TI-83 Plus Split Screen 248
Using Split Screen
Setting a Split-Screen Mode
To set a split-screen mode, press z, and then move the cursor to the
bottom line of the mode screen.
Select Horiz (horizontal) to display the graph screen and another
screen split horizontally.
Select G.T (graph-table) to display the graph screen and table screen
split vertically.
$$
The split screen is activated when you press any key that applies to
either half of the split screen.