Getting Started with the TI-84 Plus CE Graphing Calculator This guidebook applies to software version 5.2. To obtain the latest version of the documentation, go to education.ti.com/go/download.
Important Information Except as otherwise expressly stated in the License 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.
Contents Important Information What's New What's New in TI-84 Plus CE Version 5.2 Sequence Graphing Distributions TI-Basic Program Editor Update Assessment Updates CE Apps Version 5.
Working with Graphs Using Color on the TI-84 Plus CE Using QuickPlot and Fit Equation Working With Images Working with Matrices 35 35 37 37 38 Using the Matrix Editor Performing a Calculation with a Matrix 38 38 Working with Probability and Statistics 40 Working with Probability Working with Statistics Working with Variables Storing Variable Values Recalling Variable Values Managing Calculator Files Transferring the OS from calculator to calculator Compatibility with Graphing Calculators Using Ap
Bringing a Calculator Out of Test Mode 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 Korean Class A warning statement Index 64 65 65 65 66 66 66 66 67 68 v
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What's New What's New in TI-84 Plus CE Version 5.2 To report issues and help us improve our applications, please email us at ticares@ti.com. Sequence Graphing Additional Seq graphing mode Adds additional sequence types: seq(n+1) seq(n+2) Adds easy sequence function entry from shortcut menu. Distributions Inverse Binomial Cumulative Distribution Calculate the inverse binomial cumulative distribution. If needed, also calculate the binomial CDF for the resulting values for a full analysis.
- Get( Enhanced with timeout argument DelVar to String( TI-Basic Program Editor Line Number If an error occurs when running a program, select Goto. The cursor is now near the error, and the command line number displays in the status bar. MathPrint Icons on Shortcut menus Shortcut menus enhanced with MathPrint template icons. Assessment Updates Always use the latest TestGuard™ CE App version with the latest CE OS for exam setups. CE Apps Version 5.
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.
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 À to continue to the home screen but not see this information screen the next time you press É. -or- • Press Á to continue to the home screen.
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.
Function Keys y 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 ^ - fraction templates, n/d, quick matrix entry, select MATH a menus, and VARS menu functions. ƒ Access options for the DRAW b command when used in GRAPH.
Using the Function Keys Primary Function • Secondary • Function • • Tertiary (Alpha Key) Function • • • • The function appears on the key. Ex: to display the MATH menu, press ». The function appears above the key in the same color as the y key. When you press the y key, the key name printed above the other key becomes active for the next keystroke. Ex: to display the TEST menu, press y and then ». The flashing cursor becomes Þ when you press y . Þ may also appear in the status bar.
Setting the Display Brightness This section covers how to set the display brightness and explains automatic dimming. 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. ▶ 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.
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. 1. Enter a calculation. 2. Press y 5 from any screen until you get back to the home screen. 3. Press y C 3 ¡ Ã 4 ¡ ~ Ã 6 Í .
Classic Entries MathPrint™ √(5) Some input areas in MathPrint™ mode only support classic entries.
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. Note: List and matrix answers cannot be copied and pasted to the new entry line.
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 GridColor option. The context help for how to change the GridColor using the spinner menu is displayed on the second line of the status bar. Selected MODE settings.
^ Templates to enter fractions, and to toggle between whole and mixed fractions, and fractions and decimals. _ Selected functions from the MATH MATH and MATH NUM menus as you would see them in a textbook, when in MathPrint™ mode. Functions include absolute value, numeric differentiation, numeric integration, summation, log base n, square root, permutations, combinations, and factorials. ` Quick MathPrint™ matrix entry, when available. a Names of function variables from the VARS Y-VARS menu.
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. Note: The second cursor Þ and alpha cursor Ø may appear on the status bar, depending on the context. Cursor Appearance Effect of Next Keystroke Entry Solid rectangle This is the default cursor. Enter characters at this cursor; this overrides any existing character. $ Insert Underline __ Press y6 for this cursor.
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. • Ex: press » to display the MATH menu. • After you select an item from a menu, the screen where you are working usually displays again.
