Texas Instruments TI-83 - Plus Graphing Calculator Manual

8300INTR.DOC TI-83 Intl English, Title Page Bob Fedorisko Revised: 02/19/01 2:32 PM Printed: 02/21/01 9:05

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TI-83

GRAPHING CALCULATOR

GUIDEBOOK

TI-GRAPH LINK, Calculator-Based Laboratory, CBL, CBL 2, Calculator-Based Ranger, CBR,

Constant Memory, Automatic Power Down, APD, and EOS are trademarks of Texas

Instruments Incorporated.

IBM is a registered trademark of International Business Machines Corporation.

Macintosh is a registered trademark of Apple Computer, Inc.

Windows is a registered trademark of Microsoft Corporation.

8300INTR.DOC TI-83 Intl English, Title Page Bob Fedorisko Revised: 02/19/01 11:26 AM Printed: 02/19/01 1:46

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Texas Instruments makes no warranty, either expressed or

implied, including but not limited to any implied warranties of

merchantability and fitness for a particular purpose, regarding any

programs or book materials and makes such materials available

solely on an “as-is” basis.

In no event shall Texas Instruments be liable to anyone for special,

collateral, incidental, or consequential damages in connection with

or arising out of the purchase or use of these materials, and the

sole and exclusive liability of Texas Instruments, regardless of the

form of action, shall not exceed the purchase price of this

equipment. Moreover, Texas Instruments shall not be liable for any

claim of any kind whatsoever against the use of these materials by

any other party.

This equipment has been tested and found to comply with the

limits for a Class B digital device, pursuant to Part 15 of the FCC

rules. These limits are designed to provide reasonable protection

against harmful interference in a residential installation. This

equipment generates, uses, and can radiate radio frequency energy

and, if not installed and used in accordance with the instructions,

may cause harmful interference with radio communications.

However, there is no guarantee that interference will not occur in

a particular installation.

If this equipment does cause harmful interference to radio or

television reception, which can be determined by turning the

equipment off and on, you can try to correct the interference by

one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different

from that to which the receiver is connected.

• Consult the dealer or an experienced radio/television

technician for help.

Caution: Any changes or modifications to this equipment not

expressly approved by Texas Instruments may void your authority

to operate the equipment.

Important

US FCC

Information

Concerning

Radio Frequency

Interference

Introduction iii

8300INTR.DOC TI-83 Intl English, Title Page Bob Fedorisko Revised: 02/19/01 11:26 AM Printed: 02/19/01 1:46

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This manual describes how to use the TI.83 Graphing Calculator. Getting

Started is an overview of TI.83 features. Chapter 1 describes how the TI.83

operates. Other chapters describe various interactive features. Chapter 17

shows how to combine these features to solve problems.

TI-83 Keyboard .......................................... 2

TI-83 Menus ............................................. 4

First Steps ............................................... 5

Entering a Calculation: The Quadratic Formula .......... 6

Converting to a Fraction: The Quadratic Formula ........ 7

Displaying Complex Results: The Quadratic Formula .... 8

Defining a Function: Box with Lid ....................... 9

Defining a Table of Values: Box with Lid ................. 10

Zooming In on the Table: Box with Lid................... 11

Setting the Viewing Window: Box with Lid ............... 12

Displaying and Tracing the Graph: Box with Lid ......... 13

Zooming In on the Graph: Box with Lid .................. 15

Finding the Calculated Maximum: Box with Lid.......... 16

Other TI-83 Features..................................... 17

Turning On and Turning Off the TI-83.................... 1-2

Setting the Display Contrast ............................. 1-3

The Display .............................................. 1-4

Entering Expressions and Instructions................... 1-6

TI-83 Edit Keys .......................................... 1-8

Setting Modes ........................................... 1-9

Using TI-83 Variable Names ............................. 1-13

Storing Variable Values .................................. 1-14

Recalling Variable Values ................................ 1-15

ENTRY (Last Entry) Storage Area........................ 1-16

Ans (Last Answer) Storage Area ......................... 1-18

TI-83 Menus ............................................. 1-19

VARS and VARS Y.VARS Menus......................... 1-21

Equation Operating System (EOSé)..................... 1-22

Error Conditions......................................... 1-24

Table of Contents

Getting Started:

Do This First!

