator
Add and multiply two complex numbers, then calculate product magnitude.
Complex Polar Power Calculator
Convert a complex number to polar form and apply De Moivre's theorem for an integer-like power.
Confidence Band Calculator
Confidence Band Calculator estimates standardized distance, uncertainty, and confidence range from sample assumptions.
Confidence Interval Calculator
Build a normal-approximation confidence interval from mean, standard deviation, sample size, and z value.
Cubic Discriminant Calculator
Cubic Discriminant Calculator uses iterative numerical reasoning to estimate a root and residual diagnostics.
Cubic Root Shape Calculator
Analyze a cubic polynomial using discriminant, derivative discriminant, inflection point, and value at the inflection point.
Cylinder Volume Calculator
Calculate cylinder volume and surface area from radius and height.
Decimal to Percent Calculator
Convert decimal values into percentages and basis points.
Distance Between Points Calculator
Calculate the straight-line distance and coordinate differences between two 2D points.
Ellipse Calculator
Calculate ellipse area, approximate perimeter, and eccentricity from semi-major and semi-minor axes.
Exponent Calculator
Raise a base number to a power and view the reciprocal power.
Exponential Growth Fit Calculator
Fit an exponential rate from start and end values, then forecast a later value and estimate doubling time.
Factorial Calculator
Calculate n factorial and see how many ordered arrangements exist for n items.
Finite Difference Derivative Calculator
Estimate first and second derivatives from three sampled points and produce a local linear estimate.
Fourier Harmonic Estimator
Evaluate one harmonic of a Fourier-style signal, including amplitude, frequency, phase, and sample value.
Fraction Simplifier
Reduce a fraction to lowest terms and show its decimal value.
Fraction to Decimal Calculator
Convert a fraction to decimal and percentage form.
GCD and LCM Calculator
Find the greatest common divisor and least common multiple of two whole numbers.
Golden Section Search Calculator
Golden Section Search Calculator uses iterative numerical reasoning to estimate a root and residual diagnostics.
Hypergeometric Distribution Calculator
Hypergeometric Distribution Calculator combines probability, sample size, observed events, and finite-population adjustment.
Least Squares Line Calculator
Least Squares Line Calculator estimates standardized distance, uncertainty, and confidence range from sample assumptions.
Linear Interpolation Calculator
Estimate a value between two known points using linear interpolation.
Linear Transform Analyzer
Linear Transform Analyzer analyzes a 2x2 matrix with determinant, trace, eigenvalue, and conditioning metrics.
Logarithm Calculator
Calculate logarithms in any positive base plus natural and common logarithms.
Logistic Growth Calculator
Model bounded growth with carrying capacity, initial value, growth rate, and time.
Matrix Calculator
Perform matrix operations: addition, subtraction, multiplication, determinant, rank, inverse, eigenvalues, and eigenvectors.
Mean, Median, Mode
Calculate the mean, median, mode, and other statistical measures from a dataset.
Midpoint Calculator
Find the midpoint and coordinate changes between two points in a plane.
Monte Carlo Error Calculator
Monte Carlo Error Calculator estimates standardized distance, uncertainty, and confidence range from sample assumptions.
Newton Iteration Step Calculator
Compute the next Newton-Raphson estimate, step size, residual ratio, and tolerance gap from a current point.
Newton Method Calculator
Newton Method Calculator uses iterative numerical reasoning to estimate a root and residual diagnostics.
Normal Approximation to Binomial Calculator
Approximate binomial tail probabilities with mean, standard deviation, z-scores, and continuity correction.
Normal Distribution Calculator
Normal Distribution Calculator combines probability, sample size, observed events, and finite-population adjustment.
Percentage Calculator
Pick the question you need, type two numbers, and get a clear percentage, increase, decrease, or change card.
Permutation and Combination Calculator
Calculate permutations, combinations, and arrangements with repetition for n and r.
Point-to-Plane Distance Calculator
Calculate signed distance from a 3D point to a plane and the nearest projected point on that plane.
Poisson Distribution Calculator
Poisson Distribution Calculator combines probability, sample size, observed events, and finite-population adjustment.
Polynomial Root Bound Calculator
Polynomial Root Bound Calculator uses iterative numerical reasoning to estimate a root and residual diagnostics.
Prime Factorization Calculator
Break an integer into prime factors and see divisors, largest prime factor, GCD, LCM, radical, and Euler totient.
Pythagorean Theorem Calculator
Calculate the hypotenuse, area, and perimeter of a right triangle from its legs.
Quadratic Equation Solver
Solve quadratic equations ax² + bx + c = 0 and get roots, discriminant, and vertex coordinates.
Quadratic Features Calculator
Find vertex, discriminant, and real-root estimates for a quadratic expression.
Quadratic Form Classifier
Quadratic Form Classifier analyzes a 2x2 matrix with determinant, trace, eigenvalue, and conditioning metrics.
Ratio Simplifier
Simplify two whole numbers into their lowest ratio and decimal equivalent.
Rectangle Area Calculator
Calculate rectangle area, perimeter, and diagonal from length and width.
Sample Size for Proportion Calculator
Estimate required sample size for a population proportion with confidence z-score, margin of error, expected proportion, and finite population correction.
Scientific Notation Calculator
Convert a number into scientific notation components.
Sector + Triangle Area Calculator
Sector + Triangle Area Calculator combines circular, triangular, and radius-based geometry into one compact result set.
Sequence Sum Calculator
Calculate arithmetic and geometric nth terms and sums from shared starting values.
Simpson's Rule Integration Calculator
Approximate area under a curve using Simpson's rule and compare it with a trapezoid estimate from the same three points.
Slope and Intercept Calculator
Find rise, run, slope, y-intercept, and line angle from two points.
Spherical Distance Calculator
Spherical Distance Calculator combines circular, triangular, and radius-based geometry into one compact result set.
Square Root Calculator
Calculate square root, cube root, and squared value.
Standard Deviation Calculator
Calculate mean, standard deviation, and variance from a set of numbers.
System of Linear Equations Solver
Solve 2x2 and 3x3 systems of linear equations using Gaussian elimination. Get exact solutions, detect inconsistencies, and find infinite solution sets.
Three-Point Lagrange Interpolation Calculator
Interpolate a value from three points and inspect basis weights, slope, and curvature.
Triangle Area Calculator
Calculate triangle area from base and height.
Triangle Incenter Calculator
Triangle Incenter Calculator combines circular, triangular, and radius-based geometry into one compact result set.
Triangle Side, Angle & Area Calculator
Solve every side, angle, area, and radius of a general triangle by entering the three measurements you already know.
Two-Point Linear Predictor
Create a line from two points and predict y for a chosen x value.
Two-State Markov Chain Calculator
Project a two-state Markov chain and compare the result with the steady-state distribution after a chosen number of steps.
Vector Calculator – Dot, Cross & Projections
Calculate vector magnitudes, dot product, cross product, angle, and projections in 2D or 3D space.
Volume Calculator
Calculate the volume of common 3D shapes easily.
Z-Score and P-Value Calculator
Calculate z-scores, p-values, and perform statistical hypothesis testing with the standard normal distribution.