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. -or- ▶ Press † or } to move the cursor to the item you want, and then press Í. -or- ▶ Within the Catalog listing of functionality, move the cursor to the item you want, and then press Ã.
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.
Working with MATH Menus The following are the MATH shortcut menus. Scroll down when you see the ($) to see the whole menu.
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: Note: When you press z, the cursor is on NORMAL by default. Press } to switch between MathPrint™ and Classic modes. Note: The Constant Memory™ feature retains mode settings when the unit is turned off.
Mode Description THIN DOT-THIN SEQUENTIAL SIMUL Change the order in which functions are plotted. REAL a+bi re^(0i) Change the way complex numbers are displayed. FULL HORIZONTAL GRAPH-TABLE Change the way a graph is displayed. FRACTION TYPE: N/D Change the way a fraction is displayed. ANSWERS: AUTO DEC Change the format in which you see your results. STAT DIAGNOSTICS: OFF ON Controls whether a statistical regression displays with or without the correlation coefficient.
Changing Mode Settings To change mode settings, follow these steps: 1. Press † or } to move the cursor to the line of the setting that you want to change. 2. Press ~ or | to move the cursor across the line to the desired setting. 3. Press Í to select a setting. Exception: LANGUAGE Press ~ or | to select a loaded language. Press † or } to set the selected language. Note: The second line of the status bar displays context help with a description of line modes.
Up to three digits before the decimal and the power of 10 (to the right of â) is a multiple of three. Note: The keypad contains y D, which displays as â on the calculator. *This â in the display stands for "x10" and the number entered after â becomes 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.
FUNCTION PARAMETRIC POLAR SEQ Graphing modes define the graphing parameters. FUNCTION graphing mode plots functions, where Y is a function of X. PARAMETRIC graphing mode plots relations, where X and Y are functions of T. POLAR graphing mode plots functions, where r is a function of q. SEQUENCE graphing mode plots sequences. Three sequences are available: u, v, and w, with an option of the independent variables of n, n+1, and n+2.
Note: Use THIN plotting mode for function graphing when looking at any functions which asymptote to an axis. DOT-THIN plotting mode resets all Y= line styles to a small dot and plots only the calculated points of the selected functions. SEQUENTIAL SIMUL SEQUENTIAL graphing-order mode evaluates and plots one function completely before the next function is evaluated and plotted.
Horizontal Graph-Table FRACTION TYPE: n/d Un/d n/d displays results as a simple fraction. Fractions may contain a maximum of six digits in the numerator; the value of the denominator may not exceed 9999. Un/d displays results as a mixed number, if applicable. U, n, and d must be all be integers. If U is a non-integer, the result may be converted U n/d. If n or d is a non- integer, a syntax error is displayed. The whole number, numerator, and denominator may each contain a maximum of three digits.
STAT WIZARDS: ON OFF ON : Selection of menu items in MATH PROB, STAT, CALC, DISTR DISTR, DISTR DRAW and seq( in LIST OPS displays a screen which provides syntax help (wizard) for the entry of 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. Some calculations will compute directly from the wizard.
LANGUAGE Press ~ or | on the LANGUAGE spinner menu to select a loaded language. Press † or } to set the selected language. Note: • The calculator will retain your language setting for most resets of the calculator. • The LANGUAGE spinner menu will only display Language Apps loaded on the calculator. Check education.ti.com for all available languages. Use TI Connect™ CE to load files to your calculator.
mark to select it. The ALPHA uppercase mode is automatically turned on. To change to lowercase, press ƒ. f) 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. g) Press |, ~, †, or } to move the box to Done. h) Press Í to paste the contents of the edit line to the previous screen.
Evaluating Expressions An expression is a group of • numbers, • variables, • functions and their arguments, -or- • 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 2 is an expression.
Note: Within a priority level, EOS™ evaluates functions from left to right. Calculations within parentheses are evaluated first. A number in scientific or engineering notation, 2.34â6, is interpreted as (2.3x106) with parentheses so the number remains the correct value during the EOS™ calculation. Implied Multiplication The TI-84 Plus CE recognizes implied multiplication, so you do not need to press ¯ to express multiplication in all cases.
