Texas Instruments TI-Nspire CX II-T CAS User Manual

18 Using the Scratchpad
Inserting Expressions Using a Wizard
You can use a wizard to simplify entering some expressions. The wizard contains
labelled boxes to help you enter the arguments in the expression.
For example, suppose you want to fit a y=mx+b linear regression model to the
following two lists:
{1,2,3,4,5}
{5,8,11,14,17}
1. Press k 1 to open the Catalogue and show the alphabetic list of functions.
2. Click inside the list, and then press L to jump to the entries that begin with “L”.
3. Press ¤ as necessary to highlight LinRegMx.
4. If the Wizards On option is not checked, press e e to highlight Wizards On.
5. Press · to change the setting.
6. Press e e to highlight LinRegMx again.
LinRegMx function in a non-CAS or Exact
Arithmetic handheld
LinRegMx function in a CAS handheld

Texas Instruments TI-Nspire CX II-T CAS Specifications

General

Model	TI-Nspire CX II-T CAS
Category	Graphing Calculator
Operating System	TI-Nspire OS
CAS	Yes
Programming	TI-Basic, Lua
Exam Mode	Yes
Display	320 x 240 pixels
Memory	100 MB
Battery	Rechargeable battery
Connectivity	USB

Summary

Getting Started with TI-Nspire CX II Handhelds

About Maths Modes

Explains calculation modes (Numeric, Exact Arithmetic, CAS) and their capabilities.

Using the Scratchpad

Opening and Closing the Scratchpad

Instructions on how to access and exit the Scratchpad application.

Calculating with Scratchpad

Details how to enter and evaluate mathematical expressions.

Working with Documents on TI-Nspire CX II Handhelds

Opening a Document

Steps to open existing TI-Nspire documents.

Creating a New Document

How to start a new TI-Nspire document.

Saving Documents

Procedures for saving documents to various locations.

Managing Documents

Configuring Handhelds

Recharging the Handheld

Instructions for charging the handheld's battery.

Changing Handheld Settings

Replacing TI-Nspire Rechargeable Batteries

Step-by-step guide for battery replacement.

Connecting Handhelds and Transferring Files

Connecting Handhelds

Transferring Files between Handhelds

Transferring Files between Computers and Handhelds

File Management

Checking Available Storage

Freeing Storage

Resetting the Storage

Procedure to delete all files and folders from the handheld.

Updating the Handheld Operating System

Performing the OS Update

Step-by-step guide to install the latest operating system.