Texas Instruments TI-89 Titanium User Manual

Operating the Calculator 187
Storing a Value in a Variable
1. Enter the value you want to store, which can be an expression.
2. Press §. The store symbol (!) is displayed.
To store to a variable temporarily, you can use the “with” operator. Refer to “Substituting
Values and Setting Constraints” in Symbolic Manipulation.
Matrices
,
Character strings “Hello”, “The answer is:”, “xmin/10”
Pictures
Functions myfunc(arg), ellipse(x,y,r1,r2)
3. Type the variable name.
Note: TI-89 Titanium users should use
j as necessary when typing variable
names.
4. Press ¸.
DataTypes Examples
100
100
346

Texas Instruments TI-89 Titanium Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
CPU	Motorola 68000
CPU Speed	16 MHz
RAM	256 KB
Flash ROM	2.7 MB
Programming Language	TI-BASIC, Assembly
Power Source	4 AAA batteries
Connectivity	I/O port
Dimensions	7.5 x 3.5 x 1 inches