Chapter 1:

Operating the

TI-83

iv Introduction

8300INTR.DOC TI-83 Intl English, Title Page Bob Fedorisko Revised: 02/19/01 11:26 AM Printed: 02/19/01 1:46

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Getting Started: Coin Flip ................................ 2-2

Keyboard Math Operations .............................. 2-3

MATH Operations ........................................ 2-5

Using the Equation Solver ............................... 2-8

MATH NUM (Number) Operations........................ 2-13

Entering and Using Complex Numbers................... 2-16

MATH CPX (Complex) Operations ....................... 2-18

MATH PRB (Probability) Operations ..................... 2-20

ANGLE Operations....................................... 2-23

TEST (Relational) Operations............................ 2-25

TEST LOGIC (Boolean) Operations ...................... 2-26

Getting Started: Graphing a Circle ....................... 3-2

Defining Graphs ......................................... 3-3

Setting the Graph Modes................................. 3-4

Defining Functions ...................................... 3-5

Selecting and Deselecting Functions ..................... 3-7

Setting Graph Styles for Functions....................... 3-9

Setting the Viewing Window Variables ................... 3-11

Setting the Graph Format ................................ 3-13

Displaying Graphs ....................................... 3-15

Exploring Graphs with the Free-Moving Cursor.......... 3-17

Exploring Graphs with TRACE........................... 3-18

Exploring Graphs with the ZOOM Instructions........... 3-20

Using ZOOM MEMORY .................................. 3-23

Using the CALC (Calculate) Operations .................. 3-25

Getting Started: Path of a Ball ........................... 4-2

Defining and Displaying Parametric Graphs.............. 4-4

Exploring Parametric Graphs ............................ 4-7

Getting Started: Polar Rose .............................. 5-2

Defining and Displaying Polar Graphs ................... 5-3

Exploring Polar Graphs .................................. 5-6

Chapter 2:

Math, Angle, and

Test Operations

Chapter 3:

Function

Graphing

Chapter 4:

Parametric

Graphing

Chapter 5:

Polar Graphing

Introduction v

8300INTR.DOC TI-83 Intl English, Title Page Bob Fedorisko Revised: 02/19/01 11:26 AM Printed: 02/19/01 1:46

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Getting Started: Forest and Trees ........................ 6-2

Defining and Displaying Sequence Graphs ............... 6-3

Selecting Axes Combinations ............................ 6-8

Exploring Sequence Graphs.............................. 6-9

Graphing Web Plots...................................... 6-11

Using Web Plots to Illustrate Convergence............... 6-12

Graphing Phase Plots .................................... 6-13

Comparing TI-83 and TI.82 Sequence Variables .......... 6-15

Keystroke Differences Between TI-83 and TI-82 ......... 6-16

Getting Started: Roots of a Function ..................... 7-2

Setting Up the Table ..................................... 7-3

Defining the Dependent Variables........................ 7-4

Displaying the Table ..................................... 7-5

Getting Started: Drawing a Tangent Line ................. 8-2

Using the DRAW Menu................................... 8-3

Clearing Drawings ....................................... 8-4

Drawing Line Segments.................................. 8-5

Drawing Horizontal and Vertical Lines ................... 8-6

Drawing Tangent Lines .................................. 8-8

Drawing Functions and Inverses ......................... 8-9

Shading Areas on a Graph ............................... 8-10

Drawing Circles.......................................... 8-11

Placing Text on a Graph ................................. 8-12

Using Pen to Draw on a Graph ........................... 8-13

Drawing Points on a Graph .............................. 8-14

Drawing Pixels .......................................... 8-16

Storing Graph Pictures (Pic)............................. 8-17

Recalling Graph Pictures (Pic)........................... 8-18

Storing Graph Databases (GDB)......................... 8-19

Recalling Graph Databases (GDB)....................... 8-20

Getting Started: Exploring the Unit Circle................ 9-2

Using Split Screen ....................................... 9-3

Horiz (Horizontal) Split Screen........................... 9-4

G-T(Graph-Table) Split Screen .......................... 9-5

TI.83 Pixels in Horiz and G-TModes ..................... 9-6

Chapter 6:

