Math & Numbers
Calculate P(A given B) from joint probability P(A and B) and condition probability P(B)
conditional-probability-calculatorMath & Numbers
Calculate Pearson and Spearman correlation coefficients from paired numeric data
correlation-calculatorMath & Numbers
Calculate sample and population covariance from paired numeric data
covariance-calculatorMath & Numbers
Calculate coefficient of variation as relative standard deviation for comparing variability across datasets
coefficient-of-variation-calculatorMath & Numbers
Compare arithmetic, geometric, and harmonic averages for a numeric dataset in one place
average-calculatorDesign
Batch generate Code 128, EAN-13, UPC-A, ITF-14, QR Code, and Data Matrix outputs from CSV or multiline text
barcode-batch-generatorMath & Numbers
Perform structured arithmetic and analysis for complex numbers in algebraic and polar form
complex-number-calculatorMath & Numbers
Compute the 2D signed area or 3D cross product between two vectors
cross-product-calculatorMath & Numbers
Solve cubic equations, classify the root pattern, and show Cardano-style intermediate values
cubic-equation-solverMath & Numbers
Calculate the nth term, first terms, and finite sum of an arithmetic sequence
arithmetic-sequence-calculatorMath & Numbers
Calculate antilogarithms for any valid base and optionally verify the result by applying the logarithm again
antilog-calculatorMath & Numbers
Calculate cube roots for positive or negative numbers and verify the cubed result
cube-root-calculator