Getting Started 15
82STAT~1.DOC TI-83 international English Bob Fedorisko Revised: 10/27/05 1:33 PM Printed: 10/27/05 3:30
PM Page 15 of 18
To help identify maximums, minimums, roots, and intersections of functions, you can
magnify the viewing window at a specific location using the
ZOOM instructions.
1. Press q to display the ZOOM menu.
This menu is a typical TI-82 STATS menu. To
select an item, you can either press the number
or letter next to the item, or you can press †
until the item number or letter is highlighted,
and then press Í.
2. Press 2 to select 2:Zoom In.
The graph is displayed again. The cursor has
changed to indicate that you are using a
ZOOM
instruction.
3. With the cursor near the maximum value of
the function (as in step 8 on page 14), press
Í.
The new viewing window is displayed. Both
XmaxNXmin and YmaxNYmin have been
adjusted by factors of 4, the default values for
the zoom factors.
4. Press p to display the new window
settings.
Zooming In on the Graph: Box with Lid