# TI-89 Graphing Calculator For Dummies

Published: 08-26-2005

Do you own a TI-89, TI-89 Titanium, TI-92 Plus, or a Voyage 200 graphing calculator? If you do, or if you need to get one for school or your job, then you need to know how it works and how to make the most of its functions.

TI-89 For Dummies is the plain-English nuts-and-bolts guide that gets you up and running on all the things your TI-89 can do, quickly and easily. This hands-on reference guides you step by step through various tasks and even shows you how to add applications to your calculator. Soon you’ll have the tools you need to:

• Solve equations and systems of equations
• Factor polynomials
• Evaluate derivatives and integrals
• Graph functions, parametric equations, polar equations, and sequences
• Create Stat Plots and analyze statistical data
• Multiply matrices
• Solve differential equations and systems of differential equations
• Transfer files between two or more calculators
• Save calculator files on your computer

Packed with exciting and valuable applications that you can download from the Internet and install through your computer, as well as common errors and messages with explanations and solutions, TI-89 For Dummies is the one-stop reference for all your graphing calculator questions!

## Articles From TI-89 Graphing Calculator For Dummies

7 results
7 results
TI-89 Graphing Calculator For Dummies Cheat Sheet

Cheat Sheet / Updated 02-25-2022

Your TI-89 graphing calculator (along with the TI-89 Titanium, TI-92 Plus, and Voyage 200) help you graph and so much more. You can do higher math functions, include symbols, and format equations as well as make use of the basic calculator functions — and some odd ones, too!

View Cheat Sheet
Accessing Odd Functions on the TI-89 Graphing Calculator

Article / Updated 03-26-2016

The TI-89 graphing calculator has all kinds of special functions. It can, of course, give you the mathematically certain answer you need, but it can also offer an approximation. You can tell it to stop calculating if need be, and you can go back to a previous graph. The following short list shows you how to do each:

View Article
Basic Keystrokes on the TI-92 and Voyage 200 Graphing Calculators

Article / Updated 03-26-2016

The TI-89, TI-92, and Voyage 200 calculators have similar functions, but in the case of the TI-92 and Voyage 200, different ways of accessing them. The following list shows how to access some basic functions on the TI-92 and Voyage 200.

View Article
How to Format Equations on the TI-89 Graphing Calculator

Article / Updated 03-26-2016

Your TI-89 graphing calculator can help you solve equations and systems of equations. All you have to do is put them in the proper format. Fortunately, the following list shows how to format equations so that the TI-89 graphing calculator can help solve them.

View Article
How to Access Symbols on the TI-89 Graphing Calculator

Article / Updated 03-26-2016

Of course your calculator needs a not-equal-to sign, but the TI-89 graphing calculator also offers the @, an exclamation mark, and a sigma. The following list shows you how to produce these symbols and more:

View Article
How to Find Higher Math Functions on the TI-89 Graphing Calculator

Article / Updated 03-26-2016

Of course, your TI-89 graphing calculator helps you with higher math functions — that’s part of the reason you bought it. However, you might need help finding everything. The following list doesn’t tell you how to locate everything, but it does show you how to get to some of the buttons that help you do higher math calculations:

View Article
Special Keys on the TI-89 Graphing Calculator

Article / Updated 03-26-2016

The TI-89 graphing calculator has so many functions, you may have trouble locating them all. But if you’re looking for theta or infinity (and who isn’t, right?), look no further than the following list, which shows you where to find those and some other more common functions:

View Article