Instructions
Table Of Contents
- Getting Started with TI-Nspire™ CX II Handhelds
- About Math Modes
- TI-Nspire™ CX II Handheld Keys
- Preparing the TI-Nspire™ CX II Handheld for Use
- Turning On the TI-Nspire™ CX II Handheld for the First Time
- Adjusting the Brightness of the Backlighting
- Using the TI-Nspire™ Touchpad
- Understanding the Scratchpad
- Using the Home Screen
- The TI-Nspire™ CX II Handheld Screen
- Using Hints
- Using Keyboard Shortcuts
- Using the Scratchpad
- Working with Documents on TI-Nspire™ CX II Handhelds
- Opening a Document
- Creating a New Document
- Saving Documents
- Working with Applications
- Using the Application Menu
- Context Menus
- Working with Problems and Pages
- Adding a Problem to a Document
- Viewing and Reordering Pages in a Document
- Copying, Pasting, and Deleting Problems
- Renaming a Problem
- Adding a Page to a Problem
- Moving Through Pages in a Document
- Managing Documents
- Closing a Document
- Understanding the TI-Nspire™ Tools
- Working with Images
- Working in a TI-Nspire™ CX Premium Teacher Software Classroom
- Configuring Handhelds
- Checking Battery Status
- Recharging the Handheld
- Changing Handheld Settings
- Changing a Preferred Language
- Customizing the Handheld Setup
- Customizing Document Settings
- Customizing Graphs & Geometry Settings
- Viewing Handheld Status
- Replacing TI-Nspire™ Rechargeable Batteries
- Precautions for Rechargeable Batteries
- Connecting Handhelds and Transferring Files
- File Management
- Updating the Handheld Operating System
- General Information
Using the Scratchpad
The Scratchpad is a feature of the TI-Nspire™ CX handheld that lets you quickly:
• Evaluate math expressions.
• Graph functions.
Opening and Closing the Scratchpad
▶ From the Home screen, press » to open the Scratchpad.
The first time you open the Scratchpad, a blank page opens with the Calculator
active.
▶ Press » to alternate between the Calculate and Graph pages.
▶ Press b to see the ScratchpadCalculate or ScratchpadGraph menu. These
menus are subsets of the TI-Nspire™ menus for the Calculator and Graphs
applications. For complete listings of those menus, see the documentation for
those applications.
▶ Press d to close the Scratchpad.
Calculating with Scratchpad
From the ScratchpadCalculate page, enter a math expression on the entry line, and
then press · to evaluate the expression. Expressions are displayed in standard
mathematical notation as you enter them.
Each evaluated expression and result becomes part of the Scratchpad history, displayed
above the entry line.
Entering Simple Math Expressions
Note: To enter a negative number, press v and then type the number.
Suppose you want to evaluate
1. Select the entry line in the work area.
2. Type 2 l 8 to begin the expression.
3. Press ¢ to return the cursor to the baseline, and then complete the expression by
typing:
r 43 p 12
Using the Scratchpad 15