Texas Instruments TI-89 Titanium User Manual page 309

To move the free-moving cursor:
In increments of 10 pixels
To hide the cursor and its coordinates temporarily, press M, N, or ¸.
Note:
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
function.
• Use a operation to zoom in on a portion of the graph.
Zoom
Basic Function Graphing
Press:
2
tool described on the next page to display coordinates that are on the
and then a cursor pad arrow.
Cursor coordinates are for
the center of the pixel, not
the function.
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