Free · Draw y = f(x)

Scientific Function Plotter

Type a math formula and explore its curve with zoom, hover values, and a clean downloadable graph.

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 yUse x, pi, e, sin, cos, sqrt, abs, exp, log, ln, min, or maxx minimumx maximumPlot points20 to 2,000

Plot titlex-axis labely-axis labelMain colourPlot backgroundShow legend

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

Rows500

Plotted500

Traces1

Warnings0

Starting the interactive plotPlotly is loading in this browser tab.

Three simple steps

How to use it

Type a formula using x, such as sin(x) or x^2.
Choose the x range and number of points.
Explore the curve, then download the graph.

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.