5 Calculators

Every calculator, free, with the working shown

One engine powers all of them. No account, no download, no premium tier — and every result comes with the steps that produced it.

Graphing

Functions, polar and parametric curves.

Free online graphing calculator. Plot functions, polar and parametric curves, read a table of values and export as SVG. No sign-up, no download.

Graph polar equations r = f(θ) online. Plot roses, cardioids, spirals and limacons on a polar grid, then trace the curve.

Graph parametric equations x(t) and y(t) online. Plot circles, cycloids, Lissajous curves and spirals from the parameter t.

Scientific keypads and the TI-84 layout.

Free TI-84 Plus™ style graphing calculator in your browser. Faithful keypad layout with graphing and a table of values. No sign-up, no download.

Scientific graphing calculator with a full trig, log and exponential keypad. Plot the curve and read a table of values. Free.