Texas Instruments TI-84 - Manual (Page 122)

Chapter 3: Function Graphing 119
Zoom Cursor Zoom Cursor Zoom Cursor Zoom Cursor
When you select 1:ZBox , 2:Zoom In , or 3:Zoom Out , the cursor on the graph becomes the
zoom cursor ( + ), a smaller version of the free-moving cursor ( + ).
ZBox ZBox ZBox ZBox
To define a new viewing window using ZBox , follow these steps.
1. Select 1:ZBox from the ZOOM menu. The zoom cursor is displayed at the center of
the screen.
2. Move the zoom cursor to any spot you want to define as a corner of the box, and
then press
Í. When you move the cursor away from the first defined corner, a
small, square dot indicates the spot.
3. Press
|, }, ~, or †. As you move the cursor, the sides of the box lengthen or
shorten proportionately on the screen.
Note: To cancel ZBox before you press
Í, press ‘.
6: ZStandard Sets the standard window variables.
7: ZTrig Sets the built-in trig window variables.
8: ZInteger Sets integer values on the X and Y axes.
9: ZoomStat Sets the values for current stat lists.
0: ZoomFit Fits YMin and YMax between XMin and XMax.
ZOOM MEMORY