Texas Instruments TI-84 Plus CE Getting Started
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Texas Instruments TI-84 Plus CE Getting Started

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Getting Started with the
TI-84 Plus CE
Graphing Calculator
This guidebook applies to software version 5.0. To obtain the latest version of
the documentation, go to
education.ti.com/go/download
.

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Summary of Contents for Texas Instruments TI-84 Plus CE

  • Page 1 Getting Started with the TI-84 Plus CE Graphing Calculator This guidebook applies to software version 5.0. To obtain the latest version of the documentation, go to education.ti.com/go/download...

  • Page 2: Important Information

    Instruments, regardless of the form of action, shall not exceed the amount set forth in the license 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.

  • Page 3: Table Of Contents

    Contents Important Information Using Your TI-84 Plus CE Graphing Calculator Key Features Keyboard Basics Turning the TI-84 Plus CE On and Off Using the TI-84 Plus CE Keyboard Setting the Display Brightness Using the Home Screen Working with Menus Setting Up the Calculator Modes...
  • Page 4 Changing and Charging the Battery Replacing TI Rechargeable Batteries Using Press-to-Test Setting Up Test Mode Bringing a Calculator Out of Test Mode Error Conditions Diagnosing an Error General Information Texas Instruments Support and Service Service and Warranty Information Korean Class A warning statement Index...

  • Page 5: Using Your Ti-84 Plus Ce Graphing Calculator

    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, calculus, biology, chemistry, and physics calculations.

  • Page 6: Keyboard Basics

    Keyboard Basics Turning the TI-84 Plus CE On and Off Turning the Graphing Calculator On Press É. An information screen displays: Press À to continue to the home screen but not see this information screen • the next time you press É.

  • Page 7: Using The Ti-84 Plus Ce Keyboard

    Turning the Graphing Calculator Off Press y M. • The Constant Memory™ function retains settings and memory, and clears any error condition. Press } (if the home screen is blank), to scroll through the calculator • history. • If you turn off the TI-84 Plus CE and connect it to another graphing calculator or personal computer, any communication will “wake"...
  • Page 8 Function Keys Access the second function printed to the left above each key. ƒ Access 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.
  • Page 9 Using the Function Keys Primary • The function appears on the key. Function to display the MATH menu, press ». Secondary • The function appears above the key in the same color as Function the y key. When you press the y key, the key name printed •...

  • Page 10: Setting The Display Brightness

    Setting the Display Brightness Adjusting the Display Brightness You can adjust the display brightness to suit your viewing angle and lighting conditions. To adjust the brightness, follow these steps. ▶ Press y † to darken the screen one level at a time. ▶...

  • Page 11: Using The Home Screen

    Using the Home Screen Expressions Answers Use the home screen to enter instructions and evaluate expressions. Answers appear on the same screen. Most calculations are stored in home screen history. Press } and † to scroll through the entry history and paste the entries or answers to the current entry line.
  • Page 12 Displaying Entries and Answers Mode settings control how the TI-84 Plus CE interprets expressions and displays answers. Press z to switch between classic entries and MathPrint™ mode. This guide focuses on MathPrint™ Mode, but may reference some classic entries. MathPrint™ Mode • If an expression exceeds one line, it may scroll off the screen (on the home screen or the Y=screen).
  • Page 13 Scrolling Through the Home Screen History If all lines of the display are full, text scrolls off the top of the display. You can scroll up through previous entries and answers on the home screen, even if you have cleared the screen. When you find an entry or answer that you want to use, you can select it and paste it (press Í) on the current entry line.
  • Page 14 The status bar may also show a busy indicator if the calculator is performing an operation, Ø to indicate the calculator is in alpha status, and Þ to indicate the secondary function is active. Selected mode settings are displayed on the top line of the status bar when the cursor is in the active entry area.
  • Page 15 Using Shortcut Menus ƒ ^ Opens FRAC menu. ƒ _ Opens FUNC menu. ƒ ` Opens MTRX menu. ƒ a Opens YVAR menu. ƒ b Opens special menus. Shortcut menus allow quick access to the following: Templates to enter fractions, and to toggle between whole and mixed fractions, and fractions and decimals.
  • Page 16 You can select all shortcut menu items except matrix templates using standard menus. For example, you can choose the summation template from several places: FUNC shortcut menu ƒ _ y catalog The shortcut menus are available to use where input is allowed. If the calculator is in Classic mode, or if a screen is displayed that does not support MathPrint™...
  • Page 17 Display Cursors The cursor may change to indicate what will happen when you press the next key or when you select the next menu item to be pasted as a character. : The second cursor Þ and alpha cursor Ø may appear on the status bar, Note depending on the context.

