Texas Instruments TI-89 Voyage 200, User Manual

Page: 575 / 1008

Programming 575
Note:
To clear any previous output, enter the
Clr [ O
command in your program. You can
also execute
Clr
[
O
from the Home screen.
When a program stops on the Program I/O screen, you need to recognize that it is not
the Home screen (although the two screens are similar). The Program I/O screen is
used only to display output or to prompt the user for input. You cannot perform
calculations on this screen.
Note:
If Home screen calculations don’t work after you run a program, you may be on the
Program I/O screen.
Leaving the Program I/O Screen
Leaving the Program I/O Screen Leaving the Program I/O Screen
Leaving the Program I/O Screen
From the Program I/O screen:
• Press
‡
to toggle between the Home screen and the Program I/O screen.
– or –
• Press
N
,
2 K
, or
@
"
"
to display the Home screen.
– or –
• Display any other application screen (with
O
,
8 #
, etc.).
Last output
On the Program I/O screen:
‡
toolbar is available; all
others are dimmed.
There is no entry line.