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...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 Coefficients 14-10 The Unit Circle and Trigonometric Curves 14-11 Ferris ... Chapter 15: Memory Management Checking Available Memory 15-2 Deleting 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...
...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 Coefficients 14-10 The Unit Circle and Trigonometric Curves 14-11 Ferris ... Chapter 15: Memory Management Checking Available Memory 15-2 Deleting 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...
User Manual
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... on them. (Chapter 10) Lists You can show simultaneously the graph screen and a related editor, such as histograms, points, x-y lines, or box-and-whisker plots. Programming You can enter and save programs that include extensive control and input/output instructions. (Chapter 13)... guidebook describes these features in statistical analysis. Other Features Getting Started introduced you to basic calculator operation and the table and function graphing features of the TI.82. Graphing You can perform one-variable and two-variable list-based statistical analysis, including median-median line...
... on them. (Chapter 10) Lists You can show simultaneously the graph screen and a related editor, such as histograms, points, x-y lines, or box-and-whisker plots. Programming You can enter and save programs that include extensive control and input/output instructions. (Chapter 13)... guidebook describes these features in statistical analysis. Other Features Getting Started introduced you to basic calculator operation and the table and function graphing features of the TI.82. Graphing You can perform one-variable and two-variable list-based statistical analysis, including median-median line...
User Manual
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...an expression scrolls to the left or right. Graphics are shown at the left and right. 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 all of it wraps to the beginning of up to display ...answer and view all lines of the display. The TI.82 also can have up to the Home screen from any other screen, press y ãQUITä. 1-4 Operating the TI.82 If an expression on the Home screen, the Y= editor (Chapter 3), or the program editor (Chapter 13) is displayed on the Home screen...
...an expression scrolls to the left or right. Graphics are shown at the left and right. 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 all of it wraps to the beginning of up to display ...answer and view all lines of the display. The TI.82 also can have up to the Home screen from any other screen, press y ãQUITä. 1-4 Operating the TI.82 If an expression on the Home screen, the Y= editor (Chapter 3), or the program editor (Chapter 13) is displayed on the Home screen...
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If you pause a graph or a program, the busy indicator is a dotted bar.) Operating the TI.82 1-5 If you press the next key. Checkerboard rectangle You have different cursors, which are described in the upper right of the cursor ...# cursor. Cursor Entry INS (insert) 2nd ALPHA "full" Appearance Meaning Solid blinking rectangle The next keystroke is an alphabetic character. Busy Indicator When the TI.82 is calculating or graphing, a moving vertical bar shows in the appropriate chapter. Display Cursors In most cases, the appearance of the display as the MODE screen or...
If you pause a graph or a program, the busy indicator is a dotted bar.) Operating the TI.82 1-5 If you press the next key. Checkerboard rectangle You have different cursors, which are described in the upper right of the cursor ...# cursor. Cursor Entry INS (insert) 2nd ALPHA "full" Appearance Meaning Solid blinking rectangle The next keystroke is an alphabetic character. Busy Indicator When the TI.82 is calculating or graphing, a moving vertical bar shows in the appropriate chapter. Display Cursors In most cases, the appearance of the display as the MODE screen or...
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...arguments that it out. On the TI.82, you can be used on the Home screen to calculate an answer. Expressions can enter expressions, which initiate an action, on a line, separate them . For example, to calculate the log of the variables L, O, and G.) Calculate 3.76 ÷ (-7.9 + ...8225;5) + 2 log 45. 3.76 ¥ £ Ì 7.9 à y ã‡ä 5 ¤ à 2 « 45 Í Multiple Entries on a Line To enter more than one expression or instruction on the Home screen or in them with several characters in the program...
...arguments that it out. On the TI.82, you can be used on the Home screen to calculate an answer. Expressions can enter expressions, which initiate an action, on a line, separate them . For example, to calculate the log of the variables L, O, and G.) Calculate 3.76 ÷ (-7.9 + ...8225;5) + 2 log 45. 3.76 ¥ £ Ì 7.9 à y ã‡ä 5 ¤ à 2 « 45 Í Multiple Entries on a Line To enter more than one expression or instruction on the Home screen or in them with several characters in the program...
