User Manual

TI-83 Plus Function Graphing 140
To use
ZBox
to define another box within the new graph, repeat steps 2
through 4. To cancel
ZBox
, press
.
Zoom In, Zoom Out
Zoom In
magnifies the part of the graph that surrounds the cursor
location.
Zoom Out
displays a greater portion of the graph, centered on
the cursor location. The
XFact
and
YFact
settings determine the extent of
the zoom.
To zoom in on a graph, follow these steps.
1. Check
XFact
and
YFact
; change as needed.
2. Select
2:Zoom In
from the
ZOOM
menu. The zoom cursor is displayed.
3. Move the zoom cursor to the point that is to be the center of the new
viewing window.