Type functions like x^2 - 4 or sin(x) and see them drawn instantly. Drag to move, pinch or scroll to zoom, and read the roots and y-intercepts.
loading toolHow to use the graphing calculator
- Type a function after y = (for example 2x + 1).
- Add more with + Add function; each gets its own colour.
- Drag to move, scroll or pinch to zoom; hover to read values.
Questions
Can I save the graph?
Yes: Download PNG saves the picture. Your functions stay on this device for next time.
Is my data private?
Yes. Everything happens inside your own browser: nothing you type or choose is uploaded to us or anyone else.
Is it free?
Completely free, with no sign-up, no watermark and no limit on how many times you use it. Light ads keep the site running.
