Texas Instruments TI-84 Plus Guide Book

Chapter 17: Activities 474
Zooming In on the Graph
Zooming In on the GraphZooming In on the Graph
Zooming In on the Graph
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-84 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
XmaxNXmin and YmaxNYmin have
been adjusted by factors of 4, the default
values for the zoom factors.

Texas Instruments TI-84 Plus Specifications

General

Battery type	AAA
Power source	Battery
Number of batteries supported	4
Type	Graphing
Cover	No
Form factor	Pocket
Control type	Buttons
Product color	Black
USB port	Yes
USB 2.0 ports quantity	1
Digits	- digits
Display number of lines	8 lines
Display number of characters	16
RAM capacity	0.024 MB
ROM capacity	0.480 MB
Storage media type	-