User Manual
Page 3
... to use these features together. The first chapter gives general instructions on the Graph 12 Finding the Calculated Maximum 13 Other Features 14 Chapter 1: Operating the TI.82 Turning the TI.82 On and Off 1-2 Setting the Display Contrast 1-3 The Display 1-4 Entering Expressions and Instructions 1-6 TI.82 Edit Keys 1-8 Setting Modes 1-9 TI.82 Modes 1-10 Variable Names 1-12 Storing and Recalling Variable...
... to use these features together. The first chapter gives general instructions on the Graph 12 Finding the Calculated Maximum 13 Other Features 14 Chapter 1: Operating the TI.82 Turning the TI.82 On and Off 1-2 Setting the Display Contrast 1-3 The Display 1-4 Entering Expressions and Instructions 1-6 TI.82 Edit Keys 1-8 Setting Modes 1-9 TI.82 Modes 1-10 Variable Names 1-12 Storing and Recalling Variable...
User Manual
Page 7
... 14: Applications Left-Brain, Right-Brain Test Results 14-2 Speeding Tickets 14-4 Buying a Car, Now or Later 14-5 Graphing Inequalities 14-6 Solving a System of Nonlinear Equations 14-7 Program: Sierpinski Triangle 14-8 Cobweb Attractors 14-9 Program: Guess the ... Items from Memory 15-3 Resetting the TI.82 15-4 Chapter 16: Communication Link Getting Started: Sending Variables 16-2 TI.82 LINK 16-3 Selecting Items to Send 16-4 Transmitting Items 16-6 Receiving Items 16-7 Backing Up Memory 16-8 Appendix A: Tables Tables of Functions and Instructions A-2 Menu Map A-22 Table of...
... 14: Applications Left-Brain, Right-Brain Test Results 14-2 Speeding Tickets 14-4 Buying a Car, Now or Later 14-5 Graphing Inequalities 14-6 Solving a System of Nonlinear Equations 14-7 Program: Sierpinski Triangle 14-8 Cobweb Attractors 14-9 Program: Guess the ... Items from Memory 15-3 Resetting the TI.82 15-4 Chapter 16: Communication Link Getting Started: Sending Variables 16-2 TI.82 LINK 16-3 Selecting Items to Send 16-4 Transmitting Items 16-6 Receiving Items 16-7 Backing Up Memory 16-8 Appendix A: Tables Tables of Functions and Instructions A-2 Menu Map A-22 Table of...
User Manual
Page 10
... throughout this guidebook. A pixel (picture element) is 96 pixels wide and 64 pixels high. Expression Function Graph Database Graph Picture Home Screen Instruction List Matrix Menu Items Pixel Variable An expression is a two-dimensional array on the TI.82 display. A matrix is a complete sequence of curves, evaluating a function at multiple values, and entering statistical data...
... throughout this guidebook. A pixel (picture element) is 96 pixels wide and 64 pixels high. Expression Function Graph Database Graph Picture Home Screen Instruction List Matrix Menu Items Pixel Variable An expression is a two-dimensional array on the TI.82 display. A matrix is a complete sequence of curves, evaluating a function at multiple values, and entering statistical data...
User Manual
Page 14
... more than one line, and recall previous entries. 1. Press 1000 ¯ £ 1 Ã ƒ Z ¤ › ƒ Y. The last calculated expression is shown in value. Press .06 ¿ ƒ Z (annual interest rate) to evaluate the expression. Use 1000 as you can store values to...227;:ä, then enter the expression to variables, enter multiple instructions on one instruction on the next line of the display. 5. Enter 10 ¿ ƒ Y (years). 4. You also can use Last Entry to enter the next expression. 6. The TI.82 displays up to 8 lines of 16 characters so you ...
... more than one line, and recall previous entries. 1. Press 1000 ¯ £ 1 Ã ƒ Z ¤ › ƒ Y. The last calculated expression is shown in value. Press .06 ¿ ƒ Z (annual interest rate) to evaluate the expression. Use 1000 as you can store values to...227;:ä, then enter the expression to variables, enter multiple instructions on one instruction on the next line of the display. 5. Enter 10 ¿ ƒ Y (years). 4. You also can use Last Entry to enter the next expression. 6. The TI.82 displays up to 8 lines of 16 characters so you ...
