Qurak evaluates mathematical and symbolic expressions: calculus and differential equations, linear algebra, statistics, optimization, transforms, number theory, and plots. Type an expression and it answers.
Free forever: 20 evaluations a minute, a 3-second budget, the MCP server and the HTTP API included. No card.
Start free See pricing Why computed beats plausible
It computes from your model, not from your files: Qurak solves what you write down, and does not read spreadsheets or datasets.
Every example here was run by the engine that will run yours.
| You write | It answers |
|---|---|
| Integrate[Sin[x]^2, x] | x/2 - Sin[2*x]/4 |
| Eigenvalues[{{2, 1}, {1, 2}}] | {3, 1} |
| DSolve[y'[x] == 2 y[x], y[x], x] | {{y[x] -> E^(2*x)*C[1]}} |
Plot[Exp[-x/5] Sin[2 x], {x, 0, 10}] · Plots render as SVG, in the workbench and over the API.Plot3D[Sin[x] Cos[y], {x, -3, 3}, {y, -3, 3}] · Surfaces, too - the same call, one more variable.The homework mathematics, computed properly, on the plan that costs nothing.
Everyone in the class gets the same working environment, with nothing to install.
Derivations, models and fits - with sessions that keep state, and one bill for the group.
Site access to a computational engine, with the usage statistics a renewal decision needs.
The rectifier, the controller and the transform - computed, not sketched.
One endpoint, a token, and an engine that answers.
For courses and prototyping: the circuit, simulated; the algebra, computed.
The researcher's tool first - with the compliance answer stated before you ask for it.
Qurak is an MCP server, so Claude, Cursor, VS Code and any other MCP client can hand it a calculation and get a real answer back instead of a plausible one. There is an HTTP API for everything else. Both are open on the free plan.