  • Page 18: Working With Menus

    Working with Menus You can access TI-84 Plus CE commands using menus. Displaying a Menu • When you press a key to display a menu, that menu temporarily replaces the screen where you are working. press » to display the MATH menu. •...
  • Page 19 Selecting an Item from a Menu You can select an item from a menu in three ways. ▶ Press the number or letter of the item you want to select. The cursor can be anywhere on the menu, and the item you select does not need to be displayed on the screen.

  • Page 20: Using Menus

    Notes: • After you select an item from a menu, the TI-84 Plus CE typically displays the previous screen. If you do not see PASTE on the Catalog Help screen, press y5 until • you return to the home screen, then repeat your actions. If this happens, it may mean the screens were layered and the previous screen did not have an active cursor on an input line to accept the pasting of the function or command.

  • Page 21: Math Menus

    MATH Menus The following are the MATH shortcut menus. Scroll down when you see the ($) to see the whole menu. Keyboard Basics...

  • Page 22: Setting Up The Calculator Modes

    Setting Up the Calculator Modes Setting Modes To set calculator modes, press z. The following menu appears on your screen: When you press z, the cursor is on Note: by default. Press } to switch NORMAL between MathPrint™ and Classic modes. Mode settings control how the calculator displays and interprets: •...
  • Page 23 MATHPRINT™ CLASSIC mode displays most inputs and outputs the way they are shown MATHPRINT™ ∫ x dx in textbooks, such as mode displays expressions and answers as if written on one line, CLASSIC such as 1/2 + 3/4. (Fraction bars appear as thick lines. A division operation will appear as a thin slash mark.) Note •...
  • Page 24 the power of 10. The calculator notation, â, designates the "x10" part of the number without using extra parentheses. The calculator then follows the order of operations as expected when using SCI or ENG notation. This notation, â, is not typically accepted on homework and exams, and written results should use the standard notation, for example, the 1.234567 x 10 •...
  • Page 25 Y= line styles to a thick line connecting each THICK point calculated for the selected functions. : The THICK plotting mode on the TI-84 Plus CE is equivalent to the Note plotting mode on the TI-84 Plus family of graphing calculators.
  • Page 26 Two complex modes display complex results. • (rectangular complex mode) displays complex numbers in the form . The TI-84 Plus CE supports the n/d fraction template. • ) (polar complex mode) displays complex numbers in the form re^(q...
  • Page 27 FULL     HORIZONTAL     GRAPH-TABLE screen mode uses the entire screen to display a graph or edit screen. FULL Each split-screen mode displays two screens simultaneously. • mode displays the current graph on the top half of the HORIZONTAL screen; it displays the home screen or an editor on the bottom half. •...
  • Page 28 : The ANSWERS mode setting also affects how values in sequences, lists, Note and tables are displayed. You can also convert values from decimal to fraction or fraction to decimal using } FRAC , } DEC , and } F | } D located in the FRAC shortcut menu or the MATH submenu.
  • Page 29 Displaying the Clock Settings 1. Press z. 2. Press } } to move the cursor to SET CLOCK 3. Press Í to change clock settings. Note: You may have to reset the clock if your battery power runs out. See education.ti.com for future updates on the battery and battery preservation features. Turning the Clock On and Off Press y N.
  • Page 30 After you select your desired language, a new item ( CHARACTER ) is added to the TI-84 Plus CE CATALOG. This item accesses special characters and accent marks used in the language that you chose for localization. You can use these special characters and accent marks for display messages and text strings that you want to store to a variable.
  • Page 31 accent mark to select it. The ALPHA uppercase mode is automatically turned on. To change to lowercase, press ƒ. Press the key associated with the alpha character that you want to accent, for example, [A] (above »). The accented character is displayed in the edit line.