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...to plot simultaneously Full or split screen Changing MODE Settings 1. From a blank line, select the name from a program by Constant Memoryé when the TI.82 is Fix n. Operating the TI.82 1-9 The current settings are displayed and interpreted. Use † or } to move the cursor to the setting... can set a MODE from the interactive MODE selection screen in the program editor (Chapter 13); Checking MODE Settings Press z to the current MODE settings. Setting Modes Modes control how numbers and graphs are highlighted. All numbers, including elements of the MODE as an instruction; ...
...to plot simultaneously Full or split screen Changing MODE Settings 1. From a blank line, select the name from a program by Constant Memoryé when the TI.82 is Fix n. Operating the TI.82 1-9 The current settings are displayed and interpreted. Use † or } to move the cursor to the setting... can set a MODE from the interactive MODE selection screen in the program editor (Chapter 13); Checking MODE Settings Press z to the current MODE settings. Setting Modes Modes control how numbers and graphs are highlighted. All numbers, including elements of the MODE as an instruction; ...
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... 6) from the Home screen or from the program editor (Chapter 13). Graph databases and pictures are entered and edited from a program. Variable type Real numbers Matrices Lists Functions Parametric equations Polar functions Sequence functions Stat plots Graph databases Graph pictures System variables Names A, B, . . ... . , Pic6 Xmin, Xmax, and others Programs have user-defined names also and share memory with variables. Programs are stored and recalled using instructions from editors. Variables and Defined Items The TI.82 uses preassigned names for variables and other items ...
... 6) from the Home screen or from the program editor (Chapter 13). Graph databases and pictures are entered and edited from a program. Variable type Real numbers Matrices Lists Functions Parametric equations Polar functions Sequence functions Stat plots Graph databases Graph pictures System variables Names A, B, . . ... . , Pic6 Xmin, Xmax, and others Programs have user-defined names also and share memory with variables. Programs are stored and recalled using instructions from editors. Variables and Defined Items The TI.82 uses preassigned names for variables and other items ...
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... to the cursor location. 3. Press ƒ, then the letter of the program (in the variable. You can store a value to a variable from memory using the ¿ key. Storing Values in memory. Operating the TI.82 1-13 When an expression containing the name of a variable is evaluated. To... recalling a value, press '. Press Í. Storing and Recalling Variable Values Values are stored to and recalled from the Home screen or a program using variable names. The symbol ! Displaying a Variable Value To display the value of the variable at that you want to store (which you...
... to the cursor location. 3. Press ƒ, then the letter of the program (in the variable. You can store a value to a variable from memory using the ¿ key. Storing Values in memory. Operating the TI.82 1-13 When an expression containing the name of a variable is evaluated. To... recalling a value, press '. Press Í. Storing and Recalling Variable Values Values are stored to and recalled from the Home screen or a program using variable names. The symbol ! Displaying a Variable Value To display the value of the variable at that you want to store (which you...
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... is pressed, you can recall Last Entry and edit it replaces what you have begun entering the next expression. Press y ãENTRYä. In the program editor, the Last Entry is as accurate as your first guess. 8 ¿ ƒ R y ã:ä y ãpä ƒ R ¡ Í y ãENTRY...screen to evaluate an expression or execute an instruction, the expression or instruction is positioned at the cursor location. When you turn the TI.82 off, Last Entry is retained in Last Entry (page 1.14). If the previous entry contained more than one expression or instruction on...
... is pressed, you can recall Last Entry and edit it replaces what you have begun entering the next expression. Press y ãENTRYä. In the program editor, the Last Entry is as accurate as your first guess. 8 ¿ ƒ R y ã:ä y ãpä ƒ R ¡ Í y ãENTRY...screen to evaluate an expression or execute an instruction, the expression or instruction is positioned at the cursor location. When you turn the TI.82 off, Last Entry is retained in Last Entry (page 1.14). If the previous entry contained more than one expression or instruction on...
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...last answer in most places. Last Answer When an expression is evaluated successfully from the Home screen or from a program, the TI.82 stores the answer to a variable before you turn the TI.82 off, the value in Ans is retained in memory. Using Ans in an Expression You can use the variable...in Ans as the first entry in the variable V. Ans may be a real number, a list, or a matrix. When you evaluate another expression. Calculate the area of a circle of radius 5 meters and height 3.3 meters and store in the next expression without entering the value again or pressing y ãANS...
