
iv Introduction
Getting Started: Lottery Chances.................... 2-2
Using the TI-80 Functions.......................... 2-3
Keyboard Math Operations......................... 2-4
MATH MATH Operations........................... 2-7
MATH NUM (Number) Operations................... 2-10
MATH PRB (Probability) Operations................. 2-12
ANGLE Operations................................ 2-14
TEST (Relational) Operations....................... 2-16
Getting Started: Working with Fractions ............. 3-2
Setting Modes for Fraction Results.................. 3-4
Entering and Using Fractions in Calculations......... 3-6
The FRACTION Menu.............................. 3-8
Getting Started: Graphing a Circle................... 4-2
Defining a Graph.................................. 4-3
Setting Graph Modes .............................. 4-4
Defining Functions in the Y= List.................... 4-5
Evaluating Y= Functions in Expressions ............. 4-7
Selecting Functions ............................... 4-8
Defining the Viewing Window ...................... 4-9
Displaying a Graph................................ 4-11
Exploring a Graph with the Free-Moving Cursor ...... 4-12
Exploring a Graph with TRACE..................... 4-13
Exploring a Graph with ZOOM...................... 4-15
Setting the Zoom Factors .......................... 4-18
Getting Started: Path of a Ball ...................... 5-2
Defining and Displaying a Parametric Graph.......... 5-3
Exploring a Parametric Graph ...................... 5-6
Chapter 2:
Math, Angle, and
Test Operations
Chapter 3:
Fractions
Chapter 4:
Function
Graphing
Chapter 5:
Parametric
Graphing