and a blinking cursor is displayed on the first graph entered in
.
The cursor is positioned midway between Xmin and Xmax defined in 
.
Press 
to move the cursor along the graph from one plotted point to the next.
followed by
to move the blinking cursor five plotted points at a time.
Press 
or 
moves the tracing cursor to the next function typed in ,
as indicated by the number in the upper right corner of the screen. The
cursor moves to the new function at the same x value.
If tracing a graph takes the cursor off the display screen to the left or right, the viewing window pans to show the new cursor location. The window settings are updated accordingly. If tracing a graph takes the cursor off the display screen to the top or bottom, the cursor disappears from the screen. However, the x and y coordinates of the cursor are displayed at the bottom of the screen.
Press 
to adjust the viewing window so that the cursor location becomes the center
of the window.