Green’s theorem calculator
Integrate polynomial vector fields around a rectangle or axis-aligned ellipse, with working.
Open calculatorAdvanced maths
Equations, calculus and coordinates, with the method made visible.
Showing 1–20 of 20 tools
Equation of a line calculator
Find slope, intercept and the line through two distinct points.
Open calculatorQuadratic equation solver
Solve ax² + bx + c = 0, including repeated and complex roots.
Open calculatorClock angle calculator
Find the smaller angle between ideal hour and minute hands.
Open calculatorCompass direction and bearing calculator
Normalize a bearing and see its nearest 16-point compass direction.
Open calculatorDistance and midpoint calculator
Find distance and the halfway point between two Cartesian coordinates.
Open calculatorLinear interpolation calculator
Estimate a value between two reference points using a straight line.
Open calculatorFraction calculator
Add, subtract, multiply or divide two fractions with exact integer arithmetic.
Open calculatorMatrix addition and subtraction calculator
Combine matching matrix entries and see the exact sum or difference.
Open calculatorMatrix multiplication calculator
Multiply compatible matrices with exact entries and a row-by-column worked example.
Open calculatorMatrix determinant calculator
Find the exact determinant of a square matrix and follow the elimination steps.
Open calculatorMatrix inverse calculator
Invert a square matrix using exact row operations, or see why no inverse exists.
Open calculatorMatrix RREF and rank calculator
Reduce a rectangular matrix exactly and identify its rank, nullity and pivot columns.
Open calculatorLinear system solver
Solve small rational linear systems and distinguish unique, inconsistent and free-variable cases.
Open calculatorVector operations calculator
Calculate sums, dot and cross products, lengths, angles and projections in one place.
Open calculatorTriangle from coordinates calculator
Find exact area, centroid, orientation and angle type from three planar vertices.
Open calculatorPlane through three points calculator
Find a 3D plane equation, a normal vector and its distance from the origin.
Open calculatorCircle through three points calculator
Find the exact center, squared radius and equation of a planar circumcircle.
Open calculatorPolygon area and centroid calculator
Calculate a simple polygon’s exact area and centroid from its ordered vertices.
Open calculatorComplex number arithmetic calculator
Add, subtract, multiply or divide rational complex numbers and inspect the result.
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