F-Test Calculator
Perform two-sample F-tests for equality of variances, calculate F-ratio (s1²/s2²), degrees of freedom, and exact p-values.
Fourier Series Harmonic Synthesis Calculator
Synthesize and decompose periodic square, sawtooth, and triangle waves into Fourier harmonics. Computes a_n, b_n coefficients, Gibbs phenomenon, and power spectrum.
Geometric Distribution Calculator
Compute trial probabilities until first success, cumulative likelihood P(X ≤ k), and expected trials 1/p. Free, private, and simple to use in your browser.
Geometric Mean Calculator
Calculate Geometric Mean, Harmonic Mean, Root Mean Square (RMS), Arithmetic Mean, and verify the AM-GM-HM inequality. 100% free and private browser utility.
Harmonic Mean Calculator
Free harmonic mean calculator. Compute the harmonic mean, geometric mean, and arithmetic mean for speeds, rates, P/E ratios, and finance datasets.
Heron’s Formula Calculator
Calculate the exact area of any triangle from its three side lengths using Heron. Fast, 100% private in-browser utility with zero server uploads.
Hypergeometric Distribution Calculator
Free Hypergeometric Distribution Calculator. Calculate exact probability P(X=k), cumulative CDF, mean, and variance for sampling without replacement.
Inequality Solver
Solve linear and quadratic inequalities with sign-flip logic on negative division, interval notation, and set builder formats.
Interquartile Range Calculator
Calculate IQR (Q3 - Q1), semi-interquartile range, inner and outer Tukey fences, and automatically flag statistical outliers.
Kruskal-Wallis Calculator
Perform the Kruskal-Wallis H-test on ranks for comparing three or more independent groups with tie adjustments and Chi-Square p-values.
Kurtosis Calculator
Measure fourth standardized moment, Fisher excess kurtosis, and tail outlier risk. Fast, 100% private in-browser utility with zero server uploads.
Linear Equation Solver
Solve single-variable linear equations and analyze two-variable lines with slope-intercept form, intercepts, and steps. 100% free and private browser utility.
Linear Regression Calculator
Calculate line of best fit (Y = a + bX), slope, intercept, and predictions. Fast, free, and secure client-side execution in your browser.
Log Equation Solver
Solve logarithmic equations step-by-step. Convert log_b(x) = y to exponential form b^y = x, apply product & quotient rules, and check extraneous roots.
MAD Calculator
Compute Mean Absolute Deviation (MAD from mean) and Median Absolute Deviation with 1.4826 normal consistency scale factor.
Mann-Whitney U Test Calculator
Perform the non-parametric Mann-Whitney U test for two independent continuous or ordinal groups with tie corrections and Z-approximation.
Margin of Error Calculator
Calculate survey and polling margin of error (MoE) at 90%, 95%, or 99% confidence levels for proportions with sample size solver.
Markov Chain Steady-State & Transition Calculator
Calculate discrete-time Markov chain stationary distributions, Chapman-Kolmogorov n-step transition matrices, absorbing state matrices, and mean recurrence times.
Matrix Determinant Calculator
Compute exact determinants for 2x2, 3x3, and 4x4 matrices with cofactor expansion steps and singularity testing. 100% free and private browser utility.
Matrix Eigenvalue Calculator
Find eigenvalues, trace, determinant, and characteristic polynomials det(A - λI) = 0 for 2x2 real square matrices. 100% free and private browser utility.
Matrix Inverse Calculator
Calculate the inverse of 2x2 and 3x3 invertible square matrices via adjugate matrix and determinant division. Free, private, and simple to use in your browser.
Mean Median Mode Calculator
Calculate central tendency metrics, range, and frequency counts. Fast, free, and secure client-side execution in your browser.
Median Calculator
Calculate the median of any dataset with step-by-step sorting, odd/even length logic, middle position display, and robust comparison.
Midpoint Calculator
Find exact midpoint coordinates, trisection points, or missing endpoints in 2D plane and 3D coordinate space. Free, private, and simple to use in your browser.
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