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 5.3. To obtain the latest version of the
documentation, go to education.ti.com/go/download.

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  • Page 1 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.

  • Page 2: Important Information

    "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...

  • Page 3: Table Of Contents

    Contents Important Information Using Your TI-84 Plus CE Graphing Calculator Key Features Using the Keyboard 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...
  • Page 4 Working with Tables Working with Matrices Using the Matrix Editor Performing a Calculation with a Matrix Working with Probability and Statistics Working with Probability Working with Statistics Working with Variables Using Variable Names Storing Variable Values Recalling Variable Values Solving Equations Numeric Solver Managing Calculator Files Transferring the OS from calculator to calculator...
  • Page 5 Using the TI Charging Station CE Using, Replacing, and Charging Batteries Diagnosing and Correcting Error Conditions Diagnosing an Error Correcting an Error General Information Texas Instruments Support and Service Service and Warranty Information Precautions for Rechargeable Batteries...

  • Page 6: 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, algebra, calculus, biology, chemistry, and physics calculations.

  • Page 7: 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.

  • Page 8: Using The Ti-84 Plus Ce Keyboard

    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™) •...
  • Page 9 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 Access shortcut menus for ^ - a fraction templates, n/d, quick matrix entry, select menus and VARS MATH menu functions.
  • Page 10 Using the Function Keys Primary The function appears on the key. Ex: to display the MATH menu, press ». Function The function appears above the key in the same color as the y key. Secondary Function When you press the y key, the key name printed above the other key becomes active for the next keystroke.

  • Page 11: Setting The Display Brightness

    ▶ Press y } to lighten the screen one level at a time. The TI-84 Plus CE retains the brightness setting in memory when it is turned off. Automatic Dimming The TI-84 Plus CE automatically dims the screen brightness after 90 seconds of inactivity.

  • Page 12: Using The Home Screen

    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.
  • Page 13 Classic Entries MathPrint™ sqrt (5) Some input areas in MathPrint™ mode only support classic entries. Ex: y - MathPrint™ (default) Entry Answer (Scrolls) Entry Answer Using the Keyboard...
  • Page 14 Press } or † to move the cursor to the entry or answer you want to copy and then press Í. The TI-84 Plus CE highlights the entry the cursor is on to help you select your desired choice. The entry or answer that you copied is automatically pasted on the current input line at the cursor location.
  • Page 15 Tip: Context help, if available, is displayed on the second line. The battery status icon, busy indicator, alpha indicator and second key indicator are on the right. When you scroll into the home screen history, the context help on the status bar displays HISTORY. In the example below, the cursor is on the GridColour option.
  • Page 16 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 17 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 _ 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 18 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 19: 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 20 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 21 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 y 5 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 22 ‡( Calculates the cube root. Calculates the x root. ‡ 6: fMin( Finds the minimum of a function. 7: fMax( Finds the maximum of a function. 8: nDeriv( Computes the numerical derivative of a function at a point. 9: fnInt Computes the numerical integral of a function over an interval.
  • Page 23 mode. Displays a small u between the whole number and fraction in Classic mode. Use n/d to complete the mixed number. D: n/d Displays the fraction template in MathPrint™ mode. Displays a thick fraction bar between the numerator and the denominator in Classic mode. Also accessible by pressing ƒ...
  • Page 24 1: n/d Displays the fraction template in MathPrint™ mode. Displays a thick fraction bar between the numerator and the denominator in Classic mode. Also accessible by pressing ƒ „. 2: Un/d Displays the mixed number template in MathPrint™ mode. Displays a small u between the whole number and fraction in Classic mode.

  • Page 25: Setting Up The Calculator Modes

    Setting Up the Calculator Modes Mode settings control how the calculator displays and interprets: • Answers • Elements of lists and matrices • Graphs • Language settings • Numbers Setting Modes To set calculator modes, press z. The following menu appears on your screen: When you press z, the cursor is on NORMAL by Note: default.

