# Graphing Calculators

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### TI-Nspire Calculator Application Menu's Matrix Commands

Access the Catalog in the TI-Nspire Calculator application. Press [MENU]→Matrix & Vector to access the Matrix commands. Many of the items contained in the Matrix & Vector menu work with a matrix that you

### TI-Nspire Calculator Application Calculus and Finance Tools

Even if you aren’t in a calculus class, you may find some of the tools in the TI-Nspire Calculator Application menu's Calculus submenu helpful. Using the Numerical Function Minimum tool, you can find the

### How to Store Variables in the TI-Nspire

When working with TI-Nspire, keep in mind that variables are shared among applications within the same problem. You might want to store a variable for a variety of reasons. Here’s a list of some of those

### Use the TI-Nspire Define Command to Store a Function

The TI-Nspire Define command offers yet another way to store a variable. Here’s an example of how you can create your own function in the Calculator application using the Define command:

### How to Recall a Variable on the TI-Nspire

After a variable has been stored in any TI-Nspire application, you will inevitably want to recall the variable for use in a command, expression, or other application.

### How to Update and Delete Variables on the TI-Nspire

You can update variables on the TI-Nspire and delete them from within the Calculator application. Say you just stored a variable with a certain value (or function, matrix, or list). If you store the variable

### Define Functions and Graph Them in TI-Nspire Graphs Application

The Calculator application and the Graphs application are a perfect fit. You can define functions in the TI-Nspire Calculator application and graph them in the Graphs application.

### Graph a Step Function in TI-Nspire Graphs Application

Many functions can be graphed by accessing commands commonly used in the TI-Nspire Calculator application. The greatest integer function, y = int(x), is one such graph, which you create by following these

### Store Lists from the Calculator Application to L&S

The TI-Nspire Calculator application contains a variety of commands that are useful in generating lists of data that can be stored in the Lists & Spreadsheet application. One such example is the Sequence

### Perform Statistical Analyses on Data

Data contained within the TI-Nspire Lists & Spreadsheet application can be analyzed from within the Calculator application. For example, you might be interested in viewing the one-variable statistical

### Perform Regressions from within TI-Nspire Calculator Application

You can perform a regression on data contained in the TI-Nspire Lists & Spreadsheet application from within the Calculator application. In the first screen, a Lists & Spreadsheet page is used to put five

### How to Group and Ungroup TI-Nspire Applications

If you decide you don’t want two TI-Nspire applications on the same page, you can use the Ungroup command to separate a split page into two separate pages. The Group and Ungroup commands can be accessed

### Cut, Copy, and Paste in TI-Nspire My Documents View

A number of options are available on the TI-Nspire to quickly edit or manipulate existing documents. Cut, Copy, and Paste can be used in each of the three document views.

### Cut, Copy, and Paste in TI-Nspire Page Sorter View

From within Page Sorter view on the TI-Nspire, you can use Cut, Copy, and Paste to perform a variety of edits. Page Sorter view is accessed by pressing

### Cut, Copy, and Paste within TI-Nspire Full Page View

Cut, Copy, and Paste work the same way from within Full Page view on the TI-Nspire as they do within other views. To cut or copy text, a mathematical expression, and so on, hold down the Shift key and

### How to Send and Receive TI-Nspire Files or Folders

Your TI-Nspire Handheld comes with two USB cables. One cable has a standard USB connector on one end and a small Mini-A USB connector on the other end. This cable is used to communicate between the TI-Nspire

### Send Your TI-Nspire Operating System to Another Handheld

It’s always a good idea to periodically check whether you have the latest operating system (OS). If you do, you can take advantage of any new features that TI has come up with for your TI-Nspire handheld

### Evaluate Expressions in TI-Nspire Using Primary and Secondary Keys

With the TI-Nspire, you can evaluate mathematical expressions directly from the primary keys (as defined by the functions or characters located directly on the keys themselves) and the

### Very Small and Very Large Results on the TI-Nspire

If you’re familiar with the TI-84 graphing calculator, very large and very small results are often automatically put into scientific notation; that’s not necessarily true, however, when using TI-Nspire

### How to Access Previously Used Commands on the TI-Nspire

TI-Nspire offers a convenient way to copy and paste an expression in order to perform similar calculations. Consider that you want to use the quadratic formula to solve the equation

### How to Use the Last Answer on the TI-Nspire

Each time you perform a calculation, the result is stored to TI-Nspire’s local memory as the Ans variable. As a result, you can quickly access this stored variable and use it in subsequent calculations

### Find Symbolic Representations of Numerical Calculations with CAS

TI-Nspire CAS returns results in symbolic form. That is, results are given as exact values — the way you typically see them in textbooks or other printed materials. Check out the first screen where some

### Solve Command from TI-Nspire CAS Algebra Submenu

The TI-Nspire CAS capabilities found in the Algebra submenu are nothing short of amazing. The Solve command returns the solution(s) to an equation or inequality. Choose

### Factor Command from the TI-Nspire CAS Algebra Submenu

The Factor command from the TI-Nspire CAS Algebra submenu factors numerical and algebraic expressions. Choose [MENU]→Algebra→Factor to open the Factor

### TI-Nspire CAS Algebra Submenu Commands

The Solve, Factor, and Expand commands form the cornerstone of the Algebra submenu. However, several other items contained on the Algebra submenu are worth mentioning.

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