Texas Instruments TI-89 User Manual - Page 318
If You Need to Change the Viewing Window, Smart Graph, Changed a mode setting that affects graphing
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• To pause graphing temporarily, press ¸. (The PAUSE indicator replaces BUSY.) To resume, press ¸ again. • To cancel graphing, press ´. To start graphing again from the beginning, press † (ReGraph). If You Need to Change the Viewing Window Depending on various settings, a function may be graphed such that it is too small, too large, or offset too far to one side of the screen. To correct this: • Redefine the viewing window with different boundaries. • Use a Zoom operation. Smart Graph When you display the Graph screen, the Smart Graph feature displays the previous window contents immediately, provided nothing has changed that requires regraphing. Smart Graph updates the window and regraphs only if you have: • Changed a mode setting that affects graphing, a function's graphing attribute, a Window variable, or a graph format. • Selected or deselected a function or stat plot. (If you only select a new function, Smart Graph adds that function to the Graph screen.) • Changed the definition of a selected function or the value of a variable in a selected function. • Cleared a drawn object. Basic Function Graphing 318