Set Zoom Factors
The factor settings determine the factor by which the zoom
in and zoom out options
magnify or reduce a graph, respectively. While viewing a graph, press
.
Press 
. (The set factors option can also be
obtained by using the 
to select option C
and pressing 
.)
The default factors are 4.
This means that the widow dimensions change by a factor of 4 when zooming in or
zooming out. For a standard window
zooming in automatically changes the dimensions to
The zoom factors can be changed to any value greater than
or equal to 1, but they do not have to be integers. These factors, along
with the current cursor position, determine the new window
settings.