Texas Instruments TI-Nspire Quick start guide

CAS Computer Software

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Important Information
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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
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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
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party.
License
Please see the complete license installed in C:\Program Files\TI
Education\TI-Nspire CAS.
© 2007 Texas Instruments Incorporated
Microsoft®, Windows®, Excel®,Vernier EasyTemp®, Go!®Temp and
Go!®Motion are trademarks of their respective owners.

Contents
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Important Information................................................................... ii
License...................................................................................... ii
Introduction ............................................................................1
The TI-Nspire™ CAS computer software for math and science... 1
How to use this guidebook............................................................ 1
Getting Started .......................................................................3
The TI-Nspire™ CAS computer software Home Screen................ 3
Using menus ................................................................................... 4
Menu Options.......................................................................... 4
Using tool bars................................................................................ 8
Tool bar contents .................................................................... 8
The Page Sorter ............................................................................ 10
Using the Work Area.................................................................... 11
Multiple work areas on one page........................................ 11
Creating multiple work areas............................................... 12
Adding an application to a page ......................................... 12
Repositioning (swapping) applications on a page.............. 13
Deleting pages or applications............................................. 13
The TI-Nspire™ Keypad................................................................ 13
Using the TI-Nspire™ keypad............................................... 14
Language Settings........................................................................ 14
Changing the Language: ...................................................... 14
Document Settings ....................................................................... 15
Customizing document settings........................................... 16
Applying document settings to the system ......................... 17
Using the catalog ......................................................................... 17
Opening the catalog............................................................. 18
Entering special characters or templates.................................... 19
Changing the desktop view......................................................... 20
TI-Nspire™ Handheld View................................................... 20
Presentation View ................................................................. 21
Working with Documents.....................................................23
Creating a new document ........................................................... 23
Adding an application to a page ......................................... 24
Adding multiple applications to a page .............................. 25
Adding a problem to a document ....................................... 27
Adding a page to a problem ................................................ 27
Using the Page Sorter .................................................................. 28
Selecting pages in the Page Sorter ...................................... 28

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Rearranging pages in the Page Sorter ................................. 28
Saving documents.........................................................................29
Saving a document with a new name..................................29
Printing documents ......................................................................30
Using Print Preview ...............................................................31
Linking values on pages ...............................................................31
Creating TI-Nspire™ variables ..............................................32
Special considerations for variables .....................................34
Checking a variable’s value using the Calculator
application .......................................................................36
Using (linking) TI-Nspire™ variables ....................................36
Removing a linked variable ..................................................39
Using Calculator ................................................................... 41
Getting started with the Calculator application.........................41
Before you begin...................................................................47
Entering and evaluating math expressions.................................47
Options for entering expressions .........................................47
Entering simple math expressions........................................47
Controlling the form of a result ...........................................48
Inserting items from the Catalog .........................................49
Using an expression template...............................................50
Creating matrices...................................................................51
Inserting a row or column into a matrix..............................52
Inserting expressions using a wizard....................................52
Creating a piecewise function ..............................................54
Creating a system of equations ............................................54
Deferring evaluation............................................................. 55
Working with variables ................................................................55
Storing a value in a variable .................................................55
Alternative methods for storing a variable .........................56
Checking a variable’s value...................................................56
Using a variable in a calculation...........................................56
Updating a variable...............................................................57
Types of variables ..................................................................57
Entering multiple statements on the entry line ..................57
Rules for naming variables....................................................58
Reusing the last answer ........................................................59
Temporarily substituting a value for a variable...................60
Creating user-defined functions and programs..........................60
Defining a single-line function.............................................60
Defining a multiple-line function using templates .............60
Defining a multiple-line function manually ........................62
Defining a program...............................................................63
Recalling a function or program definition.........................64

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Editing Calculator expressions..................................................... 64
Positioning the cursor in an expression............................... 64
Inserting into an expression in the entry line ..................... 65
Selecting part of an expression............................................ 65
Deleting all or part of an expression on the entry line ...... 65
Financial calculations ................................................................... 65
Using the Finance Solver....................................................... 65
Finance functions included................................................... 67
Working with the Calculator history........................................... 67
Viewing the Calculator history............................................. 67
Reusing a previous expression or result............................... 68
Deleting an expression from the history ............................. 69
Clearing the Calculator history............................................. 69
Using Graphs & Geometry ....................................................71
Getting started with Graphs & Geometry................................... 71
Getting acquainted with Graphs & Geometry .................... 72
The Tool menu.............................................................................. 72
Using the Context menu....................................................... 81
The work area............................................................................... 81
The graphing view ................................................................ 82
The plane geometry view..................................................... 82
The analytic window............................................................. 83
To remove the analytic window from the work area ......... 84
Creating and manipulating axes.......................................... 87
Moving about the work area ............................................... 89
Turning the grid on or off .................................................... 90
Attaching an object to the grid ........................................... 91
The Zoom feature ................................................................. 91
Checking page contents ....................................................... 94
The entry line................................................................................ 94
Additional Graphs & Geometry features .................................... 96
Keystroke shortcuts............................................................... 96
Using the tab and arrow keys .............................................. 96
Attribute settings .................................................................. 97
Changing the thickness and style of a line/outline............. 99
Locking measured values and points................................. 100
Working with functions ............................................................. 101
Using the entry line............................................................. 101
Using the entry line expand button................................... 102
Using the Text tool to enter functions............................... 102
Graphing inequalities ......................................................... 104
Renaming f(x) ...................................................................... 104
Editing functions ................................................................. 105
Hiding a function on the work area .................................. 106

