User Manual

TI-83 Plus Function Graphing 121
Setting the Viewing Window Variables
The TI-83 Plus Viewing Window
The viewing window is the portion of the coordinate plane defined by
Xmin
,
Xmax
,
Ymin
, and
Ymax
.
Xscl
(X scale) defines the distance between
tick marks on the x-axis.
Yscl
(Y scale) defines the distance between tick
marks on the y-axis. To turn off tick marks, set
Xscl=0
and
Yscl=0
.
Xmax
Ymin
Ymax
Xscl
Yscl
Xmin
Displaying the Window Variables
To display the current window variable values, press
p
. The
window editor above and to the right shows the default values in
Func
graphing mode and
Radian
angle mode. The window variables differ from
one graphing mode to another.
Xres
sets pixel resolution (
1
through
8
) for function graphs only. The
default is
1
.
•
At
Xres=1
, functions are evaluated and graphed at each pixel on the
x-axis.