...last answer in most places. Last Answer When an expression is evaluated successfully from the Home screen or from a program, the TI.82 stores the answer to a variable before you turn the TI.82 off, the value in Ans is retained in memory. Using Ans in an Expression You can use the variable...in Ans as the first entry in the variable V. Ans may be a real number, a list, or a matrix. When you evaluate another expression. Calculate the area of a circle of radius 5 meters and height 3.3 meters and store in the next expression without entering the value again or pressing y ãANS...
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... in an expression or to store to the menu you select/deselect functions Accessing a Name from a program or the Home screen. VARS Menu The VARS menu accesses the names of variables such as TblMin. ...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 access the names of GDBn variables 4: Picture... Press or y ãY-VARSä. Operating the TI.82 1-19 VARS and Y-VARS Menus Occasionally you may want , if necessary. ¦ In Y-VARS, a single ...
... in an expression or to store to the menu you select/deselect functions Accessing a Name from a program or the Home screen. VARS Menu The VARS menu accesses the names of variables such as TblMin. ...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 access the names of GDBn variables 4: Picture... Press or y ãY-VARSä. Operating the TI.82 1-19 VARS and Y-VARS Menus Occasionally you may want , if necessary. ¦ In Y-VARS, a single ...
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... Y= editor, not the program. ¦ If you select Quit or press y ãQUITä or ', you select Goto, the cursor is 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. Additional information about the error message. 4. Calculations stop and an...
... Y= editor, not the program. ¦ If you select Quit or press y ãQUITä or ', you select Goto, the cursor is 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. Additional information about the error message. 4. Calculations stop and an...
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... and dimension. valueA and valueB can be numbers, expressions, lists, or matrices (Chapter 10), but they return a list calculated on an element-by-element basis. valueA=valueB Using Tests Relational operators are valid for lists; Math, Angle, and Test ...over specific values. The TI.82 first performs the relational test because it is in graphing to the cursor location. These functions are evaluated after mathematical functions according to 5. ¦ The expression 2+(2=2)+3 returns 6. Relational operators are often used in programs to control program flow and in parentheses,...
... and dimension. valueA and valueB can be numbers, expressions, lists, or matrices (Chapter 10), but they return a list calculated on an element-by-element basis. valueA=valueB Using Tests Relational operators are valid for lists; Math, Angle, and Test ...over specific values. The TI.82 first performs the relational test because it is in graphing to the cursor location. These functions are evaluated after mathematical functions according to 5. ¦ The expression 2+(2=2)+3 returns 6. Relational operators are often used in programs to control program flow and in parentheses,...
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... those chapters. Differences in parametric graphing (Chapter 4), polar graphing (Chapter 5), and sequence graphing (Chapter 6) are described in the program editor. Radian or Degree MODE may set the graphing mode and other modes from a program. Use †, }, ~, and | to place the cursor on the TI.82 are described in function graphing must select Func (function graphing). The current settings are plotted...
... those chapters. Differences in parametric graphing (Chapter 4), polar graphing (Chapter 5), and sequence graphing (Chapter 6) are described in the program editor. Radian or Degree MODE may set the graphing mode and other modes from a program. Use †, }, ~, and | to place the cursor on the TI.82 are described in function graphing must select Func (function graphing). The current settings are plotted...
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...a blank line. "expression"!Yn When the instruction is executed, the TI.82 stores the expression to change. 2. For example, if Y1=.2X3-2X+6: 3-6 Function Graphing Editing a Function 1. Defining Functions from the Home Screen or a Program 1. Press ¿. 3. The expression is copied to the cursor ...location. 4. Begin on the function, and then press '. Move the cursor to the function in the Y= list you enter it. Press Í to erase the expression and then enter a new expression. You can the calculate...
...a blank line. "expression"!Yn When the instruction is executed, the TI.82 stores the expression to change. 2. For example, if Y1=.2X3-2X+6: 3-6 Function Graphing Editing a Function 1. Defining Functions from the Home Screen or a Program 1. Press ¿. 3. The expression is copied to the cursor ...location. 4. Begin on the function, and then press '. Move the cursor to the function in the Y= list you enter it. Press Í to erase the expression and then enter a new expression. You can the calculate...
