Getting Started 15
8300GETM.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 11:06 AM Printed: 02/19/01 11:06
AM 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
.
83 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
Xmax
N
Xmin and Ymax
N
Ymin 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
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