Texas Instruments TI-82 User Manual - Page 77
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Moving from Function to Function To trace another selected function on the graph, use † or } to move the cursor to that function. The cursor movement is based on the order of the selected functions in the Y= list, not the appearance of the functions as graphed on the screen. The cursor moves to the new function at the same X value. The function number in the upper right corner of the display changes. Leaving TRACE To leave TRACE: ¦ Select another screen by pressing the appropriate key, such as p or q. ¦ Press y ãQUITä to return to the Home screen. The TRACE cursor remains in the same location if you leave TRACE and return, if Smart Graph has not caused the graph to be replotted. Using TRACE in a Program On a blank line in the program editor, press r. The instruction Trace is copied to the cursor location. When the instruction is encountered during program execution, the graph is displayed with the TRACE cursor on the first selected function. As you trace, the cursor coordinate values are updated. When you are done tracing functions, press Í to resume program execution. Function Graphing 3-15
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