Texas Instruments TI-84 Plus CE User manual

Getting Started with the
TI-84 Plus CE
Graphing Calculator
This guidebook applies to software version 5.3. To obtain the latest version of the
documentation, go to education.ti.com/go/download.

Important Information
Except as otherwise expressly stated in the Licence that accompanies a program, Texas
Instruments makes no warranty, either express or implied, including but not limited to
any implied warranties of merchantability and fitness for a particular purpose,
regarding any programs or book materials and makes such materials available solely
on an "as-is" basis. In no event shall Texas Instruments be liable to anyone for special,
collateral, incidental or consequential damages in connection with or arising out of the
purchase or use of these materials, and the sole and exclusive liability of Texas
Instruments, regardless of the form of action, shall not exceed the amount set forth in
the licence for the program. Moreover, Texas Instruments shall not be liable for any
claim of any kind whatsoever against the use of these materials by any other party.
EasyData is a trademark of Vernier Software and Technology.
© 2017 Texas Instruments Incorporated
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Contents
Important Information ii
Using Your TI-84 Plus CE Graphing Calculator 1
Key Features 1
Using the Keyboard 2
Turning the TI-84 Plus CE On and Off 2
Using the TI-84 Plus CE Keyboard 3
Setting the Display Brightness 6
Using the Home Screen 7
Working with Menus 14
Setting Up the Calculator Modes 20
Setting Modes 20
Changing Mode Settings 20
MATHPRINT™ CLASSIC 21
NORMAL SCI ENG 22
FLOAT 0 1 2 3 4 5 6 7 8 9 22
RADIAN DEGREE 23
FUNCTION PARAMETRIC POLAR SEQ 23
THICK DOT-THICK THIN DOT-THIN 23
SEQUENTIAL SIMUL 24
REAL a+bi re^(theta i) 24
FULL HORIZONTAL GRAPH-TABLE 24
FRACTION TYPE: n/d Un/d 25
ANSWERS: AUTO DEC 25
STAT DIAGNOSTICS: OFF ON 25
STAT WIZARDS: ON OFF 26
SET CLOCK 26
LANGUAGE 26
Evaluating Expressions 28
Order of Operations 28
Entering Expressions and Instructions 30
Working with Graphs 34
Using Colour on the TI-84 Plus CE 34
Using QuickPlot and Fit Equation 35
Working With Images 36
Using Piecewise Function Graphing 36
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Working with Tables 39
Working with Matrices 40
Using the Matrix Editor 40
Performing a Calculation with a Matrix 40
Working with Probability and Statistics 42
Working with Probability 42
Working with Statistics 43
Working with Variables 47
Using Variable Names 47
Storing Variable Values 49
Recalling Variable Values 50
Solving Equations 51
Numeric Solver 51
Managing Calculator Files 53
Transferring the OS from calculator to calculator 53
Compatibility with Graphing Calculators 53
Using Press-to-Test 55
Setting Up Test Mode 55
Bringing a Calculator Out of Test Mode 57
Using Applications (Apps) 58
Cabri™ Jr. App 58
CellSheet™ App 58
Conic Graphing App 58
Inequality Graphing App 59
Periodic Table App 59
Polynomial Root Finder and Simultaneous Equation Editor App 59
Probability Simulation App 59
Science Tools App 60
SmartPad™ CE App 60
TI-Innovator™ Hub App 61
Transformation Graphing App 61
Vernier EasyData™ App 61
Using Accessories 62
Using TI Desktop Software 62

