Texas Instruments TI-89 사용자 설명서

Symbolic Manipulation

 249

Substituting Values and Setting Constraints

Substituting Values and Setting Constraints

Substituting Values and Setting Constraints

Substituting Values and Setting Constraints

The 

 operator ( | ) lets you temporarily substitute values into an expression or 

specify domain constraints.

Typing the “With” Operator

Typing the “With” Operator

Typing the “With” Operator

Typing the “With” Operator

To type the 

 operator ( | ), press:

@

Í

Substituting for a Variable

Substituting for a Variable

Substituting 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