Entering Expressions and Instructions You can use an expression on the home screen to calculate an answer. In most places where a value is required, you can use an expression to enter a value. Entering an Expression To create an expression, you enter numbers, variables, and functions using the keyboard and menus. An expression is evaluated when you press Í, regardless of the cursor location.
Calculate 3.76 P (L7.9 +$ 5) + 2 log 45. MathPrint™ Classic 3 Ë 76 ¥ £ k 7 Ë 9 Ã y C 5 ~ ¤ 3 Ë 76 ¥ £ k 7 Ë 9 Ã y C 5 ¤ Ã 2 « 45 ¤ Í ¤ Ã 2 « 45 ¤ Í Note: The ~ is a notable keystroke difference as compared to Classic. Multiple Entries on a Line To enter two or more expressions or instructions on a line, separate them with colons (ƒ m). All instructions are stored together in last entry (ENTRY). Entering a Number in Scientific Notation 1. Enter the part of the number that precedes the exponent.
Instructions An instruction (command) initiates an action on the calculator. For example, ClrDraw is an instruction to the calculator to clear drawn elements from a graph. Instructions cannot be used in expressions. 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.
Keystrokes Result ‘ • • • • • Clears the current line on a line with text on the home screen. Clears everything on the home screen on a blank line on the home screen. This does not clear the history of your entries and answers. Press } to see the history. Use Clear Entries* followed by ‘ if you wish to delete all home screen entries. *Clear Entries is found in N. Clears the expression or value where the cursor is located in an editor; it does not store a zero.
Working with Graphs This section covers how to change color options on a graph, how to draw points on a graph, and how to insert an image as a background on a graph. 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: • Y= editor for line color.
1. Press | to highlight the colored box. 2. Press Í. 3. Press y ~ ~ ~ to place the cursor box on the color and line style at the left of the screen and press Í. The spinner box displays. Notice the second line in the status bar, which displays hints. 4. Press ~ ~ ~ to select magenta. 5. Press †. Note: The thick line style is the default. It can be changed by pressing | or ~. 6. Press ~ to highlight OK and then press Í. To set a Background Image: 1. Press y ..
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. You can select color and line style, draw points on a graph, and choose an equation to fit the drawn points. You can then store the results of the plot and equation. QuickPlot and Fit Equation is an option in the … / menu.
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. Press y ¾. 2. Press ~ to navigate to the EDIT submenu. 3. Select from one of 10 allowed matrix variable names [A] – [J]. 4. Enter the dimension of the matrix, then enter values in each matrix cell.
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. Note: Remember that you cannot type in a matrix name from the calculator keypad. Use the ¾ NAMES menu to paste a matrix name.
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. Working with Probability You can find probability commands in the » PROB submenu. Many probability commands have Stat Wizards to help you enter the syntax.
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.... • The seed value also affects randInt( , randNorm( , and randBin( instructions.
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. To plot this data: 4. Press y ,. 5. Press 1: Plot1 (to set up a scatter plot for L1 and L2), then Í. 6. Press | to highlight On. 7. Press q to automatically set up a graphing window for your data. 8. Press 9: ZoomStat to see the graph. 9. Press r and arrow keys to trace on the plot.
Note: You can plot your statistics data in these ways: • • • • • Scatter plot xyLine Histogram Regular or Modified box-and-whisker plot Normal probability plot Working with Probability and Statistics 43
To find the two variable statistics for L1 and L2: 1. Press …. 2. Press ~ to highlight CALC. 3. Press † until you highlight 2:2-Var Stats , then Í. 4. Press † until you highlight Calculate, then Í. ▶ The screen will display the variable statistics. 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.
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. 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.
Variable Type Names Save current equations from Y= and Window settings to reuse. Background images Image1, Image2, ... , Image9, Image0 Pictures Pic1, Pic2, ... , Pic9, Pic0 Strings Str1, Str2, ... , Str9, Str0 Apps Applications AppVars Application variables Groups Grouped variables Save a group of calculator files for sharing or to re-use when setting up a classroom. System variables Xmin, Xmax, and others * Once a list contains a complex number, it is designated as a complex list.