User Manual
Page 22
...display the new WINDOW settings. 12 Getting Started The graph is displayed. Use |, }, ~, and † to position the cursor near the maximum value on the Graph You can magnify the viewing WINDOW around a specific location using a ZOOM instruction. 3. To select an item, you may either ...press the number to the left of the item, or you are using the ZOOM instructions to indicate that you may press † until the item number is typical of TI.82...
...display the new WINDOW settings. 12 Getting Started The graph is displayed. Use |, }, ~, and † to position the cursor near the maximum value on the Graph You can magnify the viewing WINDOW around a specific location using a ZOOM instruction. 3. To select an item, you may either ...press the number to the left of the item, or you are using the ZOOM instructions to indicate that you may press † until the item number is typical of TI.82...
User Manual
Page 24
... of the TI.82. The remainder of this guidebook describes these features in statistical analysis. Programming You can enter and save programs that include extensive control and input/output instructions. (Chapter 13) Split Screen You can show simultaneously the graph screen and ... Getting Started Graphing You can enter and save three statistical plot definitions. (Chapters 12). You can use DRAW operations to annotate graphs (Chapter 8). Other Features Getting Started introduced you to basic calculator operation and the table and function graphing features of the TI.82. You also...
... of the TI.82. The remainder of this guidebook describes these features in statistical analysis. Programming You can enter and save programs that include extensive control and input/output instructions. (Chapter 13) Split Screen You can show simultaneously the graph screen and ... Getting Started Graphing You can enter and save three statistical plot definitions. (Chapters 12). You can use DRAW operations to annotate graphs (Chapter 8). Other Features Getting Started introduced you to basic calculator operation and the table and function graphing features of the TI.82. You also...
User Manual
Page 25
Chapter Contents Turning the TI.82 On and Off 1-2 Setting the Display Contrast 1-3 The Display 1-4 Entering Expressions and Instructions 1-6 TI.82 Edit Keys 1-8 Setting Modes 1-9 TI.82 Modes 1-10 Variable Names 1-12 Storing and Recalling Variable Values 1-13 Last Entry 1-14 Last Answer 1-16 TI.82 Menus 1-17 VARS and Y.VARS Menus 1-19 EOSé (Equation Operating System 1-20 Error Conditions 1-22 Operating the TI.82 1-1 Chapter 1: Operating the TI-82 This chapter describes the TI.82 and provides general information about its operation.
Chapter Contents Turning the TI.82 On and Off 1-2 Setting the Display Contrast 1-3 The Display 1-4 Entering Expressions and Instructions 1-6 TI.82 Edit Keys 1-8 Setting Modes 1-9 TI.82 Modes 1-10 Variable Names 1-12 Storing and Recalling Variable Values 1-13 Last Entry 1-14 Last Answer 1-16 TI.82 Menus 1-17 VARS and Y.VARS Menus 1-19 EOSé (Equation Operating System 1-20 Error Conditions 1-22 Operating the TI.82 1-1 Chapter 1: Operating the TI-82 This chapter describes the TI.82 and provides general information about its operation.
User Manual
Page 28
Displaying Entries and Answers When text is displayed, the TI.82 screen can display a split screen, showing graphics and text simultaneously (Chapter 9). If ... entirety, ellipsis marks (...) are shown at the left and right. If all of the next line. The TI.82 also can have up to scroll the answer and view all lines of the display are displayed (page 1.10...answers. The Display The TI.82 displays both text and graphics. On numeric editors such as a list or matrix, is the primary screen of up to eight lines of the TI.82, where you enter instructions to be executed and ...
