Texas Instruments TI-84 Plus C User Manual

Getting Started with the
TI-84 Plus C Silver Edition
Graphing Calculator
This guidebook applies to software version 4.0. To obtain the latest
version of the documentation, go to education.ti.com/go/download.

Texas Instruments TI-84 Plus C Specifications

General

Display Type	Color LCD
Screen Resolution	320 x 240 pixels
Color Depth	16-bit
Connectivity	USB
Programming Language	TI-BASIC, Z80 Assembly
Battery Type	Rechargeable
Weight	7.4 ounces
Dimensions	7.5 x 3.5 x 0.8 inches

Summary

Getting Started with the TI-84 Plus C Silver Edition

Documentation Conventions

Explains guide conventions and full guidebook availability.

Using the TI-84 Plus C in the Classroom

Highlights differences from TI-84 Plus and classroom features.

Using Color on the TI-84 Plus C

Describes color options and high-resolution display features.

Using Color on the Graph Screen

TI-84 Plus C Keyboard

Keyboard Zones

Divides keyboard into graphing, editing, advanced, and scientific zones.

Using the Color-Coded Keyboard

Using the 2nd and ALPHA Keys

Turning On and Turning Off the TI-84 Plus C

Turning On the Graphing Calculator

Details powering on and initial information screens.

Setting the Display Brightness

Turning Off the Graphing Calculator

Explains manual power off and memory retention.

Adjusting the Display Brightness

Step-by-step guide to change screen brightness.

The Home Screen

Enter a calculation

Provides steps to enter a simple calculation on the home screen.

Displaying Entries and Answers

Scrolling Through Previous Entries on the Home Screen

Status Bar

Using Shortcut Menus

Display Cursors

Setting Modes

Checking Mode Settings

How to access and view current calculator mode settings.

Changing Mode Settings

NORMAL, SCI, ENG

FLOAT, 0 1 2 3 4 5 6 7 8 9

RADIAN, DEGREE

FUNCTION, PARAMETRIC, POLAR, SEQ

REAL, a+bi, re^(0i)

FULL, HORIZONTAL, GRAPH-TABLE

FRACTION TYPE: n/d, Un/d

ANSWERS: AUTO, DEC, FRAC-APPROX

SET CLOCK

Using the Clock

Details how to set and use the calculator's clock feature.

Changing the Clock Settings

Equation Operating System (EOS™)

Order of Evaluation

Details priority levels for functions in mathematical expressions.

Implied Multiplication

Parentheses

Entering Expressions and Instructions

Entering an Expression

Steps to input expressions into the calculator for evaluation.

Entering a Number in Scientific Notation

Functions

Instructions

TI-84 Plus C Edit Keys

Pictures and Backgrounds

Using Variable Names

Variables and Defined Items

Lists variable types and their assigned names.

Storing Variable Values

Displaying a Variable Value

How to recall and display stored variable values.

Archiving Variables (Archive, Unarchive)

Recalling Variable Values

Using Recall (RCL)

Step-by-step guide to using RCL to retrieve variable data.

QuickPlot and Fit Equation

ENTRY (Last Entry) Storage Area

Using ENTRY (Last Entry)

How to access and reuse the last entered expression.

Using Ans in an Expression

How to use Ans variable for the last calculated result.

Continuing an Expression

Storing Answers

Menus

Using Menus

Details on menu navigation, item identification, and indicators.

Moving from One Menu to Another

Scrolling a Menu

Selecting an Item from a Menu

VARS Menus

VARS Menu

How to display the VARS menu and its secondary menus.

Selecting a Variable from the VARS Menu or VARS Y-VARS Menu

Grouping files

To group files:

Step-by-step instructions for creating file groups.

Special Features of the TI-84 Plus C

To ungroup files:

Step-by-step instructions for ungrouping files.

Applications

Information on preloaded and installable applications.

Other TI-84 Plus C Features

Archiving

Explains user data archive for safe variable storage.

Graphing

Describes graphing capabilities including color annotation.

Sequences

Tables

Matrices

Lists

Statistics

Inferential Statistics

CATALOG

Communication Link

Removing a Faceplate

Installing New Faceplates

Battery Information

The TI Rechargeable Battery

Information on battery type and initial charge requirements.

Recharging the TI Rechargeable Battery

Replacing TI Rechargeable Batteries

Replacing the Battery

Detailed instructions for replacing the battery.

Disposing of Used Batteries Safely and Properly

TI-84 Plus C Charging Station

Preparing Charging Stations for Use

Instructions for setting up the charging station.

Inserting Graphing Calculators into the Charging Station

Charging Batteries

Determining Battery Status

Troubleshooting

If the recharge fails:

Steps to take if the calculator is not recharging.

Transferring the OS from calculator to calculator

Error Conditions

Diagnosing an Error

How to understand error messages and their descriptions.

Correcting an Error

Linking Compatibility

Texas Instruments Support and Service

For U.S. and Canada:

Contact information for support in the U.S. and Canada.

For General Information

General contact details like website and knowledge base.

For Technical Support

Specific contacts for product hardware service.

For All Other Countries:

General information for international users.

Service and Warranty Information

Where to find warranty and service details.