Texas Instruments TITANIUM TI-89 - Manual (Page 660)

Text Editor 660
• Press ¹ c 7 + letter to access uppercase Greek letters. Example:
¹ c 7 [W] displays Ω
The exact keys that you press on the TI-89 Titanium depend on whether alpha-lock is on
or off. For example:
Important: If you press j on the TI-89 Titanium to access a Greek letter while alpha-
lock is on, it turns alpha-lock off.
For a List of All Special Characters For a List of All Special Characters For a List of All Special Characters For a List of All Special Characters
For a list of all special characters, refer to the Technical Reference module.
On the TI-89 Titanium, if: Then:
Alpha-lock is off. ¹ c
X or
¹ c j
X displays
ξ
.
( j is not required for X, Y, Z, or T.)
¹ c j
W displays
ω
.
¹ c 7
W displays
Ω
.
(
7
is used for uppercase letters.)
Lowercase alpha-lock
(
2 ™
) is on.
¹ c
X displays
ξ
.
¹ c
W displays
ω
.
¹ c 7
W displays
Ω
.
Uppercase ALPHA-LOCK
(
7 ™
) is on.
¹ c
X displays
ξ
.
¹ c
W displays
Ω
.
¹ c 7
W displays
Ω
.