Texas Instruments TITANIUM TI-89 - Manual (Page 320)

Basic Function Graphing 320
Note: To hide the cursor and its coordinates temporarily, press M, N, or ¸.
The next time you move the cursor, it moves from its last position.
When you move the cursor to a pixel that appears to be “on” the function, it may be near
the function but not on it.
To increase the accuracy:
• Use the Trace tool described on the next page to display coordinates that are on the
function.
• Use a Zoom operation to zoom in on a portion of the graph.
In increments of 10 pixels 2
and then a cursor pad arrow.
To move the free-moving cursor: Press:
Cursor coordinates are for
the center of the pixel, not
the function.