Texas Instruments TI-NSPIRE Software Manual page 4

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
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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application ....................................................................... 36