79 calculators. Every one graphed live.
Algebra through calculus, plus physics, electrical engineering, and statistics. Enter your numbers, get the answer and a live canvas graph — instantly, with nothing sent to a server.
Algebra 1
Linear equations, systems, inequalities, quadratics, and more.
11 calculatorsAlgebra 2
Cubics, matrices, complex numbers, logarithms, and sequences.
10 calculatorsGeometry
Circles, polygons, 3D solids, transformations, and triangle solvers.
9 calculatorsTrigonometry
Right and oblique triangles, the unit circle, trig equations, and graphing.
8 calculatorsPrecalculus
Function composition, conic sections, parametric and polar graphing.
8 calculatorsCalculus
Derivatives, integrals, limits, Taylor series, and more.
8 calculatorsPhysics
Kinematics, projectile motion, energy, momentum, and gravitation.
9 calculatorsElectrical Engineering
Ohm's law, resistor networks, AC impedance, and RC/RL circuits.
8 calculatorsStatistics & Probability
Descriptive stats, probability, distributions, and regression.
8 calculatorsWhy Math Visualizer
Built for checking work, exploring a concept, or getting unstuck — not for signing up.
Live graphs, not just answers
Most calculators plot the result on a canvas graph — the parabola, the triangle, the tangent line — so you can see it, not just read it.
Private by design
Every calculation runs in your browser with math.js. Nothing you type is sent to a server or stored anywhere.
No account, no paywall
Open a subject and start calculating. There's nothing to sign up for.