  • Page 32: Evaluating Expressions

    For example: pR is an expression. Order of Operations The TI-84 Plus CE uses an order of operations system called Equation Operating System (EOS™), which • defines the order in which functions in expressions are entered and...
  • Page 33 , while some graphing calculators may evaluate 1 à 2X as 1 à (2 X). Parentheses The TI-84 Plus CE completes all calculations inside a pair of parentheses first. For example, in the expression 4(1+2) , EOS™ first evaluates the portion inside the parentheses, 1+2, and then multiplies the answer, 3, by 4.

  • Page 34: Entering Expressions And Instructions

    Example: M X 2 , evaluates to a negative number (or 0). Use parentheses to square a negative number. Use the j key for subtraction and the k key for negation. If you press j Note: to enter a negative number, as in 9 ¯ ¹ 7 , or if you press k to indicate subtraction, as in 9 k 7 , an error occurs.
  • Page 35 To enter a matrix name: Press y ¾. The Matrix Names menu appears. Press the number on the keypad that corresponds with the desired Matrix Name. Ex: Press 1 for [A] as shown. : In MathPrint™ mode, press ~ to get out of the MathPrint™ template and Note continue entering the expression.
  • Page 36 Entering a Number in Scientific Notation Enter the part of the number that precedes the exponent. This value can be an expression. Press y D. â is pasted to the cursor location. Enter the exponent, which can be one or two digits. Notes If the exponent is negative, press k, and then enter the exponent.
  • Page 37 Interrupting a Calculation To interrupt a calculation or graph in progress, which is indicated by the busy indicator in the status bar, press É. When you interrupt a calculation, a menu is displayed. • To return to the home screen, select 1:Quit . •...
  • Page 38 ƒ. If you are prompted to enter a name such as for a group or a program, alpha-lock is set automatically. : The TI-84 Plus CE does not automatically set Note alpha-lock for entries that require list names.

  • Page 39: Working With Graphs

    Working with Graphs Using Color on the TI-84 Plus CE The TI-84 Plus CE graphing calculator has many color options and a high resolution display that allows more information to be shown on the screen. The TI-84 Plus CE uses color in the following ways: •...
  • Page 40 : Your pre-loaded Image Var may be different than the one Note displayed. : To create Background Image Vars, use the free TI Connect™ CE Note software to convert and send images to your TI-84 Plus CE graphing calculator. 36 Working with Graphs...

  • Page 41: Using Quickplot And Fit Equation

    Press r to see the graph and trace points. : You can manipulate the Note graph to “fit” an object in the Background Image Var. You can also use QuickPlot and Fit Equation to fit an equation to a shape. (See QuickPlot .) Using QuickPlot and Fit Equation QuickPlot and Fit Equation allows you to drop points on a graph screen and model a curve to those points using regression functions.

  • Page 42: Using Pictures And Backgrounds

    An Image Var is used as a Background Image in the graph area. Several images are pre-loaded on the TI-84 Plus CE. You can also convert images to TI-84 Plus CE Image Vars in the TI Connect™ CE software and load them to the calculator. You cannot create images on the calculator.

  • Page 43: Working With Matrices

    Working with Matrices You can enter matrices using the matrix editor on your graphing calculator. For example, you can perform the following operations on matrices: • Addition • Inverses • Division • Multiplication • Elementary Row Operations • Subtraction To use the matrix editor: Press y ¾.
  • Page 44 Example: To find the determinant of [C] as entered above: ▶ Use the ¾ MATH menu to paste the 1: det( command -and- ¾ NAMES 3: [C] as matrix variables to the Home Screen. Remember that you cannot type in a matrix name from the calculator Note: keypad.

  • Page 45: Working With Probability And Statistics

    Working with Probability and Statistics Working with Probability You can find probability commands in the » PROB submenu. Probability commands deal with random numbers, which are generated by algorithms on the calculator. Many probability commands have “wizards” to help you enter the syntax. Example: To generate a set of five random integers between 10 and 25 (inclusive): Press », then press ~ until you highlight PROB .

