Texas Instruments Titanium TI-89 User Manual

Operating the Calculator 199
Storing a Value in a Variable
Storing a Value in a VariableStoring a Value in a Variable
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 Titanium TI-89 Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
Memory	188 KB RAM, 2.7 MB Flash ROM
Type	Graphing Calculator
Display	Monochrome
Processor	Motorola 68000
Processor Speed	12 MHz
Power Source	4 AAA batteries
Connectivity	USB
Programming	TI-BASIC, Assembly
Operating System	AMS (Advanced Mathematics Software)