Programming the TI-83 Plus/TI-84 Plus

Christopher R. Mitchell
Foreword by Brandon Wilson

September 2012
ISBN 9781617290770
352 pages
printed in black & white

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Programming the TI-83 Plus/TI-84 Plus

Christopher R. Mitchell
Foreword by Brandon Wilson

September 2012
ISBN 9781617290770
352 pages
printed in black & white

All there is to know about TI-BASIC, assembly language, and everything in between.

From the Foreword by Brandon Wilson, Advanced Call Center (ACT)

Programming the TI-83 Plus/TI-84 Plus is an example-filled, hands-on tutorial that introduces students, teachers, and professional users to programming with the TI-83 Plus and TI-84 Plus graphing calculators. This fun and easy-to-read book immediately immerses you in your first programs and guides you concept-by-concept, example-by-example. You'll learn to think like a programmer as you use the TI-BASIC language to design and write your own utilities, games, and math programs.

About the Technology

The TI-83 Plus and TI-84 Plus are more than just powerful graphing calculators--they are the perfect place to start learning to program. The TI-BASIC language is built in, so you have everything you need to create your own math and science programs, utilities--even games.

About the book

Programming the TI-83 Plus/TI-84 Plus teaches universal programming concepts and makes it easy for students, teachers, and professionals to write programs for the world's most popular graphing calculators. This friendly tutorial guides you concept-by-concept, immediately immersing you in your first programs. It introduces TI-BASIC and z80 assembly, teaches you tricks to slim down and speed up your programs, and gives you a solid conceptual base to explore other programming languages.

foreword

preface

acknowledgments

about this book

Part 1 Getting started with programming

1. Diving into calculator programming

1.1. Your calculator: the pocket computer you already own

1.2. Hello World: your first program

1.3. Math programming: a quadratic solver

1.4. Game programming: a guessing game

1.5. Summary

2. Communication: basic input and output

2.1. Getting to know the program editor and homescreen

2.2. Output: displaying text

2.3. Input from users: the Prompt and Input commands

2.4. Troubleshooting tips

2.5. Summary

3. Conditionals and Boolean logic

3.1. Introduction to comparisons

3.2. Conditional statements

3.3. Boolean logic

3.4. Summary

4. Control structures

4.1. Labels and Goto

4.2. Menus

4.3. For, While, and Repeat

4.4. Subprograms and termination

4.5. Summary

5. Theory interlude: problem solving and debugging

5.1. Introduction: idea to program

5.2. Planning a program’s structure

5.3. Headache-free coding and testing

5.4. Understanding TI-BASIC errors

5.5. Tracing malfunctioning code

5.6. Summary

Part 2 Becoming a TI-BASIC master

6. Advanced input and events

6.1. Event loop concepts

6.2. getKey

6.3. The Mouse and Cheese game

6.4. getKey odds and ends

6.5. Summary

7. Pixels and the graphscreen

7.1. Introducing the graphscreen

7.2. Drawing text: first steps on the graphscreen

7.3. Playing with pixels

7.4. A painting program

7.5. Summary

8. Graphs, shapes, and points

8.1. Another coordinate system: points versus pixels

8.2. Graphing from programs

8.3. Drawing with points

8.4. Lines and shapes

8.5. Working with pictures

8.6. Summary

9. Manipulating numbers and data types

9.1. Using strings

9.2. Lists and matrices

9.3. Working with integers and complex numbers

9.4. Revisiting randomness

9.5. Fun with data types: a single-screen RPG

9.6. Summary

Part 3 Advanced concepts; what’s next

10. Optimizing TI-BASIC programs

10.1. Implicit conditionals

10.2. Exploiting Ans

10.3. Compressing numbers and choices

10.4. Space-saving tips and tricks

10.5. Summary

11. Using hybrid TI-BASIC libraries

11.1. Introducing hybrid TI-BASIC

11.2. Working with hybrid sprites

11.3. Tilemapping and scrolling

11.4. Finding and executing programs

11.5. Other hybrid tools

11.6. Summary

12. Introducing z80 assembly

12.1. What is assembly?

12.2. "Hello, World"

12.3. Bases and registers

12.4. z80 math with registers

12.5. Functions and control flow

12.6. Summary

13. Now what? Expanding your programming horizons

13.1. Taking your calculator programming further

13.2. Expanding your programming horizons

13.3. Working with hardware

13.4. Final thoughts

Appendix A: Review: using your calculator

Appendix B: TI-BASIC command reference

Appendix C: Resource list

Appendix D: Programming the TI-84 Plus C Silver Edition and TI-84 Plus CE — available online only

index

What's inside

Works with all models of the TI-83, TI-83+, and TI-84+
Learn to think like a programmer
Learn concepts you can apply to any language
Advanced concepts such as hybrid BASIC and ASM

About the reader

This book is written for beginners--no programming background is assumed.

About the author

Christopher Mitchell is a PhD candidate and a recognized leader in the TI-83+/TI-84+ programming community. He hosts discussions and collaboration on calculator programs and projects at his website, Cemetech.

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