Texas Instruments TI-Nspire CX Manual de usuario
© 2012 Texas Instruments Educaon Technology Page 1
FirstSteps
with
Technologyforteachingand
learningmathematics
SevenIntroductoryTutorialsforthe
Handheld
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© 2012 Texas Instruments Educaon Technology Page 1
Start by spending a few seconds looking at the layout of the keypad.
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This rst tutorial introduces some of the key features of TI-Nspire™ learning technology, in parcular the
structure of TI-Nspire documents, with dierent applicaons operang on dierent pages. The various menus
are introduced, as well as creang and navigang around documents. The tutorial assumes that you are using
the TI-Nspire handheld device and the tutorial begins by drawing a comparison between this and other types
of technology.
Pick up the TI-Nspire handheld device and, if you are used to using a calculator, parcularly
a Texas Instruments TI-83 or TI-84 graphics calculator, you are likely to feel a certain reassuring familiarity:
there’s a screen and a keyboard laid out in a fairly familiar way. As with many calculators the switch is in
the top right corner. So press c to switch on.
See Geng Started with the TI-Nspire Handheld, Recharging the Handheld
Please don’t worry about what’s on the screen for the moment, but think about how to switch it o. The c
key has “o” wrien in light blue above it so that’s the one to use aer pressing the blue key marked /.
But just a minute, it was a key marked that you used on the calculators, and the change to the use of a
key is quite signicant. The designers at TI have moved to making this device much more like a computer and
it has a ctrl key, /, and also a shi key g. Many of the main keys on the handheld have second funcons
wrien in blue above the key and these are acvated using the ctrl key. Noce for example q, p and h. The
ctrl key can be used in conjuncon with the alphabec keys to create keyboard shortcuts just as you are used to
doing on a computer. For example, you can copy and paste using /C and /V. There’s also that most useful
keyboard shortcut for undoing a previous acon, /Z, which can also be acvated by pressing /d(ª).
(See Geng Started guide, Using Keyboard Shortcuts for a full list).
Just like a computer, documents can be stored on the TI-Nspire CX handheld – The TI-Nspire™ CX handheld
comes equipped with 192 MB of memory Of the total memory, 128 MB is dedicated to document storage. As
documents are created and stored they take up space on the handheld’s memory so you may nd that every
now and again you need to free space on memory aer long-term use. If there isn’t enough memory on the
handheld, you can do one of the following:
• Back up documents and folders to a computer or another TI-Nspire CX
• Delete documents and folders you no longer use
• Reset the memory, which deletes all les and folders on the handheld
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The TI-Nspire™ CX handheld comes with a rechargeable baery, which should be charged for at least six hours
before rst use. The built-in rechargeable baery does not need to be removed from the handheld in order to
recharge it. The handheld will sll work and can be used while it is charging.
With use of 2 hours per day at the default brightness level the baery should last for up to 10 days.
The handheld comes with the following cables:
• Standard mini-A to mini-B USB cable for transferring les between handhelds
• Standard A to mini-B USB cable for transferring les to and from a computer and for charging the baery via
the USB port
To charge the baery in the TI-Nspire™CX handheld:
• Connect the handheld to a computer using a standard A to mini-B USB cable. If the driver is not found when
the handheld is connected to the computer download the soware that includes a driver from
.
OR
• Connect to a wall outlet using a TI wall adapter (sold separately).
OR
• Place the handheld or mulple handhelds in a TI-Nspire™ CX Docking Staon.
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When you switched on a calculator you expected to see
what was called the and you’d be able to
start carrying out calculaons right away. But the TI-Nspire
handheld is dierent in this respect too. Press c, the
home buon, a black key at the top right of the keypad. You
should see a screen similar to this. Navigate to the various
icons on the Home Screen using the large square
on the keypad. This behaves as both a touchpad (like using a
laptop), and as a navigaonal device as you can press on the
up, down, le and right arrows to move the selector around.
To click or select something you press the x square symbol in
the middle of the touchpad, or press the enter key. However
don’t select anything else yet!
Consider whether the TI-Nspire’s home screen is more reminiscent of a calculator or of a computer. When a
computer wakes up you rst see the desktop and in many ways this TI-Nspire Home Screen is similar. With a
computer you have to choose an applicaon to use -- a word-processor, spreadsheet or whatever. You then
must open a document within which you will be able to write text, do calculaons, manipulate images etc.
