Texas Instruments TI-89 Titanium User Manual page 478

From the Graph screen:
2 ˆ
•
and select
1:ClrDraw
– or –
Press † to regraph.
•
You can also enter
Note:
You can also do anything that causes the Smart Graph feature to redraw the graph (such
as change the Window variables or deselect a function on the Y= Editor).
Additional Graphing Topics
.
on the Home screen's entry line.
ClrDraw
475