Entering Alphabetic Characters - Texas Instruments TI-89 Titanium User Manual

Key
2 ¯
2 °
2 £
@ 2 9
2 ¿
2 `
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2 ±

Entering Alphabetic Characters

Alphabetic characters are used in expressions such as
and in the Text Editor (Text Editor module).
Entering a Letter Character on the TI-89 Titanium
The letters x, y, z, and t are commonly used in algebraic expressions. So that you can
type them quickly, these letters are primary keys on the TI-89 Titanium keyboard.
Operating the Calculator
Description
Displays the MEMORY screen.
Displays the VAR-LINK screen for managing variables
and Flash applications.
Recalls the contents of a variable.
Displays the UNITS dialog box.
Displays the CHAR menu, which lets you select Greek
letters, international accented characters, etc.
Recalls the previous entry and the last answer,
respectively.
X Y
Z
T
2 2
to enter variable names
x +y
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