Texas Instruments TI-89 Manuel D’Utilisation
Operating the Calculator
149
Ê ƒ
–
2 Š
open toolbar menus. Select applications (when used with
8
)
Ë 2
,
8
,
¤
, and
j
add functionality by increasing the available key commands.
Ì
X, Y, and Z are often used in symbolic calculations.
Í A
,
B
,
C
, and
D
move the cursor.
Î O
lets you select an application.
Ï ¸
e
valuates an expression, executes an instruction, selects a menu item, etc.
Í
Î
Ï
Ê
Ë
Ë
Ì