Texas Instruments Titanium TI-89 - Substituting Values and Setting Constraints; Typing the With Operator; Substituting for a Variable

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