Free · Draw x(t) and y(t)

Parametric Curve Plotter

Turn two formulas into loops, spirals, Lissajous figures, and other paths controlled by t.

Live interactive chart
Data stays in this tab
PNG, SVG, and Plotly JSON

Build the formula plot

Change a formula or range. The graph updates here.

Formula for x(t)Use t as the changing valueFormula for y(t)Use the same t ranget minimumt maximumCurve points20 to 2,000

Plot titlex-axis labely-axis labelMain colourPlot backgroundShow legend

700 points in 1 trace are ready to explore.Drag to zoom. Double-click to reset.

Rows700

Plotted700

Traces1

Warnings0

Starting the interactive plotPlotly is loading in this browser tab.

Three simple steps

How to use it

Type one formula for x(t) and one for y(t).
Choose the t range and curve detail.
Zoom into the path or save it as an image.

Your formulas and data stay on this device

Plotly.js and Papa Parse draw the graph inside this browser tab. Bookify does not upload or save the table. Formula tools use a small math parser, not code evaluation. Close the tab and the working copy is gone.