Desktop Choose Applicaon Open Document
In many ways working with TI-Nspire is similar. You always have to work within a document and you can use
dierent applicaons to calculate, draw graphs, , work with geometry, manipulate lists and spreadsheets, work
with data and stascs, add notes and perform data logging.
The TI-Nspire applicaons are:
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What is quite dierent from the computer is that within one document you can have mulple pages or
problems that can make use of the dierent applicaons. The spreadsheet on one page of a document can
interact seamlessly with calculaons done on a calculator page and graphs drawn on another. You can also
have more than one dierent representaon on one page.
This use of mulple representaons is one of the many things that make the TI-Nspire such a powerful tool.
So with TI-Nspire you rst open a document, or start a new one, and then choose an applicaon.
Home screen New document Choose applicaon
If you would like to return to the document you are working on without inserng
a new page, from the Home screen select opon .
You can do this by pressing 4 on the keypad.
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Page 10 © 2012 Texas Instruments Educaon Technology
Because there are some occasions when you really just
want to carry out a quick calculaon or draw a quick graph
the TI-Nspire includes a feature called the .
The scratchpad is designed for those casual throw-away
calculaons that need to be done from me to me, but
are not worth keeping in a full document. To access the
Scratchpad press ».
This opens a calculator page for performing quick calculaons.
Pressing » again swaps between the calculator and a graph
scratchpad page. To close the Scratchpad simply press d.
In order to see what documents are pre-loaded on your
handheld you need to use opon 2 on the Home screen:
…
Either use the touchpad to move the selector down to
the … opon then press x to select it.
Or use the touchpad to move the cursor over opon 2 and
x Or just press 2 key to select opon the 2nd opon.
You should see a screen called the Document Browser and it
will be something like the one shown here. Documents are
organized into folders as they would be on a computer. A new
TI-Nspire handheld should have a folder called :
Tip: You can use either x or · as
alternave key presses
Move the cursor to the folder entled .
Then press x or · or ¢ on the touchpad to open the folder.
Inside the Folder on your handheld you will
probably nd a document entled ’Geng Started 3_0’.
Use ¤ to locate and · to open the document.
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e is oen used to move to and
highlight dierent parts of the screen
Name of Document
Total number of pages in the problem
Number or Name of the Problem
If the handheld has been used previously you will see a dialog
box asking you if you want to save the document that is
currently open. Unless you want to save your previous work
press e or ¢ to move the highlight to No. To conrm this
choice press ·.
When the document opens you may see a screen similar
to the one shown on the le. For the moment, please do
not follow the instrucons on the screen just yet! Connue
working through this tutorial, which will introduce you to
many of the key features of the TI-Nspire document model.
Among these key features are useful and easy ways to
navigate through documents. For example, pressing / ¢ will
take you to the next page in a document. Similarly, pressing
/¡ returns you to the previous page. Pressing /£ will
take you to the Page Sorter which enables you to move
quickly and easily through the pages of a document.
Noce the informaon typically provided on the Page Sorter:
A TI-Nspire document can consist of mulple problems and each problem can consist of mulple pages.
For example, the document shown here consists of at least two problems, with 5 and 9 pages respecvely.
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Page 12 © 2012 Texas Instruments Educaon Technology
If the ‘Geng Started 3_0’ document is present on your handheld, work through it now as far
as page 2.5. This will allow you to revise what has been covered so far in this tutorial
Scroll downwards with the Touchpad and you will see all the problems in the document. If you move the
highlight onto Problem 2, say, and press ¡ the pages of that problem will close up. Pressing · or /¤ takes
you back to single page view on the page currently selected.
Each page of a document contains one (or more) of the TI-Nspire applicaons.
As a reminder, these are the same applicaons that can be accessed from the Home screen, i.e.:
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The use of each of the applicaons which you might want to
use for data logging is covered in the tutorials that follow. Any
page can be divided into as many as four work areas, allowing
up to four dierent applicaons to be used per page. To do this,
See ‘Spling the Screen’ in Tutorial 3, page 23.
Shown here is a page that has been split into two with the
applicaon on the le, and the
applicaon beside it.
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© 2012 Texas Instruments Educaon Technology Page 13
Return to the Home screen, and select … to access
the document browser. Noce that within the document
browser new folders may be created or folders renamed.
Items that are grey, rather than black in a menu cannot be
chosen in the current environment. For example, on the
screen on the le, opon … is unavailable.
To save a document under a new name press ~.
This opens a menu providing access to document management features. By pressing 1 and then 5 the
document can be saved under another lename.
Pressing d will always close
down a menu or dialog box.
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