1.

From the Trace menu, select Graph Trace.

The Graph Trace tool appears at the top of the work area, the trace cursor appears, and the cursor coordinates are displayed in the lower right corner.

2.

Explore a graph or plot:

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Point to a position on a graph or plot to move the trace cursor to that point.

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Press ◄ or ► to step the cursor along the current graph or plot. The screen pans automatically to keep the cursor in view.

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Press ▲ or ▼ to cycle among the displayed graphs.

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Click the trace cursor to create a persistent point. Optionally, enter a specific independent value to move the trace cursor to that value.

3.

To stop tracing, press Esc.

 

The Trace All tool allows tracing multiple functions simultaneously. With several functions graphed on the work area, perform the following steps:

Note: The Trace All tool traces only function graphs, not plots of other relations (polar, parametric, scatter, sequence).

1.

From the Trace menu, select Trace All.

The Trace All tool appears in the work area, a vertical line indicates the x value of the trace, and the coordinates for each traced point are displayed in the lower right corner.

2.

Explore the graphs:

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Click a point on the x axis to move all the trace points to that x value.

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Press ◄ or ► to step the trace points along all the graphs.

3.

To stop tracing, press Esc.

 

1.

From the Trace menu, select Trace Step.

2.

Choose Automatic or enter a specific step size for tracing.