Texas Instruments TI-89 Titanium Short User Manual page 60

Steps and keystrokes
3. Display the graph of the function.
Select
6:ZoomStd
moving the cursor to
pressing ¸.
Press „ 6
4. Turn on
Trace
The tracing cursor, and the x and y
coordinates are displayed.
Press ...
5. Open the
MATH
3:Minimum
Press ‡ D D ¸
6. Set the lower bound.
Press B (right cursor) to move the tracing
cursor until the lower bound for x is just to
the left of the minimum node before
pressing ¸ the second time.
Press B ... B ¸
7. Set the upper bound.
Press B (right cursor) to move the tracing
cursor until the upper bound for x is just to
the right of the minimum node.
Press B ... B
8. Find the minimum point on the graph
between the lower and upper bounds.
Press ¸
54
by pressing
6:ZoomStd
.
menu and select
.
or by
6
and
Display
tracing cursor
minimum point
minimum coordinates
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