  • Page 26: Mathprint™ Classic

    Mode Description 0 1 2 3 4 5 6 7 8 9 Number of decimal places in answers FLOAT DEGREE Unit of angle measure RADIAN PARAMETRIC POLAR SEQ Type of graphing FUNCTION DOT-THICK THIN DOT-THIN Resets all Y= line styles THICK SIMUL Whether to plot sequentially or...

  • Page 27: Normal     Sci     Eng

    1.234567 x 10 If you select NORMAL notation, but the answer cannot display in 10 digits (or the absolute value is less than .001), the TI-84 Plus CE expresses the answer in scientific notation.

  • Page 28: Radian     Degree

    • An answer displayed on the home screen • Coordinates on a graph • The Tangent( DRAW instruction equation of the line, x, and dy/dx values • Results of calculated operations • The regression equation stored after the execution of a regression model RADIAN    ...

  • Page 29: Sequential     Simul

    Two complex modes display complex results. • i (rectangular complex mode) displays complex numbers in the form a+b i . The TI-84 Plus CE supports the n/d fraction template. • (q i ) (polar complex mode) displays complex numbers in the form re^(q i ).

  • Page 30: Fraction Type: N/D     Un/D

    • HORIZONTAL mode displays the current graph on the top half of the screen and most other calculator features on the bottom half. • GRAPH-TABLE mode displays the current graph on the left half of the screen and plotted lists on the right half. Horizontal Graph-Table FRACTION TYPE: n/d    ...

  • Page 31: Stat Wizards: On     Off

    STAT WIZARDS: ON     OFF : Selection of menu items in MATH PROB, STAT, CALC, DISTR DISTR, DISTR DRAW and in LIST OPS displays a screen which provides syntax help (wizard) for the entry of seq( required and optional arguments into the command or function. The function or command will paste the entered arguments to the Home Screen history or to most other locations where the cursor is available for input.
  • Page 32 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 33: Evaluating Expressions

    • a combination of these elements. An expression evaluates to a single answer. On the TI-84 Plus CE, you enter an expression in the same order as you would write it on paper. 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...
  • Page 34 EOS™ calculation. Implied Multiplication The TI-84 Plus CE recognises implied multiplication, so you do not need to press ¯ to express multiplication in all cases. For example, the TI-84 Plus CE interprets 2 p, , 5(1+2) and (2 ä 5)7 as implied multiplication.

  • Page 35: Entering Expressions And Instructions

    To calculate the log of 45, you must press « 45 . Do not enter the letters L , O and • . If you enter LOG , the TI-84 Plus CE interprets the entry as implied multiplication of the variables L , O and G .
  • Page 36 In general, the first letter of each instruction name is uppercase. Some instructions take more than one argument, as indicated by an open parenthesis at the end of the name. For example, on the TI-84 Plus CE, Circle( requires three arguments, and has two optional arguments:...
  • Page 37 To return to the home screen, press ‘ or any non-graphing key. • • To restart graphing, press a graphing key or select a graphing instruction. TI-84 Plus CE Edit Keys Keystrokes Result ~ or | • Moves the cursor within an expression; these keys repeat if held down on the keypad.
  • 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 alpha-lock for entries Note: that require list names.

  • Page 39: Working With Graphs

    Using Colour on the TI-84 Plus CE The TI-84 Plus CE graphing calculator has many colour options and a high resolution display that allows more information to be shown on the screen. The TI-84 Plus CE uses colour in the following ways: •...

  • Page 40: Using Quickplot And Fit Equation

    To create Background Image Vars, use the free TI Connect™ CE software to Note: convert and send images to your TI-84 Plus CE graphing calculator. 4. Press r to see the graph and trace points. You can manipulate the graph to “fit” an object in Note: the Background Image Var.