Displaying Entries and Answers When text is displayed, the TI.82 screen can display a split screen, showing graphics and text simultaneously (Chapter 9). If ... entirety, ellipsis marks (...) are shown at the left and right. If all of the next line. The TI.82 also can have up to scroll the answer and view all lines of the display are displayed (page 1.10...answers. The Display The TI.82 displays both text and graphics. On numeric editors such as a list or matrix, is the primary screen of up to eight lines of the TI.82, where you enter instructions to be executed and ...
User Manual
Page 30
...can enter expressions, which initiate an action, on the Home screen or in Last Entry (page 1.14). 1-6 Operating the TI.82 The entire expression is evaluated according to calculate an answer. You must press « 4 5. Entering an Expression To create an expression, enter numbers, variables, and ... You enter instructions, which return a value, in them. An expression is written. You cannot type in the letters L O G. (If you type LOG, the TI.82 interprets the entry as implied multiplication of 45, you enter an expression in the same order that evaluate to calculate the log ...
...can enter expressions, which initiate an action, on the Home screen or in Last Entry (page 1.14). 1-6 Operating the TI.82 The entire expression is evaluated according to calculate an answer. You must press « 4 5. Entering an Expression To create an expression, enter numbers, variables, and ... You enter instructions, which return a value, in them. An expression is written. You cannot type in the letters L O G. (If you type LOG, the TI.82 interprets the entry as implied multiplication of 45, you enter an expression in the same order that evaluate to calculate the log ...
User Manual
Page 31
... the busy indicator is displayed, indicating that a calculation or a graph is shown. ¦ To go to where the interruption occurred, select Goto. ¦ To return to the Home screen, select Quit. Operating the TI.82 1-7 For example, ClrDraw is determined by the MODE settings (page...the answers to stop the calculation. (There may be an expression. 2. The display format is an instruction that precedes the exponent. Some instructions require more than one argument, which is indicated by a ( at the end of the number. Instructions An instruction initiates an action. For ...
... the busy indicator is displayed, indicating that a calculation or a graph is shown. ¦ To go to where the interruption occurred, select Goto. ¦ To return to the Home screen, select Quit. Operating the TI.82 1-7 For example, ClrDraw is determined by the MODE settings (page...the answers to stop the calculation. (There may be an expression. 2. The display format is an instruction that precedes the exponent. Some instructions require more than one argument, which is indicated by a ( at the end of the number. Instructions An instruction initiates an action. For ...
User Manual
Page 32
... key). The cursor changes to an A. The cursor changes to an A. TI-82 Edit Keys ~ or | Moves the cursor within an expression. y | Moves the cursor to beginning of expression. Í Evaluates an expression or executes an instruction. ' ¦ On a line with text on the Home screen, clears...The cursor changes to enter an X in Func MODE, a T in Par MODE, or a q in Pol MODE without pressing ƒ first. 1-8 Operating the TI.82 To cancel ALPHA-LOCK, press ƒ. it does not store a zero. { Deletes character at underline cursor. To cancel 2nd, press y. ƒ Next keystroke...
... key). The cursor changes to an A. The cursor changes to an A. TI-82 Edit Keys ~ or | Moves the cursor within an expression. y | Moves the cursor to beginning of expression. Í Evaluates an expression or executes an instruction. ' ¦ On a line with text on the Home screen, clears...The cursor changes to enter an X in Func MODE, a T in Par MODE, or a q in Pol MODE without pressing ƒ first. 1-8 Operating the TI.82 To cancel ALPHA-LOCK, press ƒ. it does not store a zero. { Deletes character at underline cursor. To cancel 2nd, press y. ƒ Next keystroke...
User Manual
Page 33
...specific MODE settings are described on blinks. 2. for fixed decimal setting is copied to the Home screen. the name is Fix n. Operating the TI.82 1-9 Checking MODE Settings Press z to plot simultaneously Full or split screen Changing MODE Settings 1. MODE settings are displayed and interpreted. Press Í... the name from a program by Constant Memoryé when the TI.82 is on the following pages. Setting Modes Modes control how numbers and graphs are retained by entering the name of the MODE as an instruction; The setting that you want to the line of the setting that...