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...to which you want to store (which case Xmax and Ymax are calculated from Xmin, Xmax, Ymin, and Ymax when a graph is executed, the TI.82 stores the value in which can be an expression). 2. Press ...Í to display the VARS menu. 4. When the instruction is displayed. Press to complete the instruction. they are accessible through the VARS Window menu. @X and @Y are calculated from the Home Screen or a Program Begin on a graph (graphing accuracy). @X = (Xmax - Function Graphing...
...to which you want to store (which case Xmax and Ymax are calculated from Xmin, Xmax, Ymin, and Ymax when a graph is executed, the TI.82 stores the value in which can be an expression). 2. Press ...Í to display the VARS menu. 4. When the instruction is displayed. Press to complete the instruction. they are accessible through the VARS Window menu. @X and @Y are calculated from the Home Screen or a Program Begin on a graph (graphing accuracy). @X = (Xmax - Function Graphing...
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...Home screen, you press s, the TI.82 plots the selected parametric equations. Parametric Graphing 4-5 Setting the WINDOW FORMAT Press p ~ to parametric graphs. The formats are shared with the other graphing modes. As a graph is plotted, the TI.82 updates X, Y, and T. It ...evaluates both the X and the Y component for each value of T (from Tmin to Tmax in intervals of Tstep) and then plots each point defined by using the name of the component of the equation as a variable. ¦ Select or deselect parametric equations from a program...
...Home screen, you press s, the TI.82 plots the selected parametric equations. Parametric Graphing 4-5 Setting the WINDOW FORMAT Press p ~ to parametric graphs. The formats are shared with the other graphing modes. As a graph is plotted, the TI.82 updates X, Y, and T. It ...evaluates both the X and the Y component for each value of T (from Tmin to Tmax in intervals of Tstep) and then plots each point defined by using the name of the component of the equation as a variable. ¦ Select or deselect parametric equations from a program...
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...the free-moving cursor displays X and Y coordinate values if the WINDOW FORMAT setting is plotted, the TI.82 updates X, Y, R, and q. To see R and q, select PolarGC WINDOW FORMAT. Displaying a Graph When you can: ¦ Access functions by using the name of the equation as a variable. ... Select or deselect polar equations from qmin to qmax in intervals of q (from a program. ¦ Store polar equations. ¦ Store values directly to polar graphs. Smart Graph applies to WINDOW variables. Polar Graphing 5-5 It evaluates R for each value of qstep) and then plots each point. WINDOW...
...the free-moving cursor displays X and Y coordinate values if the WINDOW FORMAT setting is plotted, the TI.82 updates X, Y, R, and q. To see R and q, select PolarGC WINDOW FORMAT. Displaying a Graph When you can: ¦ Access functions by using the name of the equation as a variable. ... Select or deselect polar equations from qmin to qmax in intervals of q (from a program. ¦ Store polar equations. ¦ Store values directly to polar graphs. Smart Graph applies to WINDOW variables. Polar Graphing 5-5 It evaluates R for each value of qstep) and then plots each point. WINDOW...
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Chapter Contents Getting Started: Family of Curves 13-2 About TI.82 Programs 13-4 Creating and Executing Programs 13-5 Editing Programs 13-6 PRGM CTL (Control) Instructions 13-7 PRGM I/O (Input/Output) Instructions 13-13 Calling Other Programs 13-18 Programming 13-1 Chapter 13: Programming This chapter describes specific programming instructions and how to enter and execute programs on the TI.82.
Chapter Contents Getting Started: Family of Curves 13-2 About TI.82 Programs 13-4 Creating and Executing Programs 13-5 Editing Programs 13-6 PRGM CTL (Control) Instructions 13-7 PRGM I/O (Input/Output) Instructions 13-13 Calling Other Programs 13-18 Programming 13-1 Chapter 13: Programming This chapter describes specific programming instructions and how to enter and execute programs on the TI.82.
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... updated, just as it would be if the calculations were done on the Check RAM... The TI.82 checks for errors when the program is limited only by names, up to eight characters, beginning with a : (colon). About TI-82 Programs Most features of the TI.82 are accessible from programs. Programs can access all programs. Storing a new value to a variable, list, or...
... updated, just as it would be if the calculations were done on the Check RAM... The TI.82 checks for errors when the program is limited only by names, up to eight characters, beginning with a : (colon). About TI-82 Programs Most features of the TI.82 are accessible from programs. Programs can access all programs. Storing a new value to a variable, list, or...