Texas Instruments TI-89 Manual Book page 74

Chapter 3:
Symbolic Manipulation
3
Preview of Symbolic Manipulation ........................................................ 58
Using Undefined or Defined Variables .................................................. 59
Using Exact, Approximate, and Auto Modes ....................................... 61
Automatic Simplification......................................................................... 64
Delayed Simplification for Certain Built-In Functions........................ 66
Substituting Values and Setting Constraints ........................................ 67
Overview of the Algebra Menu............................................................... 70
Common Algebraic Operations .............................................................. 72
Overview of the Calc Menu..................................................................... 75
Common Calculus Operations................................................................ 76
User-Defined Functions and Symbolic Manipulation ......................... 77
If You Get an Out-of-Memory Error....................................................... 79
Special Constants Used in Symbolic Manipulation ............................. 80
This chapter is an overview of the fundamentals of using
symbolic manipulation to perform algebraic or calculus
operations.
You can easily perform symbolic calculations from the Home
screen.
Chapter 3: Symbolic Manipulation 57