Texas Instruments Titanium TI-89 User Manual

Symbolic Manipulation 249
Substituting Values and Setting Constraints
Substituting Values and Setting ConstraintsSubstituting Values and Setting Constraints
Substituting Values and Setting Constraints
The “with” operator ( | ) lets you temporarily substitute values into an expression or
specify domain constraints.
Typing the “With” Operator
Typing the “With” OperatorTyping the “With” Operator
Typing the “With” Operator
To type the
“with” operator ( | ), press:
@ Í
Substituting for a Variable
Substituting for a VariableSubstituting for a Variable
Substituting for a Variable
For every occurrence of a specified variable,
you can substitute a numeric value or an
expression.
To substitute for multiple variables at the
same time, use the Boolean and operator.
First derivative of x
3
at x = 5

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)