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Deleting a function ............................................................. 107
Clearing the work area...............................................................107
The Trace tools............................................................................107
Using Graph Trace ...............................................................108
Using Geometry Trace .........................................................109
Using Erase Geometry Trace ...............................................110
Manually manipulating functions .............................................111
Manipulating a linear function ..........................................112
Manipulating a quadratic function....................................112
Manipulating a sine or cosine function .............................113
Working with multiple objects at one time..............................114
Selecting multiple objects ...................................................114
Deleting multiple selections ...............................................115
Moving multiple selections.................................................115
Drawing and working with points and lines ............................115
Points...........................................................................................116
Creating a point...................................................................116
Creating a point on a specific object..................................116
Defining an intersection point(s)........................................117
Labeling (identifying) a point.............................................117
Naming a point ...................................................................118
Redefining a point...............................................................119
Linear objects..............................................................................120
Creating a line .....................................................................120
Creating a ray ......................................................................120
Creating a line segment......................................................121
Creating a line segment with defined midpoint...............122
Creating a parallel line........................................................123
Creating a perpendicular line.............................................124
Creating a vector .................................................................125
Moving a vector...................................................................126
Resizing a vector..................................................................126
Creating a tangent ..............................................................126
Creating and working with objects (shapes) ............................127
Creating a circle...................................................................127
Moving a circle.....................................................................128
Resizing a circle....................................................................128
Creating a triangle ..............................................................131
Moving a triangle................................................................131
Reshaping a triangle ...........................................................132
Creating a rectangle............................................................132
Creating a polygon..............................................................133
Moving a polygon ...............................................................134
Reshaping a polygon...........................................................134
Creating a regular polygon.................................................135
Transferring Measurements .......................................................136

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Transferring a measurement .............................................. 136
Transferring a numerical text entry to an axis .................. 137
Transferring a measurement onto a circle......................... 138
Measuring graphs and objects .................................................. 139
Identifying equations for circles and lines......................... 139
Measuring length................................................................ 140
Finding the area of a circular disc, polygon,
rectangle or triangle ..................................................... 142
Finding the perimeter of a circular disc, polygon,
rectangle or triangle ..................................................... 142
Finding the measure of an angle....................................... 143
Defining an angle with three points ................................. 143
Repositioning a measured value........................................ 144
Finding the slope of a line, ray, segment or vector........... 144
Adding text to the work area ............................................ 145
Moving text ......................................................................... 146
Using the Calculate tool ..................................................... 146
Exploring functions, graphs, and objects.................................. 147
Finding points of interest: zeroes, minima, maxima......... 148
Finding the definite integral of a function ....................... 149
Finding the derivative of a function at a point
(the slope) ...................................................................... 150
Transformations.......................................................................... 151
Exploring symmetry ............................................................ 151
Exploring reflection ............................................................ 152
Exploring translation .......................................................... 153
Exploring rotation............................................................... 154
Exploring dilation................................................................ 155
Other investigations................................................................... 157
Bisecting a segment defined on a line............................... 157
Bisecting a segment ............................................................ 158
Bisecting an implied segment ............................................ 159
Bisecting an angle ............................................................... 160
Bisecting an implied angle ................................................. 161
Creating a locus................................................................... 162
Animating objects ...................................................................... 164
Animating one point on an object .................................... 164
The animation control panel.............................................. 165
Changing the animation of a point in motion.................. 166
Pausing and resuming animation ...................................... 166
Resetting animation............................................................ 166
Stopping animation ............................................................ 166
Plotting collected data............................................................... 167
Creating a scatter plot ........................................................ 167

