Texas Instruments TI-89 Manuale Utente
Operating the Calculator
151
Some keys perform only one additional operation, which may require either
2 or 8,
depending on the color in which the operation is printed on the keyboard and where it is
positioned above the key.
positioned above the key.
When you press a modifier such as
2 or 8, a 2ND or 2 indicator appears in the status
line at the bottom of the display. If you press a modifier by accident, press it again (or
press
press
N) to cancel its effect.
Other Important Keys You Need to Be Familiar With
Other Important Keys You Need to Be Familiar With
Other Important Keys You Need to Be Familiar With
Other Important Keys You Need to Be Familiar With
Key
Description
8 #
Displays the Y= Editor.
8 $
Displays the Window Editor.
8 %
Displays the Graph screen.
8 &
Sets parameters for the Table screen.
ESC
QUIT PASTE
N
accesses the key’s
primary function.
2 K
accesses
QUIT, which is the same
color as the
color as the
2
key.
8
7
accesses
PASTE, which is the same
color as the
color as the
8
key.
On the TI-89 Titanium,
8 5
accesses CUT, which is
the same color as the
8
key.
2nd
CUT