...specific MODE settings are described on blinks. 2. for fixed decimal setting is copied to the Home screen. the name is Fix n. Operating the TI.82 1-9 Checking MODE Settings Press z to plot simultaneously Full or split screen Changing MODE Settings 1. MODE settings are displayed and interpreted. Press Í... the name from a program by Constant Memoryé when the TI.82 is on the following pages. Setting Modes Modes control how numbers and graphs are retained by entering the name of the MODE as an instruction; The setting that you want to the line of the setting that...
User Manual
Page 36
... a program. You can enter and use several types of data, including real numbers, matrices, lists, functions, stat plots, graph databases, and graph pictures. Programs are stored and recalled using instructions from the DRAW menu (Chapter 8). 1-12 Operating the TI.82 Variable type Real numbers Matrices Lists Functions Parametric equations Polar functions Sequence functions Stat plots...
... a program. You can enter and use several types of data, including real numbers, matrices, lists, functions, stat plots, graph databases, and graph pictures. Programs are stored and recalled using instructions from the DRAW menu (Chapter 8). 1-12 Operating the TI.82 Variable type Real numbers Matrices Lists Functions Parametric equations Polar functions Sequence functions Stat plots...
User Manual
Page 38
...you have typed. 5Ã7 Í y ãENTRYä Multiple Entries on a Line To enter more than one expression or instruction, separated with a colon (:). Because the TI.82 updates the Last Entry storage area only when Í is as accurate as your first guess. 8 ¿ ƒ R y ã:ä...Home screen to evaluate an expression or execute an instruction, the expression or instruction is stored in a storage area called Last Entry, which you can recall all entries on a line, edit any editor. However, when you turn the TI.82 off, Last Entry is inserted at the end ...
...you have typed. 5Ã7 Í y ãENTRYä Multiple Entries on a Line To enter more than one expression or instruction, separated with a colon (:). Because the TI.82 updates the Last Entry storage area only when Í is as accurate as your first guess. 8 ¿ ƒ R y ã:ä...Home screen to evaluate an expression or execute an instruction, the expression or instruction is stored in a storage area called Last Entry, which you can recall all entries on a line, edit any editor. However, when you turn the TI.82 off, Last Entry is inserted at the end ...
User Manual
Page 43
......, for example. ¦ In VARS, use in an expression or to store to them directly. Operating the TI.82 1-19 Use the VARS or Y.VARS menus to display the VARS menu. X/Y, G, EQ, BOX, PTS variables...WINDOW variables such as Xmin and Tstep, the user-defined ZOOM variables such as ZXmin, graph databases and graph pictures such as GDB1 and Pic2, statistics variables such as v, RegEQ and Q1, ... | to move to display the Y-VARS menu. It is displayed. 2. Names of functions and the instructions to the cursor location. Names of Table variables Y-VARS Menu The Y-VARS menu accesses the names of ...
......, for example. ¦ In VARS, use in an expression or to store to them directly. Operating the TI.82 1-19 Use the VARS or Y.VARS menus to display the VARS menu. X/Y, G, EQ, BOX, PTS variables...WINDOW variables such as Xmin and Tstep, the user-defined ZOOM variables such as ZXmin, graph databases and graph pictures such as GDB1 and Pic2, statistics variables such as v, RegEQ and Q1, ... | to move to display the Y-VARS menu. It is displayed. 2. Names of functions and the instructions to the cursor location. Names of Table variables Y-VARS Menu The Y-VARS menu accesses the names of ...
User Manual
Page 45
Parentheses All calculations inside the parentheses, 1+2, and then multiplies the answer, 3, by an open " parenthetical elements are evaluated before negation. Negation To enter a negative number, use the ...; to access specific elements in the expression 4(1+2), EOS first evaluates the portion inside a pair of an expression and preceding the ! (store) or display conversion instructions. Implied Multiplication The TI.82 recognizes implied multiplication. For example, it understands 2p, 4 sin 46, 5(1+2), and (2...5)7 as in 9 ¯ ¹ 7, or if you press ƒ A Ì ƒ B, ...