  • Page 41: Working With Images

    Both Image Vars and Pic Vars are stored and run in Flash archive, not in RAM. They are both accessible in the VARS menu. • Image Vars and Pic Vars can only be shared with another TI-84 Plus CE or TI-84 C graphing calculator. •...
  • Page 42 6. Enter functions in the o editor. 7. Press q 6:ZStandard to set the standard window and graph. Conditions Menu The CONDITIONS menu, y : | pastes several characters at once in the condition part of the piecewise template for quicker entry. The piecewise conditions are entered using the relations found in y : Note: (above »).
  • Page 43 Tips • Once a piecewise template is selected with a certain number of pieces, you will not be able to add or delete a piece. You may select a larger number of pieces and enter zeros (False) to have placeholder rows. This is helpful when creating drawings using functions on the graph screen.

  • Page 44: Working With Tables

    Working with Tables When a function is entered in the Y= editor, you can view a table of values by pressing y 0. The table setup, y -, determines how table values are displayed. Check Note: the table setup values if the table results are not in expected format of fraction. Using a mix of decimal and fractions will not retain fractions.

  • Page 45: 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 • Division • Elementary Row Operations • Inverses • Multiplication • Subtraction Using the Matrix Editor 1.
  • Page 46 1: det( command -and- y ¾ NAMES 3: [C] as matrix variables to the Home Screen. Remember that you cannot type in a matrix name from the calculator keypad. Note: Use the y ¾ NAMES menu to paste a matrix name. Working with Matrices...

  • Page 47: Working With Probability And Statistics

    Working with Probability and Statistics This section covers probability and statistics commands. • Probability commands deal with random numbers, which are generated by algorithms on the calculator. • Statistics commands allow you to create lists of data, then plot or analyze that data.

  • Page 48: Working With Statistics

    • 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.
  • Page 49 3. Enter your data into list columns. Note: Once in the list editor, use the arrow keys to enter the data in the lists. L1 – L6 are built-in list names. Custom list names can be created by scrolling to a blank list name and pressing Í.
  • Page 50 You can plot your statistics data in these ways: • Scatter plot • xyLine • Histogram • Regular or Modified box-and-whisker plot • Normal probability plot To find the two variable statistics for L1 and L2: 1. Press …. 2. Press ~ to highlight CALC . 3.
  • Page 51 Note: Most common probability and statistics commands will have a wizard to prompt for syntax (values). The built-in Catalog Help is also available by pressing the à key on most menu items. This opens an editor to help you fill in the syntax (values) needed in a calculation.

  • Page 52: Working With Variables

    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. For lists, you also can create your own five-character names.
  • Page 53 Variable Type Names Graphical databases , GDB2 , ... , GDB9 , GDB0 GDB1 Save current equations from Y= and Window settings to re-use. Background images , Image2 , ... , Image9 , Image0 Image1 Pictures , Pic2 , ... , Pic9 , Pic0 Pic1 Strings , Str2 , ...

  • Page 54: Storing Variable Values

    To display the value of a variable, enter the variable name on a blank line on the home screen, and then press Í. 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: •...

  • Page 55: Recalling Variable Values

    Note: Image Vars are run and stored in archive, but when an Image Vars displays in , the BACKGROUND menu does not display the asterisk VARS 4:Picture & Background Recalling Variable Values To recall and copy variable contents to the current cursor location, follow these steps. To leave Rcl , press ‘.

  • Page 56: Solving Equations

    Solving Equations Press » } to access C:Numeric Solver..Numeric Solver 1. Enter an equation as expression 1 = expression 2 ( E1 = E2 ). You may enter more than one variable, but you will have to select one variable to solve.
  • Page 57 - E2 =0 ( expression 1 = expression 2 ) is finding the difference of the left hand side of your equation, E1 with X= 2 and the right hand side of your equation, E2 with X= The difference is zero. The equation balances. X= 2 is the solution.

  • Page 58: Managing Calculator Files

    Apps are not shared between these graphing calculators even if they have the same title. When not compatible, the computer file extensions for the TI-84 Plus CE are different from a similar variable from the TI-84 Plus/TI-84 Plus Silver Edition graphing calculators.
  • Page 59 File Type Link From Link From TI-84 to TI-84 TI-84 Plus CE to TI-84 Plus TI-Plus CE Plus CE TI-84 Computer Computer Apps AppVar Programs - TI 1, 2 Basic Assembly Programs Pictures Background Images Group Files User Zoom String...

