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TI-84 Plus / TI-84 Plus Silver Edition

5/21/04

First Steps

On/Off Using parentheses Graphing a function

Creating...

Tables Matrices

Beyond the Basics

Inferential statistics Programming

More Information

Sending and receiving Formulas

Menus Modes Lists

Data and lists Split screen

Archiving/Unarchiving Functions & instructions

Troubleshooting Support and Service

? 2004 Texas Instruments

Important Information

Texas Instruments makes no warranty, either express 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 product. Moreover, Texas Instruments shall not be liable for any claim of any kind whatsoever against the use of these materials by any other party.

? 2004 Texas Instruments Incorporated Windows and Macintosh are trademarks of their respective owners.

USA FCC Information Concerning Radio Frequency Interference

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:

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? 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.

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Chapter 1: Operating the TI-84 Plus Silver Edition

Documentation Conventions

In the body of this guidebook, TI-84 Plus refers to the TI-84 Plus Silver Edition. Sometimes, as in Chapter 19, the full name TI-84 Plus Silver Edition is used to distinguish it from the TI-84 Plus.

All the instructions and examples in this guidebook also work for the TI-84 Plus. All the functions of the TI-84 Plus Silver Edition and the TI-84 Plus are the same. The two graphing handhelds differ only in available RAM memory, interchangeable faceplates, and Flash application ROM memory.

TI-84 Plus Keyboard

Generally, the keyboard is divided into these zones: graphing keys, editing keys, advanced function keys, and scientific calculator keys.

Keyboard Zones Graphing -- Graphing keys access the interactive graphing features.

Editing -- Editing keys allow you to edit expressions and values.

Advanced -- Advanced function keys display menus that access the advanced functions.

Chapter 1: Operating the TI-84 Plus Silver Edition

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Scientific -- Scientific calculator keys access the capabilities of a standard scientific calculator.

TI-84 Plus

Graphing Keys

Editing Keys Advanced Function Keys

Scientific Calculator Keys

Chapter 1: Operating the TI-84 Plus Silver Edition

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Using the Color.Coded Keyboard

The keys on the TI-84 Plus are color-coded to help you easily locate the key you need.

The light colored keys are the number keys. The light gray keys along the right side of the keyboard are the common math functions. The light gray keys across the top set up and display graphs. The OE key with the purple lettering provides access to applications such as the Inequality Graphing application.

The primary function of each key is printed on the keys. For example, when you press , the MATH menu is displayed.

Using the y and Keys

The secondary function of each key is printed in blue above the key. When you press the blue y key, the character, abbreviation, or word printed in blue above the other keys becomes active for the next keystroke. For example, when you press y and then , the TEST menu is displayed. This guidebook describes this keystroke combination as y :.

The alpha function of each key is printed in green above the key. When you press the green key, the alpha character printed in green above the other keys becomes active for the next keystroke. For example, when you press and then , the letter A is entered. This guidebook describes this keystroke combination as [A].

Chapter 1: Operating the TI-84 Plus Silver Edition

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The y key accesses the second function printed in blue above each key.

The key accesses the alpha function printed in green above each key.

Turning On and Turning Off the TI-84 Plus

Turning On the Graphing Handheld

To turn on the TI-84 Plus, press ?.

? If you previously had turned off the graphing handheld by pressing y M, the TI-84 Plus displays the home screen as it was when you last used it and clears any error.

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? If Automatic Power DownTM (APDTM) had previously turned off the graphing handheld, the TI-84 Plus will return exactly as you left it, including the display, cursor, and any error.

? If the TI-84 Plus is turned off and connected to another graphing handheld or personal computer, any communication activity will "wake up" the TI-84 Plus.

To prolong the life of the batteries, APD turns off the TI-84 Plus automatically after about five minutes without any activity.

Turning Off the Graphing Handheld

To turn off the TI-84 Plus manually, press y M.

? All settings and memory contents are retained by Constant MemoryTM. ? Any error condition is cleared.

Batteries

The TI-84 Plus uses five batteries: four AAA alkaline batteries and one SR44SW or 303 silver oxide backup battery. The silver oxide battery provides auxiliary power to retain memory while you replace the AAA batteries. To replace batteries without losing any information stored in memory, follow the steps in Appendix B.

Chapter 1: Operating the TI-84 Plus Silver Edition

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