Question 1

What functions can I plot?

Accepted Answer

Polynomials, rationals, exponentials, logs, trig, and piecewise functions. Parametric and polar forms may also be supported.

Question 2

How do I find intercepts and extrema?

Accepted Answer

Use built-in tools to compute roots, y-intercepts, and numerical derivatives to approximate maxima/minima.

Question 3

Can I graph multiple functions?

Accepted Answer

Yes—add functions and the calculator overlays them; customize colors and domains.

Question 4

How do I adjust the window?

Accepted Answer

Set x- and y-ranges manually or auto-fit to data. Zoom and pan for detail.

Question 5

Can I export the graph?

Accepted Answer

Yes—save as image or copy to clipboard for reports.

Graphing Calculator — Function Plotter & Graph Calculator