Storing Variable Values Values are stored to and recalled from memory using variable names. When you evaluate an expression that contains a variable name, the graphing calculator substitutes the value currently stored in that variable. To store a value to a variable from the home screen or a program using the ¿ key, begin on a blank line and follow these steps. 1. Enter the value you want to store. The value can be an expression. 2. Press ¿. ! is copied to the cursor location. 3.
Recalling Variable Values To recall and copy variable contents to the current cursor location, follow these steps. To leave Rcl, press ‘. 1. Press y K. Rcl and the edit cursor are displayed on the bottom line of the screen. 2. Enter the name of the variable in one of the following ways: • • • • • Press ƒ and then the letter of the variable. Press y 9, and then select the name of the list, or press y d or e, and so forth. Press y ¾, and then select the name of the matrix.
Managing Calculator Files This section explains how to transfer the OS from calculator to calculator and describes compatibility between graphing calculators. Transferring the OS from calculator to calculator You can transfer the operating system from one calculator to another using a USB unitto-unit cable. Connect the two calculators by firmly inserting the USB cable ends into the calculators. The USB port is located on the front-right side of the calculator.
Link from TI-84 to TI-84 Plus CE Link from TI-84 Plus CE to TI-84 84P computer file type TI-84 Plus CE computer file type Programs - TI Basic1, 2 Yes Yes 8xp 8xp Assembly Programs1 Yes No 8xp 8xp Pictures No No 8xi 8ci Background Images N/A No N/A 8ca Group Files Yes Yes 8xg 8xg User Zoom Yes Yes 8xz 8xz String Yes Yes 8xs 8xs Table Yes Yes 8xt 8xt Function file Yes Yes 8xy 8xy GDB3 Yes Yes 8xd 8xd List Yes Yes 8xl 8xl Matrix Yes Yes 8xm 8xm Nu
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. Cabri™ Jr. App Construct, analyze, and transform mathematical models and geometric diagrams on your TI graphing calculator.
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 • Trace points of interest (such as intersections) between relations • Store (x,y) coordinate pairs to lists for viewing and optimizing functions for linear programming.
Science Tools App Science Tools allows you to perform unit conversions on your calculator. App elements include: • Significant Figures Calculator • Constants and Conversions • Data and Graph Wizard • Vector Calculator SmartPad™ CE App Connecting a Calculator as a Remote Key Pad The SmartPad™ CE App allows you to connect a calculator as a remote key pad. To use the TI-84 Plus CE as a remote keypad for TI-SmartView™ CE: 1. Load the SmartPad™ CE App on your TI-84 Plus CE. 2.
• 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 window is in focus. Click on the TI-SmartView window prior to pressing keys on the calculator. • The TI SilverLink cable is not supported in TI-SmartView™ CE. TI-Innovator™ Hub App The TI-Innovator™ Hub App runs automatically in CE OS 5.
Using Accessories This section covers how to use: • TI computer software • TI Charging Station CE • TI rechargeable batteries Using TI Desktop Software Use TI desktop software to exchange information between your graphing calculator and your computer, or to display a TI graphing calculator for your entire classroom. Using TI-SmartView™ CE The TI-SmartView™ CE software allows you to display a TI graphing calculator for your entire classroom.
Preparing Charging Stations for Use The TI Charging Station CE is shipped with the following components in each package: • A TI Charging Station CE • An AC adapter • A regional power cord adapter 1. Insert the small end of the power adapter cord into the charging station’s power jack. 2. Plug the other end of the adapter into a power outlet. • 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.
1. Remove the slide case from the graphing calculator. 2. 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. 3. Gently push the graphing calculator into the slot. You will feel a slight resistance; continue pushing down until the graphing calculator is seated.
• Check the connector on the graphing calculator to ensure that it is clean. If there is build-up on the graphing calculator’s connector, you can remove it with a clean, dry cloth or a pencil eraser. Never use wet cloths or solutions of any kind. Storing Charging Stations Store the TI Charging Station CE on a flat surface such as a table or a wheeled cart. You cannot damage the charging station by leaving it plugged in for extended periods of time.