  • Page 60: Using Press-To-Test

    Using Press-to-Test Use Press-to-Test to manage exams using TI graphing calculators in your classroom. Setting Up Test Mode 1. Turn the calculator OFF. 2. Press and hold down the ~, | and É keys and then release. 3. The RESET OPTIONS screen displays. 4.
  • Page 61 9. On the exam calculator, Pic and Image Vars are shown as disabled. The following screen displays: 10. In memory management (y L, 2:Mem Management/Delete... ), disabled files will display with the not equal sign. Using Press-to-Test...

  • Page 62: 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 . •...

  • Page 63: Using Applications (Apps)

    Using Applications (Apps) These applications are preloaded on your TI-84 Plus CE, and you can install Apps. You can view the Applications Guidebook, install applications, and install the TI Connect™ CE software at education.ti.com/go/download. Press Œ to see the complete list of applications.

  • Page 64: Inequality Graphing App

    Inequality Graphing App Gives you new features for graphing equations and inequalities and evaluating the relationship between them. You can: • Enter inequalities using relation symbols • Graph inequalities and shade the union and intersection regions • Enter inequalities (vertical lines only) in an X=editor •...

  • Page 65: Science Tools App

    To use the TI-84 Plus CE as a remote keypad for TI-SmartView™ CE: 1. SmartPad™ CE App for TI-84 Plus CE comes pre-loaded on the calculator. If not on your TI-84 Plus CE, SmartPad CE App is also available to load to your calculator at education.ti.com/go/download.

  • Page 66: Ti-Innovator™ Hub App

    Note: • The TI-84 Plus CE running the SmartPad™ CE App will not display calculations or graphs. The calculator becomes a remote USB key pad for the emulator only. • The TI-84 Plus CE will remain a remote key pad when the TI-SmartView™ CE emulator keypad is in focus.

  • Page 67: Using Accessories

    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 68 The front of the calculator must face the front of the charging station. You may damage the TI-84 Plus CE graphing calculator if you try to force it into the charging station facing the wrong direction. When looking at the TI logo on the charging station, insert calculators into the slot with the keypad facing left.

  • Page 69: Using, Replacing, And Charging Batteries

    3. Gently push the graphing calculator into the slot. You will feel a slight resistance; continue pushing down until the graphing calculator is seated. When the TI-84 Plus CE graphing calculator is properly seated in a slot, the LED light on the side of the calculator turns amber to indicate it is charging.
  • Page 70 Deep Sleep mode is enabled automatically after a period of being in the off state. Recharging the TI Rechargeable Battery You should make sure the TI-84 Plus CE battery is charged for classroom use and before exams. Using Accessories...
  • Page 71 Use one of the following options to charge the battery in the TI-84 Plus CE graphing calculator: • Connect the graphing calculator to a computer using a USB computer cable. -or- • Connect to a wall outlet using a TI wall adapter (may be sold separately).
  • Page 72 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. When the TI Rechargeable Battery is fully charged, the graphing calculator draws power in the following order: 1.

  • Page 73: Diagnosing And Correcting Error Conditions

    1. Determine the error. The error screens give helpful hints about what may have happened, but the errors are not always fully explained. 2. Correct the expression. Diagnosing an Error When the TI-84 Plus CE detects an error, it returns an error message with a short description. Displays the home screen 1:Quit...

  • Page 74: General Information

    General Information Texas Instruments Support and Service General Information: North and South America education.ti.com Home Page: education.ti.com/support KnowledgeBase and e-mail inquiries: (800) TI-CARES / (800) 842-2737 Phone: For North and South America and U.S. Territories education.ti.com/support/worldwide International contact information: For Technical Support education.ti.com/support...
  • Page 75 • Do not mix brands (or types within brands) of batteries. There is a risk of explosion if a battery is replaced by the wrong type. Disposing of Batteries Do not mutilate, puncture, or dispose of batteries in fire. The batteries can burst or explode, releasing hazardous chemicals.

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