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Using Lists & Spreadsheet.................................................. 171
Getting started with tables........................................................171
Before you begin.................................................................175
Navigating in a spreadsheet ...............................................175
Inserting a cell range into a formula..................................176
Methods of entering data...................................................178
Entering a math expression, text, or spreadsheet
formula...........................................................................179
Working with individual cells ....................................................180
Creating absolute and relative cell references ..................180
Inserting items from the Catalog .......................................181
Deleting the contents of a cell or block of cells ................182
Copying a cell or block of cells ...........................................183
Filling adjacent cells ............................................................184
Sharing a cell value as a variable........................................185
Linking a cell to a variable.................................................. 185
Preventing name conflicts...................................................186
Working with rows and columns of data..................................187
Selecting a row or column ..................................................187
Resizing a row or column....................................................187
Inserting an empty row or column.....................................188
Deleting entire rows or columns ........................................188
Copying rows or columns....................................................189
Moving a column.................................................................190
Sorting data ................................................................................191
Sorting a range of cells in a column...................................191
Sorting a rectangular region ..............................................192
Sorting entire columns........................................................193
Generating columns of data ......................................................194
Creating column values based on another column........... 195
Generating a list of random numbers................................196
Generating a numerical sequence......................................196
Creating and sharing spreadsheet data as lists.........................198
Sharing a spreadsheet column as a list variable................198
Linking to an existing list variable......................................201
Inserting an element in a list ..............................................201
Deleting an element from a list..........................................201
Graphing spreadsheet data........................................................202
Capturing data from Graphs & Geometry.................................204
Capturing data manually ....................................................204
Capturing data automatically.............................................206
Creating function tables............................................................. 207
Showing and Hiding function tables..................................208
Generating a function table ...............................................209
Adding a function table from Graphs & Geometry...........210

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Viewing values in a function table .................................... 210
Editing a function ............................................................... 211
Changing the settings for a function table....................... 211
Deleting a column in the function table ........................... 212
Using table data for statistical analysis..................................... 212
Plotting statistical data....................................................... 212
Statistical calculations ................................................................ 214
Performing a statistical calculation.................................... 214
Supported Statistical Calculations...................................... 216
Distributions ............................................................................... 220
Calculating distributions..................................................... 221
Supported Distribution functions ...................................... 223
Confidence Intervals................................................................... 229
Supported Confidence Intervals......................................... 229
Stat tests...................................................................................... 232
Supported Statistical tests .................................................. 232
Statistics Input Descriptions ....................................................... 238
Exchanging data with other computer software ..................... 239
Example - copying data from TI DataEditor ...................... 240
Example - copying cells from an Excel® spreadsheet ....... 241
Using Data & Statistics .......................................................245
The Tool menu............................................................................ 246
Getting started with Data & Statistics....................................... 251
Creating plots from spreadsheet data ...................................... 251
Plotting data from Lists & Spreadsheet ............................. 251
Creating a split page with Data & Statistics and
Lists & Spreadsheet........................................................ 254
Plotting the contents of linked variables.................................. 254
Plot types .................................................................................... 257
Dot plots ..................................................................................... 257
Creating a dot plot.............................................................. 258
Box plots ..................................................................................... 259
Creating a boxplot .............................................................. 259
To change the boxplot from modified to standard .......... 261
Extending Box Plot Whiskers.............................................. 261
Showing Box Plot Outliers .................................................. 263
Histograms.................................................................................. 264
Creating a histogram .......................................................... 264
Adjusting the bins interactively ......................................... 265
Adjusting bins numerically ................................................. 266
To change the scale:............................................................ 269
Plotting a value ................................................................... 269
Removing a plotted value .................................................. 271
Normal probability plots............................................................ 271

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Creating a normal probability plot ....................................271
Scatter Plots.................................................................................271
From the Lists & Spreadsheet work area:...........................272
From the Data & Statistics work area:................................272
X-Y line plots...............................................................................274
Multiple Plots..............................................................................274
Exploring data.............................................................................275
Moving points or bins of data ............................................276
Selecting multiple points ....................................................278
Selecting a range of points.................................................280
Changing plot type..............................................................282
Rescaling a graph ................................................................283
Adding a movable line........................................................286
Rotating a movable line......................................................287
Showing regression lines.....................................................289
Showing residual squares....................................................291
Using Window/Zoom tools.........................................................292
Graphing Functions ....................................................................294
Graphing multiple functions using the
Plot Function tool ..........................................................294
Entering functions from other applications ...................... 295
Editing a functions ..............................................................298
Using Data & Statistics functions in other applications ....298
Supported function types ...................................................298
Using Show Normal PDF......................................................299
Using Shade Under Function ..............................................300
Using Statistical Tools .................................................................302
Using Notes......................................................................... 303
Getting started with the Notes application..............................303
The Notes tool menu..................................................................304
Before you begin.................................................................305
The Notes work area ..................................................................305
Notes templates..........................................................................305
Applying a Notes template.................................................306
Using the Q&A Template ....................................................306
Using the Proof Template ...................................................306
Inserting comments ....................................................................307
Formatting Notes text ................................................................308
Selecting text .......................................................................308
Applying a text format........................................................308
Inserting geometric shape symbols ....................................308
Entering and evaluating expressions.........................................309
Entering an expression........................................................309
Evaluating an expression ....................................................309