Texas Instruments Ti nspire cx Manual

Getting Started with the

TI-Nspire™ CX/

TI-Nspire™ CX CAS Handheld

This guidebook applies to TI-Nspire™ software version 4.2. To obtain the latest version

of the documentation, go to education.ti.com/guides.

Important Information

Except as otherwise expressly stated in the License that accompanies a program, 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 amount set forth in

the license for the program. Moreover, Texas Instruments shall not be liable for any

claim of any kind whatsoever against the use of these materials by any other party.

FCC Statement

Note: 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

to 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, the user is encouraged

to 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/TV technician for help.

Modifications not expressly approved by the manufacturer could void the user’s

authority to operate the equipment under FCC rules.

Vernier DataQuest™ is a trademark of its respective owner.

Contents

Important Information 2

Getting Started with the TI-Nspire™ CX Handheld 7

About CAS 7

TI-Nspire™ CX Handheld Keys 8

Preparing the TI-Nspire™ CX Handheld for Use 8

Turning On the TI-Nspire™ Handheld for the First Time 9

Adjusting the Brightness of the Backlighting 11

Using the TI-Nspire™ Touchpad 11

Understanding the Scratchpad 12

Using the Home Screen 12

The TI-Nspire™ CX Handheld Screen 14

Using Hints 15

Using Keyboard Shortcuts 16

Using the Scratchpad 21

Opening and Closing the Scratchpad 21

Calculating with Scratchpad 22

Inserting Items from the Catalog 23

Viewing the History 26

Editing Scratchpad Expressions 27

Graphing with the Scratchpad 28

Working with Variables in the Scratchpad 32

Saving the Scratchpad Contents 33

Clearing Scratchpad Contents 33

Working with Documents on TI-Nspire™ Handhelds 35

Opening a Document 35

Creating a New Document 35

Saving Documents 36

Working with Applications 38

Using the Application Menu 43

Context Menus 44

Working with Problems and Pages 44

Adding a Problem to a Document 45

Viewing and Reordering Pages in a Document 45

Copying, Pasting, and Deleting Problems 48

Renaming a Problem 49

Adding a Page to a Problem 49

Moving Through Pages in a Document 50

Managing Documents 50

Closing a Document 54

Understanding the TI-Nspire™ Tools 54

Working with Images 59

Working with Images on a Handheld 59

Working in a TI-Nspire™ CX Navigator™ Teacher Software Classroom 63

Using Wireless Communication Hardware 63

Connecting to the TI-Nspire™ CX Navigator™ System 67

Understanding File Transfers 69

Configuring Handhelds 71

Checking Battery Status 71

Recharging the Handheld 71

Changing Handheld Settings 72

Changing a Preferred Language 73

Customizing the Handheld Setup 73

Customizing Document Settings 74

Customizing Graphs & Geometry Settings 78

Viewing Handheld Status 80

Replacing TI-Nspire™ Rechargeable Batteries 81

Connecting Handhelds and Transferring Files 83

Connecting Handhelds 83

Transferring Files between Handhelds 84

Transferring Files Between Computers and Handhelds 86

Handling Errors Resulting from Sending Folders 87

Memory and File Management 89

Checking Available Memory 89

Freeing Memory 89

Resetting the Memory 92

Updating the Handheld Operating System 95

What You Need to Know 95

Finding Operating System Updates 96

Performing the OS Update 97

Updating the OS on Multiple Handhelds 100

OS Upgrade Messages 101

General Information 103

Texas Instruments Support and Service 103

Service and Warranty Information 103

Precautions for Rechargeable Batteries 104

Korean Class A Warning Statement 105

Index 107

Getting Started with the TI-Nspire™ CX Handheld

The TI-Nspire™ CX handheld and the TI-Nspire™ CX CAS handheld are the newest

handhelds in the TI-Nspire™ family of products. Featuring a backlit color display and a

slimmer form, the handhelds provide touchpad navigation, dynamic graphing, and

interactive computer features.

The handhelds and the TI-Nspire™ software share the same functionality, enabling you

to transfer class assignments from the handheld to the computer or transfer

documents to the handheld when you need to be mobile. Start assignments at school,

and then finish the work at home to take advantage of the software’s full-color display

and easy-to-use navigation. Use the software to download the latest software and

handheld operating system updates as they become available to ensure you have the

latest enhancements.

