Tracing Graphs or Plots
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1.
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In the Graphing view, tap  and go to . |
The Graph Trace tool appears in the Graphs toolbar, the trace cursor appears, and the cursor coordinates are displayed in the lower right corner.
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2.
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Explore a graph or plot: |
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Tap a point on a graph or plot to move the trace cursor to that point. |
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Tap  or  on the Graph Trace tool to step the cursor along the current graph or plot. The screen pans automatically to keep the cursor in view. |
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Double-tap the trace cursor to enter a specific independent value. |
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Tap and hold the trace cursor to create a persistent point. |
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3.
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To stop tracing, tap the on the Graph Trace tool. |