Sequence

Graphing

Chapter 7:

Tables

Chapter 8:

DRAW

Operations

Chapter 9:

Split Screen

vi Introduction

8300INTR.DOC TI-83 Intl English, Title Page Bob Fedorisko Revised: 02/19/01 11:26 AM Printed: 02/19/01 1:46

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Getting Started: Systems of Linear Equations ............ 10-2

Defining a Matrix ........................................ 10-3

Viewing and Editing Matrix Elements .................... 10-4

Using Matrices with Expressions ........................ 10-7

Displaying and Copying Matrices ........................ 10-8

Using Math Functions with Matrices ..................... 10-9

Using the MATRX MATH Operations ..................... 10-12

Getting Started: Generating a Sequence .................. 11-2

Naming Lists............................................. 11-3

Storing and Displaying Lists ............................. 11-4

Entering List Names ..................................... 11-6

Attaching Formulas to List Names ....................... 11-7

Using Lists in Expressions ............................... 11-9

LIST OPS Menu .......................................... 11-10

LIST MATH Menu ........................................ 11-17

Getting Started: Pendulum Lengths and Periods ......... 12-2

Setting up Statistical Analyses ........................... 12-10

Using the Stat List Editor ................................ 12-11

Attaching Formulas to List Names ....................... 12-14

Detaching Formulas from List Names.................... 12-16

Switching Stat List Editor Contexts ...................... 12-17

Stat List Editor Contexts................................. 12-18

STAT EDIT Menu ........................................ 12-20

Regression Model Features .............................. 12-22

STAT CALC Menu........................................ 12-24

Statistical Variables...................................... 12-29

Statistical Analysis in a Program ......................... 12-30

Statistical Plotting ....................................... 12-31

Statistical Plotting in a Program ......................... 12-37

Getting Started: Mean Height of a Population ............ 13-2

Inferential Stat Editors................................... 13-6

STAT TESTS Menu ...................................... 13-9

Inferential Statistics Input Descriptions.................. 13-26

Test and Interval Output Variables ....................... 13-28

Distribution Functions................................... 13-29

Distribution Shading ..................................... 13-35

Chapter 10:

Matrices

Chapter 11:

Lists

Chapter 12:

Statistics

Chapter 13:

Inferential

Statistics and

Distributions

Introduction vii

8300INTR.DOC TI-83 Intl English, Title Page Bob Fedorisko Revised: 02/19/01 11:26 AM Printed: 02/19/01 1:46

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Getting Started: Financing a Car ......................... 14-2