This guide covers both the TI-Nspire™ CX handheld and the TI-Nspire™ CX CAS

handheld. While they operate identically in many ways, there are a few distinctions. If

the TI-Nspire™ CX CAS handheld has additional functionality, it is pointed out and the

CAS operation is described.

About CAS

With CAS, or the Computer Algebra System, you can:

• Perform both symbolic and numeric calculations.

• Factor and expand expressions and solve for common denominators.

TI-Nspire™ CAS technology makes it possible to recognize, simplify, and calculate math

expressions, preserving the symbols including variables and terms such as “e” and p.

This ability to enter and view equations and expressions on screen as they appear in

textbooks is especially useful for step-by-step, arithmetic, algebraic, and calculus

calculations.

Getting Started with the TI-Nspire™ CX Handheld 7

8 Getting Started with the TI-Nspire™ CX Handheld

TI-Nspire™ CX Handheld Keys

Use the TI-Nspire™ Touchpad as you would a laptop touchpad. You can also press the outer edges to

move right, left, up, and down.

dRemoves menus

or dialog boxes from

the screen. Also stops a

calculation in progress.

»Opens the

Scratchpad for

performing quick

calculations and

graphing.

eMoves to the next

entry field.

gMakes the next

character typed upper-

case.

/Provides access to

the function or

character shown above

each key. Also enables

shortcuts in

combination with other

keys.

cTurns on the

handheld. If the

handheld is on, this

key displays the

home screen.

~Opens the

Document menu.

bDisplays the

application or

context menu.

.Deletes the

previous character.

hDisplays stored

variables.

·Evaluates an

expression, executes

an instruction, or

selects a menu item.

Note: A¢symbol on a key indicates access to multiple options. To access an option, press º

repeatedly or use the arrow keys on the Touchpad. Press ·or click to select the option.

Preparing the TI-Nspire™ CX Handheld for Use

The TI-Nspire™ CX handheld comes equipped with a Li-ion rechargeable battery. The

handheld also comes with the following accessories:

• Standard mini-A to mini-B USB cable for transferring files to another handheld

• Standard A to mini-B USB cable for transferring files to and from a computer and

for charging the battery

Charging the Handheld

▶Using one of the following options, charge the battery for at least four hours to

ensure optimum performance.

- Connect the handheld to a computer using a standard A to mini-B USB cable.

To download software that includes a driver, go to education.ti.com/software.

- Connect to a wall outlet using a TI wall adapter (sold separately in Europe and

Asia).

- If in a classroom setting, place the handheld or multiple handhelds in a

TI-Nspire™ CX Docking Station or a TI-Nspire™ Docking Station.

Note: The TI-Nspire™ CX handheld may have a Deep Sleep feature to maximize battery

life. Handhelds with this feature have a blue reset button. To wake the handheld from

Deep Sleep mode, press cfor at least 4 seconds or apply USB (computer or wall

adapter) or Docking Station power. After waking the handheld, you can turn it on

anytime by pressing c. To maximize battery life during extended storage periods,

enable Deep Sleep mode. To put the handheld in Deep Sleep mode, press and hold

down the reset button on the back of the handheld for at least 4 seconds.

Note: For more information about recharging batteries, see Configuring TI-Nspire™

Handhelds.

Turning On the TI-Nspire™ Handheld for the First Time

▶After charging the battery, presscto turn on the handheld.

A progress bar is displayed while the operating system loads. Next, choose

preferences for language and font size when prompted.

Note: To turn the handheld off, press / c. The settings and memory contents

are retained.

Using Automatic Power Down™

To prolong battery life, the Automatic Power Down™ (APD™) feature turns off the

handheld after three minutes of inactivity. When this happens, press cto turn the

handheld on and return to the last document or last menu accessed. To change the

default setting, press c 5 3 to access the Handheld Setup screen where you can

change the Power Standby setting.

Note: For more information about setting up the handheld, see Configuring Handhelds.

Choosing a Language

After the OS is loaded, select a preferred language.

Getting Started with the TI-Nspire™ CX Handheld 9

10 Getting Started with the TI-Nspire™ CX Handheld

1. Press ¢to open the drop-down list.

2. Press6to scroll through the languages, and then press xor·to select a

language.

3. Presseto highlight the OK button, and then press xor·to save the

language selection.

Choosing a Font Size

Next, select a font size for the display.

1. Press ¢to open the drop-down list.

2. Press6to highlight the font size, and then press xor·to select it.

3. Presseto highlight the OK button, and then press xor·.

The Welcome! screen opens.

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