To Enlarge an Area of a Graph

1. To zoom in on a specific section of a graph, choose Zoom from the Tools menu in the Graphing window.

2. Hold down the Shift key and drag mouse button 1 to outline the area to zoom.

3. Release the mouse button to view the enlarged area.

4. To restore the graph to its original, unzoomed view, choose Restore from the Tools menu in the Graphing window.