  • Page 46: Working With Statistics

    Notes: • With each rand execution, the TI-84 Plus CE generates the same random- number sequence for a given seed value. The TI-84 Plus CE factory-set seed value for rand is 0. To generate a different random-number sequence, store any nonzero seed value to rand. To restore the factory-set seed value, store 0 to rand, or reset the defaults by going to y L 7:Reset...
  • Page 47 Inferential Statistics You can perform 16 hypothesis tests and confidence intervals and 15 distribution functions. You can display hypothesis test results graphically or numerically. To enter lists of data: Press …. Select 1: Edit in the EDIT submenu, then Í. Enter your data into list columns.
  • Page 48 Press | to highlight On . Press q to automatically set up a graphing window for your data. Press 9: ZoomStat to see the graph. Press r and arrow keys to trace on the plot. Note: You can plot your statistics data in these ways: •...
  • Page 49 To find the two variable statistics for L1 and L2: Press …. Press ~ to highlight CALC . Press † until you highlight 2:2-Var Stats , then Í. Press † until you highlight Calculate , then Í. ▶ The screen will display the variable statistics. Most common probability and statistics commands will have a wizard Note: to prompt for syntax (values).

  • Page 50: Working With Variables

    Working with Variables Using Variable Names Variables and Defined Items You can enter and use several types of data, including real and complex numbers, matrices, lists, functions, stat plots, graph databases, graph pictures, and strings. The TI-84 Plus CE uses assigned names for variables and other items saved in memory.
  • Page 51 Variable Type Names Parametric equations and Y1T , ... , X6T and Y6T Polar functions , r2 , r3 , r4 , r5 , r6 Sequence functions , v , w Plot1, Plot2, Plot3 Stat plots Graphical databases , GDB2 , ... , GDB9, GDB0 GDB1 Save current equations from Y= and Window settings to re-use.

  • Page 52: Storing Variable Values

    • From the home screen, a program, or an editor, you can store a value to a matrix element or a list element. • You can use DRAW STO menu items to store and recall Pic Vars. • Although most variables can be archived, system variables including r, T, X, Y, and q cannot be archived.

  • Page 53: Recalling Variable Values

    Archiving Variables (Archive, Unarchive) You can store variables in the TI-84 Plus CE user data archive, a protected area of memory separate from RAM. The user data archive lets you: • Store data, programs, applications or any other variables to a safe location where they cannot be edited or deleted inadvertently.
  • Page 54 Press ƒ a to display the YVAR shortcut menu, then select the • name of the function. The variable name you selected is displayed on the bottom line and the cursor disappears. Press Í. The variable contents are inserted where the cursor was located before you began these steps.

  • Page 55: Managing Calculator Files

    Sending calculator: y 8 } } Í Compatibility with Graphing Calculators : Not all TI-84 Plus CE graphing calculator files are compatible with other Note TI-84 Plus Family graphing calculator files because of the high resolution of the color screen. In general, numeric files (not limited to lists, variables, matrices, and functions) are shared between these graphing calculators but Apps are not shared between these graphing calculators even if they have the same title.
  • Page 56 TI-84 Plus Link from Link from File Type TI-84 Plus CE computer TI-84 to TI-84 computer to TI-84 file type Plus CE file type Operating System Apps AppVar Programs - 1, 2 TI Basic Assembly Programs Pictures Background Images Group Files...
  • Page 57 setup an App as expected. Some Programs will need to be modified due to the difference in screen resolution and new commands. Programs created using commands available only in the latest OS version will not transfer to graphing calculators with an earlier OS version. You may receive a version error if you used DOT-THIN line style.

  • Page 58: Using Applications (Apps)

    Using Applications (Apps) Press Œ to see the complete list of applications. • Cabri™ Jr. App • Polynomial Root Finder and Simultaneous Equation Solver • CellSheet™ App • Probability Simulation App • Conic Graphing • Science Tools • Inequality Graphing •...

  • Page 59: Using Accessories

    Using Accessories Using TI-SmartView™ CE The TI-SmartView™ CE software allows you to display a TI graphing calculator for your entire classroom. With TI-SmartView™ CE software, you can: • View the history of your key press entries. • Capture and save screen shots to use in other documents as you investigate a math or science concept.

  • Page 60: Using Ti Connect™ Ce

    Using the TI Charging Station CE The TI Charging Station CE has 10 slots, and each slot can accommodate a TI-84 Plus CE graphing calculator. Place a TI-84 Plus CE graphing calculator in one of these slots to charge the TI Rechargeable Battery.
  • Page 61 • An indentation on each side of the TI Charging Station CE enables you to lift it. Always use two hands to lift and move the charging station. • When the charging station is empty, turn it over and you will notice and indention on the bottom.
  • Page 62 Remove the slide case from the graphing calculator. Align the grooves on the sides of the graphing calculator with the guides in the charging station slots. Ensure the calculator is facing the proper direction. Gently push the graphing calculator into the slot. You will feel a slight resistance;...

