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Your first graph

Turn an equation into a picture, explore what changes, and save what you discover. You can start without an account.

Find it

Calculator → Expressions (the fₓ icon)

Try it step by step

Click an expression row and enter . The curve appears as you type.
Add another expression with + and enter . The two curves share the same coordinate plane.
Drag the empty graph to move it. Use + and − on the graph toolbar to zoom.
Give your work a name in the header, then choose Save graph. Use Export graph when you need an image for homework.

Each card is one input. For definitions, enter the cards in order. Formula-only cards belong in the tool described above.

A parabola with its lowest point at the origin.

A straight line with slope 2 and y-intercept 1.

Four workspace tabs: Expressions is for equations; Data is for tables and objects; Analyze is for calculations; Library is for saved work. Hover over an icon or focus it with Tab to read its name.
Editor and Graph on phones: Use the Editor / Graph switch to move between your inputs and the canvas.
This guide: Choose Guide in the header to open it in the same tab. Use browser Back or Open calculator to return to your saved draft. Search topics on the left; select a screenshot to enlarge it.
Examples: The book icon at the bottom of the sidebar opens example expressions. Read the example before adding it to your graph.