Getting Started: Computing Compound Interest.......... 14-3

Using the TVM Solver .................................... 14-4

Using the Financial Functions ........................... 14-5

Calculating Time Value of Money (TVM)................. 14-6

Calculating Cash Flows .................................. 14-8

Calculating Amortization ................................ 14-9

Calculating Interest Conversion.......................... 14-12

Finding Days between Dates/Defining Payment Method ..... 14-13

Using the TVM Variables ................................. 14-14

Browsing the TI-83 CATALOG ........................... 15-2

Entering and Using Strings............................... 15-3

Storing Strings to String Variables ....................... 15-4

String Functions and Instructions in the CATALOG ...... 15-6

Hyperbolic Functions in the CATALOG .................. 15-10

Getting Started: Volume of a Cylinder.................... 16-2

Creating and Deleting Programs ......................... 16-4

Entering Command Lines and Executing Programs ...... 16-5

Editing Programs ........................................ 16-6

Copying and Renaming Programs ........................ 16-7

PRGM CTL (Control) Instructions ....................... 16-8

PRGM I/O (Input/Output) Instructions ................... 16-16

Calling Other Programs as Subroutines .................. 16-22

Comparing Test Results Using Box Plots ................ 17-2

Graphing Piecewise Functions........................... 17-4

Graphing Inequalities .................................... 17-5

Solving a System of Nonlinear Equations ................ 17-6

Using a Program to Create the Sierpinski Triangle ....... 17-7

Graphing Cobweb Attractors ............................ 17-8

Using a Program to Guess the Coefficients............... 17-9

Graphing the Unit Circle and Trigonometric Curves...... 17-10

Finding the Area between Curves ........................ 17-11

Using Parametric Equations: Ferris Wheel Problem...... 17-12

Demonstrating the Fundamental Theorem of Calculus ... 17-14

Computing Areas of Regular N-Sided Polygons .......... 17-16

Computing and Graphing Mortgage Payments ........... 17-18

Chapter 14:

Financial

Functions

Chapter 15:

CATALOG,

Strings,

Hyperbolic

Functions

Chapter 16:

Programming

Chapter 17:

Applications

viii Introduction

8300INTR.DOC TI-83 Intl English, Title Page Bob Fedorisko Revised: 02/19/01 11:26 AM Printed: 02/19/01 1:46

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Checking Available Memory ............................. 18-2

Deleting Items from Memory ............................ 18-3

Clearing Entries and List Elements ...................... 18-4

Resetting the TI.83 ...................................... 18-5

Getting Started: Sending Variables ....................... 19-2

TI-83 LINK ............................................... 19-3

Selecting Items to Send .................................. 19-4

Receiving Items.......................................... 19-5

Transmitting Items....................................... 19-6

Transmitting Lists to a TI-82 ............................. 19-8

Transmitting from a TI-82 to a TI-83 ..................... 19-9

Backing Up Memory ..................................... 19-10

Table of Functions and Instructions ..................... A-2

Menu Map ............................................... A-39

Variables ................................................ A-49

Statistical Formulas ..................................... A-50

Financial Formulas ...................................... A-54

Battery Information...................................... B-2

In Case of Difficulty ..................................... B-4

Error Conditions......................................... B-5

Accuracy Information.................................... B-10

Support and Service Information......................... B-12

Warranty Information.................................... B-13

Chapter 18:

Memory

Management

Chapter 19:

Communication

Link

Appendix A:

Tables and

Reference

Information

Appendix B:

General

Information

Index

Getting Started 1

8300GETM.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 11:06 AM Printed: 02/19/01 11:06

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Gettin

Started:

Do This First!

TI-83 Keyboard .......................................... 2

TI-83 Menus ............................................. 4

First Steps ............................................... 5

Entering a Calculation: The Quadratic Formula .......... 6

Converting to a Fraction: The Quadratic Formula ........ 7

Displaying Complex Results: The Quadratic Formula .... 8

Defining a Function: Box with Lid ....................... 9

Defining a Table of Values: Box with Lid ................. 10

Zooming In on the Table: Box with Lid................... 11

Setting the Viewing Window: Box with Lid ............... 12

Displaying and Tracing the Graph: Box with Lid ......... 13

Zooming In on the Graph: Box with Lid .................. 15

Finding the Calculated Maximum: Box with Lid.......... 16

Other TI.83 Features..................................... 17

Contents

2 Getting Started

8300GETM.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 11:11 AM Printed: 02/19/01 11:14

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Generally, the keyboard is divided into these zones: graphing keys, editing

keys, advanced function keys, and scientific calculator keys.

Graphing keys access the interactive graphing features.

Editing keys allow you to edit expressions and values.

Advanced function keys display menus that access the

advanced functions.

Scientific calculator keys access the capabilities of a

standard scientific calculator.

TI-83 Keyboard

Keyboard Zones

Editing Keys

Advanced

Function Keys

Scientific

Calculator Keys

Graphing Keys

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