Texas Instruments TI-73VSC Guidebook - Page 190

184 Chapter 9: Function Graphing 2. Select the Zoom In operation for the function graph. (2 You want to zoom in on this side of the graph. 3. Move the cursor to the point that you want as the center of the new viewing window. "!$# 4. Replot the graph. b The cursor point becomes the center of the new window. Zoom Out works exactly the same way as Zoom In. The calculator zooms out automatically around the center point. ZStandard ( 6 ZStandard is one of the more popular zoom commands because many function graphs look good when graphed according to the standard (default) WINDOW values: Xmin=M10, Xmax=10, Xscl=1, Ymin=-M10, Ymax=10, Yscl=1. If you select the ZStandard operation, either from the Graph screen or another screen, all selected functions are immediately replotted according to these standard WINDOW values. ZInteger ( 0 ZInteger requires you first to select a new center point. The calculator then replots the graph immediately using the adjusted WINDOW values which set @X and @Y to 1, and Xscl and Yscl to 10. Select the center point (as you would do for ZoomIn and ZoomOut) by moving the cursor with the cursor keys, and then pressing b. Press ) to view the new coordinate values.