Texas Instruments TITANIUM TI-89 - Manual (Page 313)

Basic Function Graphing 313
From the Home Screen or a Program From the Home Screen or a Program From the Home Screen or a Program From the Home Screen or a Program
You can also set a function’s style from the Home screen or a program. Refer to the Style
command in the Technical Reference module.
Defining the Viewing Window Defining the Viewing Window Defining the Viewing Window Defining the Viewing Window
The viewing window represents the portion of the coordinate plane displayed on the
Graph screen. By setting Window variables, you can define the viewing window’s
boundaries and other attributes. Function graphs, parametric graphs, etc., have their
own independent set of Window variables.
Displaying Window Variables in the Window Editor Displaying Window Variables in the Window Editor Displaying Window Variables in the Window Editor Displaying Window Variables in the Window Editor
Press 8 $ to display the Window Editor.
Window Variables
(shown in Window Editor)
Corresponding Viewing Window
(shown on Graph screen)
Variable Description
xmin, xmax,
ymin, ymax Boundaries of the viewing window.
xmin
ymax
ymin xmax
xscl
yscl