Scientific Calculator
Type expressions with powers, roots, trigonometry, logs and constants, in degrees or radians, with a history.
Statistics Calculator
Mean, median, mode, standard deviation, quartiles and outliers from a list of numbers, with a histogram.
Runs entirely in your browser. Nothing you type or paste is sent anywhere.
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Graph Plotter
Plot up to four functions of x, zoom and pan, and read exact values along each curve.
Equation Solver
Solve linear and quadratic equations and systems of two or three unknowns, with the steps shown.
Matrix Calculator
Add, multiply, transpose and invert matrices, with determinant, rank and row-reduced form.