Using the TI Charging Station CE 62
Using, Replacing, and Charging Batteries 64
Diagnosing and Correcting Error Conditions 68
Diagnosing an Error 68
Correcting an Error 68
General Information 69
Texas Instruments Support and Service 69
Service and Warranty Information 69
Precautions for Rechargeable Batteries 69
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Using Your TI-84 Plus CE Graphing Calculator
The TI-84 Plus CE graphing calculator comes with a USB cable, plenty of storage and
operating memory. It also comes pre-loaded with software applications (Apps) to help
you perform pre-algebra, algebra, calculus, biology, chemistry, and physics
calculations.
Key Features
•High resolution, full-colour backlit display
- Distinguish between multiple graphs and plots with colour-coded equations,
plots and objects
- Make graphs easier to read by adding grid lines
•TI Rechargeable Battery
- Recharges using a USB cable, wall charger or TI Charging Station CE
•Familiar TI-84 Plus functionality
- Similar menu structure and navigation as the TI-84 Plus family with enhanced
features
- Built-in MathPrint™ functionality to input and view maths symbols, formulas
and stacked fractions
•Import and use images
- Use TI Connect™ CE Software to send images (.gif, .jpg, .png, .tif, .bmp) from a
computer to a calculator
- Graph on top of images to connect concepts to the real world
The applications extend the functionality of your calculator, allowing you to perform
specific maths and science functions and to deepen your understanding of concepts.
Pre-loaded applications include:
• Cabri™ Jr • Probability Simulations
• CellSheet™ • Science Tools
• Conic Graphing • TI-Innovator™ Hub
• Inequality Graphing • Transformation Graphing
• Periodic Table • Vernier EasyData®
• Polynomial Root Finder and
Simultaneous Equation Solver
Use this guide to learn more about these features and other essential tools of your
TI-84 Plus CE graphing calculator.
Using Your TI-84 Plus CE Graphing Calculator 1

2 Using the Keyboard
Using the Keyboard
This section covers basic graphing calculator settings and explains how to navigate the
home screen and menus.
Turning the TI-84 Plus CE On and Off
This section covers basic on and off features for your graphing calculator.
Turning the Graphing Calculator On
Press É.
An information screen displays:
• Press Àto continue to the home screen but not see this information screen the
next time you press É.
-or-
• Press Áto continue to the home screen.
Note: Any entry from this information screen will take you to the home screen (a
blank screen).
The information screen shows the following for information purposes only. You must
go to the home screen before you can complete the following.
• Press ƒ ^ -ato locate shortcut menus.
• Press Ãon most menu items for Catalog Help.
Note: This message also displays when you reset RAM.
You may see a context-sensitive shortcut menu located at ƒ b for interactive
features or actions such as interactive drawing features from the graph screen or
TI-Basic program editing.

Turning the Graphing Calculator Off
Press y M.
• The Constant Memory™ function retains settings and memory, and clears any error
condition.
• If you turn off the TI-84 Plus CE and connect it to another graphing calculator or
personal computer, any communication will “wake" it up.
Automatic Power Down™ (APD™)
• To prolong battery-life, APD™ automatically turns the TI-84 Plus CE off after about
three to four minutes of inactivity.
• If APD™ turns the graphing calculator off, it will return as you left it, including the
display, cursor, and any error.
Using the TI-84 Plus CE Keyboard
This section describes the functions of specific keys on the graphing calculator
keyboard.
TI-84 Plus CE Keyboard
Graph/Plot Setup Keys allow access to
interactive graphing features. When some
graph screen features are active, you may
see a shortcut menu in the ƒ b
location for feature options.
Editing Keys allow you to edit expressions
and values.
Math and Statistics Keys display menus
that access math, statistics, and other
basic functions.
Scientific Keys allow access to the capabilities of a standard scientific
calculator—including trigonometric functions.
Number Keys allow you to enter numbers.
Common Math Functions allow you to divide, multiply, subtract, and add.
Using the Keyboard 3

4 Using the Keyboard
Function Keys
yAccess the second function
printed to the left above
each key.
ƒAccess the third function
printed to the right above
each key.
ƒ
^-a
Access shortcut menus for
fraction templates, n/d,
quick matrix entry, select
MATH menus and VARS
menu functions.
ƒ b Context-sensitive shortcut
menu for interactive
features or actions such as
interactive drawing features
from the graph screen or TI-
Basic program editing.

Using the Function Keys
Primary
Function
The function appears on the key. Ex: to display the MATH menu, press
».
Secondary
Function
The function appears above the key in the same color as the ykey.
When you press the ykey, the key name printed above the other key
becomes active for the next keystroke.
Ex: to display the TEST menu, press yand then :.
The flashing cursor becomes Þwhen you press y.Þmay also appear
in the status bar.
Tertiary
(Alpha
Key)
Function
The function appears above the key in the same color as the ƒkey.
The third function allows you to enter alphabetic characters and special
symbols, and to access SOLVE and shortcut menus.
Ex: to display the letter A, press ƒand then [A].
• To enter several alphabetic characters in a row, press y 7. This
locks the alpha key in the ON position so that you avoid having to
repeatedly press ƒ. Press ƒagain to unlock.
• The flashing cursor becomes Øwhen you press ƒ.Ømay also
appear in the status bar.
Using the Keyboard 5