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TI-83 Plus Activities 556
1. Press
q
to display the
ZOOM
menu.
This menu is a typical TI-83 Plus 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, press
Í
.
The new viewing window is displayed. Both
Xmax
N
Xmin
and
Ymax
N
Ymin
have been
adjusted by factors of 4, the default values for
the zoom factors.