and a blinking
cursor is displayed on the first graph entered. The cursor is positioned
midway between xmin and xmax defined in the
window.

Press
or
to move the cursor
along the graph from one plotted point to the next.
followed by
or
to move the blinking cursor five
plotted points at a time.
Press
or
moves the tracing cursor to the next function,
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.