Texas Instruments TI-89 Manual Book page 228

Using a Split Screen
Note: You can display non-
graph-related applications
(such as the Home screen)
on only one side at a time.
Remember that the
Two Sides Are
Independent
From the Home
Screen or a Program
For more complete information about split screens, refer to
Chapter 14.
¦
To switch from one graph side to the other, press 2 a
(second function of O).
¦
To display different applications:
Switch to the applicable graph side and display the application
as you normally would.
— or —
Use 3 to change
¦
To exit two-graph mode:
Use 3 to set
by setting
Split Screen = FULL
— or —
Press 2 K twice. This always exits a split screen and
returns to a full-sized Home screen.
In two-graph mode, the two sides may appear to be related when, in
fact, they are not. For example:
For Graph 1,
the Y= Editor
lists y(x)
functions.
After the two-graph mode is set up, graph-related operations refer to
the active graph side. For example:
10!xmax
affects either Graph 1 or Graph 2, depending on which is active when
you execute the command.
To switch the active sides, press 2 a or use the
or .
switch(1) switch(2)
and/or
Split 1 App
Number of Graphs = 1 , or exit the split screen
.
Chapter 12: Additional Graphing Topics
.
Split 2 App
For Graph 2,
the polar
graph uses
r(q)
equations
that are not
shown.
function,
switch
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