Graphing & Advanced

Scientific, graphing, geometry and 3D calculators.

Scientific Calculator A full scientific calculator with trig, logs, powers, roots and constants — free and online. Graphing Calculator Plot functions on an interactive graph — free online graphing calculator, no sign-up. 3D Graphing Calculator Plot a surface z = f(x, y) in interactive 3D — rotate and zoom, free online. Matrix Calculator Add, multiply, transpose, and find the determinant and inverse of a matrix online. Equation Solver Solve linear, quadratic and systems of equations step by step, free online. Triangle Calculator Solve any triangle from sides and angles — area, perimeter and the missing values.