  • Page 63: Changing And Charging The Battery

    Changing and Charging the Battery The TI-84 Plus CE graphing calculator comes with a: • TI rechargeable battery • USB computer cable for transferring files and charging the battery Charge the battery for at least four hours to ensure optimum Note: performance. The battery status icon on the upper right of the screen gives information on battery life.
  • Page 64 Deep Sleep Mode To maximize battery life, this graphing calculator is shipped in Deep Sleep mode. To wake the handheld from this mode, press É for at least 4 seconds or apply USB (computer or wall adapter) or TI Charging Station CE power.

  • Page 65: Replacing Ti Rechargeable Batteries

    When the TI Rechargeable Battery is fully charged, the graphing calculator draws power in the following order: From a connected external power source, such as: • A computer connected through a USB computer cable -or- • A TI wall adapter (may be sold separately) From the TI Rechargeable Battery Replacing TI Rechargeable Batteries Take these precautions when replacing rechargeable batteries:...
  • Page 66 Disposing of Used Batteries Safely and Properly Do not mutilate, puncture, or dispose of batteries in fire. The batteries can burst or explode, releasing hazardous chemicals. Discard used batteries according to local regulations. 62 Using Accessories...

  • Page 67: Using Press-To-Test

    Using Press-to-Test Setting Up Test Mode With the graphing calculator turned OFF, press and hold down the ~, |, and É keys, and then release. The RESET OPTIONS screen displays. Notes: • The status bar is blue when in TEST MODE and TEST MODE ENABLED.
  • Page 68 Note: • All variables, excluding AppVars, stored in RAM and in archived memory are deleted. On the exam calculator, press ¼ to verify that programs have been disabled. The following screen displays: On the exam calculator, press » to verify that logBASE and summation Σ( have been disabled.

  • Page 69: Bringing A Calculator Out Of Test Mode

    You can re-enable all disabled calculator files by using one of the following methods: • Link two TI-84 Plus CE graphing calculators using a unit-to-unit USB cable and then transfer a file by using y 8, SEND RECEIVE -or- •...
  • Page 70 Select OK when you see the Reset Verification Screen. The calculator is now "clean." Re-enable files to turn off test mode. Link two TI-84 Plus CE graphing calculators using a unit-to-unit USB cable. Send a file to bring the calculator(s) out of test mode.

  • Page 71: Error Conditions

    Error Conditions The TI-84 Plus CE detects errors while performing these tasks: • Evaluating an expression • Executing an instruction • Plotting a graph • Storing a value Diagnosing an Error When the TI-84 Plus CE detects an error, it returns an error message with a short description.

  • Page 72: General Information

    For Product (Hardware) Service Always contact Customers in the U.S., Canada, Mexico, and U.S. territories: Texas Instruments Customer Support before returning a product for service. For All Other Countries: For general information For more information about TI products and services, contact TI by e-mail or visit the TI Internet address.

  • Page 73: Korean Class A Warning Statement

    Korean Class A warning statement Class A 급기기(업무용방송통신기자재) Notification 이 기기는 업무용(A급) 전자파적합기기로서 판 매자 또는 사용자는 이 점을 주의하시기 바라 며, 가정외의 지역에서 사용하는 것을 목적으로 합니다. General Information 69...

  • Page 74: Index

    Float (floating-decimal mode) color floating-decimal mode (Float) DRAW commands fractions graph format screen spinner Un/d stat plots full-screen mode (Full) Y= editor Full (full-screen mode) color on the TI-84 Plus CE 35, 54 Func (function graphing mode) 70 Index...
  • Page 75 function graphing mode settings modes a+bi (complex rectangular) function, definition of Degree (angle) Eng (notation) Fix (decimal) Float (decimal) graph-table split-screen mode (G-T) Full (screen) graphing-order modes Func (graphing) graphing modes GT (screen) GT (graph-table split-screen mode) Horiz (screen) Normal (notation) Par/Param (graphing) Pol/Polar (graphing) home screen...
  • Page 76 Simul (simultaneous graphing order recalling values mode) types spinner user and system status LED indicator rechargeable batteries status bar Store (!) storing TI-84 Plus CE Charging Stations variable values TI-84 Plus CE Charging Stations storing TI-SmartView™ CE 72 Index...

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