Parentheses All calculations inside the parentheses, 1+2, and then multiplies the answer, 3, by an open " parenthetical elements are evaluated before negation. Negation To enter a negative number, use the ...; to access specific elements in the expression 4(1+2), EOS first evaluates the portion inside a pair of an expression and preceding the ! (store) or display conversion instructions. Implied Multiplication The TI.82 recognizes implied multiplication. For example, it understands 2p, 4 sin 46, 5(1+2), and (2...5)7 as in 9 ¯ ¹ 7, or if you press ƒ A Ì ƒ B, ...
User Manual
Page 46
... syntax errors, especially at and in Appendix B. Diagnosing an Error If the TI.82 detects an error, it evaluates an expression, executes an instruction, plots a graph, or stores a value. Error Conditions The TI.82 detects any errors at the time it displays the error screen. Calculations stop and an error message with a menu displays immediately. Additional information... the user to the Home screen. Error codes and conditions are described in detail in front of the error. 2. Correct the expression. 1-22 Operating the TI.82
... syntax errors, especially at and in Appendix B. Diagnosing an Error If the TI.82 detects an error, it evaluates an expression, executes an instruction, plots a graph, or stores a value. Error Conditions The TI.82 detects any errors at the time it displays the error screen. Calculations stop and an error message with a menu displays immediately. Additional information... the user to the Home screen. Error codes and conditions are described in detail in front of the error. 2. Correct the expression. 1-22 Operating the TI.82
User Manual
Page 59
...;(Degree) ¡(degree) lets you designate angle as radian, regardless of 54¡ and 32', and " is interpreted as 54¡32'30" on the TI.82. 54¡32' is a quote mark used to the cursor location. ANGLE Menu ANGLE 1: ¡ 2: ' 3: r 4: 8DMS 5: R8Pr( 6: R8Pq( 7: ...MODE setting. angle¡ ' (DMS Entry Notation) ' (DMS entry notation) lets you must be a list. The ANGLE menu displays angle indicators and instructions. Degree MODE Radian MODE r (Radians) r (radian) lets you designate angle as degrees, minutes, and seconds. ANGLE Operations To display the ANGLE menu...
...;(Degree) ¡(degree) lets you designate angle as radian, regardless of 54¡ and 32', and " is interpreted as 54¡32'30" on the TI.82. 54¡32' is a quote mark used to the cursor location. ANGLE Menu ANGLE 1: ¡ 2: ' 3: r 4: 8DMS 5: R8Pr( 6: R8Pq( 7: ...MODE setting. angle¡ ' (DMS Entry Notation) ' (DMS entry notation) lets you must be a list. The ANGLE menu displays angle indicators and instructions. Degree MODE Radian MODE r (Radians) r (radian) lets you designate angle as degrees, minutes, and seconds. ANGLE Operations To display the ANGLE menu...
User Manual
Page 68
... cursor location. 4. Press ¿. 3. For example, if Y1=.2X3-2X+6: 3-6 Function Graphing "expression"!Yn When the instruction is executed, the TI.82 stores the expression to complete the instruction. Move the cursor to the function in the Y= list you enter it. You can the calculate the value of a Y= function at a specified value of the ten user...
... cursor location. 4. Press ¿. 3. For example, if Y1=.2X3-2X+6: 3-6 Function Graphing "expression"!Yn When the instruction is executed, the TI.82 stores the expression to complete the instruction. Move the cursor to the function in the Y= list you enter it. You can the calculate the value of a Y= function at a specified value of the ten user...
User Manual
Page 227
Appendix A: Tables This appendix provides a list of all the TI.82 functions that you can use in expressions and all the TI.82 instructions that you can use on the Home screen and in programs. Appendix Contents Table of Functions and Instructions A-2 Menu Map A-22 Table of Variables A-28 Tables A-1
Appendix A: Tables This appendix provides a list of all the TI.82 functions that you can use in expressions and all the TI.82 instructions that you can use on the Home screen and in programs. Appendix Contents Table of Functions and Instructions A-2 Menu Map A-22 Table of Variables A-28 Tables A-1