Using, Replacing, and Charging Batteries The TI-84 Plus CE graphing calculator comes with a: • TI rechargeable battery • USB computer cable for transferring files and charging the battery Note: Charge the battery for at least four hours to ensure optimum performance. Battery Status The battery status icon on the upper right of the screen gives information on battery life. The battery icons indicate the level of battery power remaining, and indicate if the battery is charging.
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. After waking the handheld, you can turn it on anytime by pressing É. To maximize battery life during extended storage periods, the Deep Sleep mode is enabled automatically after a period of being in the off state.
Replacing the Battery Use only the TI Rechargeable Battery to replace the TI-84 Plus CE battery. To replace the battery, follow these steps. 1. Use a small screwdriver to release the panel from the back of the handheld. 2. Remove the panel. 3. Remove the old battery. 4. Drop in a new battery. 5. Replace the back panel and fasten the screws with a screwdriver. Disposing of Used Batteries Safely and Properly Do not mutilate, puncture, or dispose of batteries in fire.
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. Press OK on each screen to place calculator in exam mode. 4. Exam LED will blink green. 5. The RESET OPTIONS screen displays. Notes: • • • • The status bar is blue when in TEST MODE and TEST MODE ENABLED. Pic & Image Vars are disabled. Calculator data (Vars) are deleted from RAM and Arc.
7. On the exam calculator, press Œ to verify that applications are disabled. The following screen displays: Note: • • All variables, excluding AppVars, stored in RAM and in archived memory are deleted. Several Apps remain on the calculator for the exam. Press any key to see the Apps menu. 8. On the exam calculator, press ¼ to verify that programs have been disabled. The following screen displays: 9. On the exam calculator, Pic and Image Vars are shown as disabled. The following screen displays: 10.
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• Use the TI TestGuard™ App re-enable feature. Notes: To clear a calculator of files created during an exam, use the following two-step process: If you do not need to clear files, use step 2 below: 1. Reset calculator files.
Diagnosing and Correcting 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 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.
General Information Texas Instruments Support and Service General Information: North and South America education.ti.com Home Page: KnowledgeBase and e-mail inquiries: education.ti.com/support Phone: (800) TI-CARES / (800) 842-2737 For North and South America and U.S. Territories International contact information: education.ti.com/support/worldwide For Technical Support Knowledge Base and support by e-mail: education.ti.com/support or ti-cares@ti.
• 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. Discard used batteries according to local regulations. 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.
Index D A a+bi (rectangular complex mode) AC adapters alpha cursor angle modes APD™ (Automatic Power Down™) Apps AppVars Archive Automatic Power Down™ (APD™) 24 56 14 22 4-5 46 46 47 4-5 B batteries charging status troubleshooting 57 57 57 decimal mode (float or fixed) Degree angle mode Desktop Software display brightness display cursors Displaying the Clock Settings E E (exponent) edit keys table Eng (engineering notation mode) entry cursor EOS™ (Equation Operating System™) Equation Operating System
H home screen scrolling Horiz (horizontal split-screen mode) 9 9, 11 24 I implied multiplication Inequality Graphing insert cursor inserting calculators in charging station instruction, definition of 30 52 14 56 33 L LED lights 57 M menus scrolling shortcut mode Answers Classic MathPrint™ mode settings a+bi (complex rectangular) Degree (angle) Eng (notation) Fix (decimal) Float (decimal) Full (screen) Func (graphing) GT (screen) Horiz (screen) Normal (notation) Par/Param (graphing) Pol/Polar (graphing
setting display contrast modes Simul (simultaneous graphing order mode) SmartPad™ CE App spinner status LED indicator rechargeable batteries status bar storing TI-84 Plus CE Charging Stations 8 19 24 53 35 57 57 11 58 T TI-84 Plus CE Charging Stations storing TI-Innovator™ Hub TI-SmartView™ CE TI Connect™ CE TI Rechargeable Batteries charging Transformation Graphing troubleshooting 55 58 54 55 55 57 54 57 U Un/d UnArchive 25 47 V variables complex displaying and storing values graph databases graph pi
