Zooming In On The Graph - TI -82 Manual Book

Zooming on the Graph
You can magnify the viewing WINDOW around a specific location using the
ZOOM instructions to help identify maximums, minimums, roots, and
intersections of functions.
1. Press q to display the
This menu is typical of TI.82 menus. To select
an item, you may either press the number to the
left of the item, or you may press † until the
item number is highlighted and then press
Í.
2. To zoom in, press
again. The cursor has changed to indicate that
you are using a
3. Use |, }, ~, and † to position the cursor near
the maximum value on the function and press
Í.
The new viewing
been adjusted in both the
factors of 4, the values for
4. Press p to display the new
settings.
12 Getting Started
menu.
ZOOM
. The graph is displayed
2
instruction.
ZOOM
is displayed. It has
WINDOW
X and Y
ZOOM
WINDOW
directions by
factors.