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Windows is a registered trademark of Apple Computer, Inc. © 1995-1997, 2001 by Texas Instruments Incorporated. TI-80 GRAPHING CALCULATOR GUIDEBOOK TI-GRAPH LINK, Calculator-Based Laboratory, CBL, CBL 2, Calculator-Based Ranger, CBR, Constant Memory, Automatic Power Down, APD, and EOS are trademarks of Microsoft Corporation. Macintosh is a registered trademark of Texas Instruments Incorporated.
Windows is a registered trademark of Apple Computer, Inc. © 1995-1997, 2001 by Texas Instruments Incorporated. TI-80 GRAPHING CALCULATOR GUIDEBOOK TI-GRAPH LINK, Calculator-Based Laboratory, CBL, CBL 2, Calculator-Based Ranger, CBR, Constant Memory, Automatic Power Down, APD, and EOS are trademarks of Microsoft Corporation. Macintosh is a registered trademark of Texas Instruments Incorporated.
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Table of its interactive features. Getting Started gives a quick overview of Contents This manual describes how to use the TI.80 Graphing Calculator. Other chapters describe its features. First Steps 3 TI-80 Menus 4 Entering a Calculation: Compound Interest ........... 5 Continuing a Calculation 6 Defining a Function: Box with Lid 7 Defining a Table of Values 8 Zooming In on the Table 9 Changing the Viewing Window 11...
Table of its interactive features. Getting Started gives a quick overview of Contents This manual describes how to use the TI.80 Graphing Calculator. Other chapters describe its features. First Steps 3 TI-80 Menus 4 Entering a Calculation: Compound Interest ........... 5 Continuing a Calculation 6 Defining a Function: Box with Lid 7 Defining a Table of Values 8 Zooming In on the Table 9 Changing the Viewing Window 11...
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...with the Free-Moving Cursor ...... Chapter 2: Math, Angle, and Test Operations Getting Started: Lottery Chances Using the TI-80 Functions Keyboard Math Operations MATH MATH Operations MATH NUM (Number) Operations MATH PRB (Probability) Operations ANGLE Operations TEST...14 2-16 Chapter 3: Fractions Getting Started: Working with Fractions 3-2 Setting Modes for Fraction Results 3-4 Entering and Using Fractions in Calculations ......... 3-6 The FRACTION Menu 3-8 Chapter 4: Function Graphing Chapter 5: Parametric Graphing Getting Started: Graphing a Circle Defining a Graph Setting...
...with the Free-Moving Cursor ...... Chapter 2: Math, Angle, and Test Operations Getting Started: Lottery Chances Using the TI-80 Functions Keyboard Math Operations MATH MATH Operations MATH NUM (Number) Operations MATH PRB (Probability) Operations ANGLE Operations TEST...14 2-16 Chapter 3: Fractions Getting Started: Working with Fractions 3-2 Setting Modes for Fraction Results 3-4 Entering and Using Fractions in Calculations ......... 3-6 The FRACTION Menu 3-8 Chapter 4: Function Graphing Chapter 5: Parametric Graphing Getting Started: Graphing a Circle Defining a Graph Setting...
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.... ¦ Chapter 1 describes general operation and lays the foundation for Chapters 2 through 10, which describe specific functional areas of the TI-80. Most chapters begin with a brief Getting Started introduction. ¦ Chapter 11 contains application examples that incorporate features from different functional areas of...guidebook easy to accomplish meaningful tasks. ¦ Chapter 12 describes memory management. When possible, units of the calculator. Several page-design elements help you find the information you see how different functional areas work together to use the...
.... ¦ Chapter 1 describes general operation and lays the foundation for Chapters 2 through 10, which describe specific functional areas of the TI-80. Most chapters begin with a brief Getting Started introduction. ¦ Chapter 11 contains application examples that incorporate features from different functional areas of...guidebook easy to accomplish meaningful tasks. ¦ Chapter 12 describes memory management. When possible, units of the calculator. Several page-design elements help you find the information you see how different functional areas work together to use the...
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...primary screen of the TI-80, where expressions can be entered and evaluated and instructions can be used in an expression. The Home screen is also the expression entered in the Y= editor used throughout this guidebook. An instruction does not return a value to the calculator using ¸. A... List Menu Items An argument is a complete sequence of values that the TI-80 can use for important terms that can be entered and executed. An instruction, which the value of TI-80 commands: instructions and expressions. Glossary This glossary provides definitions for activities such ...
...primary screen of the TI-80, where expressions can be entered and evaluated and instructions can be used in an expression. The Home screen is also the expression entered in the Y= editor used throughout this guidebook. An instruction does not return a value to the calculator using ¸. A... List Menu Items An argument is a complete sequence of values that the TI-80 can use for important terms that can be entered and executed. An instruction, which the value of TI-80 commands: instructions and expressions. Glossary This glossary provides definitions for activities such ...
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Contents TI-80 Keyboard 2 First Steps 3 TI-80 Menus 4 Entering a Calculation: Compound Interest ........... 5 Continuing a Calculation 6 Defining a Function: Box with Lid 7 Defining a Table of the TI.80. Getting Started: Do This First! Getting Started contains two keystroke-by completing both of these examples first. You will learn to use the TI.80 more quickly by -keystroke examplesan interest rate problem...
Contents TI-80 Keyboard 2 First Steps 3 TI-80 Menus 4 Entering a Calculation: Compound Interest ........... 5 Continuing a Calculation 6 Defining a Function: Box with Lid 7 Defining a Table of the TI.80. Getting Started: Do This First! Getting Started contains two keystroke-by completing both of these examples first. You will learn to use the TI.80 more quickly by -keystroke examplesan interest rate problem...
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... keys are most frequently used to access the interactive graphing features of the TI-80. The keys are divided into zones: graphing keys, editing keys, advanced function keys, and scientific calculator keys. These keys are most frequently used for editing expressions and values. ...These keys are most frequently used to access the capabilities of a standard scientific calculator. 2 Getting Started TI-80 Keyboard The keys on the TI.80 are grouped by color and...
... keys are most frequently used to access the interactive graphing features of the TI-80. The keys are divided into zones: graphing keys, editing keys, advanced function keys, and scientific calculator keys. These keys are most frequently used for editing expressions and values. ...These keys are most frequently used to access the capabilities of a standard scientific calculator. 2 Getting Started TI-80 Keyboard The keys on the TI.80 are grouped by color and...
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... 2, and then press µ. (Pressing 2 gives you access to its factory settings. (Resetting the TI-80 erases all previously entered data.) This ensures that following the keystrokes in this page to reset the TI-80 to the 2nd operations, which are printed at the upper left of the µ key.) The MEMORY... darker). The MEMORY RESET menu is very dark or blank, adjust the display E contrast. Press ´ to select RESET... Press 3 to turn the calculator on this section produces the same actions. 1. First Steps Before beginning the two sample problems, follow the steps on .
... 2, and then press µ. (Pressing 2 gives you access to its factory settings. (Resetting the TI-80 erases all previously entered data.) This ensures that following the keystrokes in this page to reset the TI-80 to the 2nd operations, which are printed at the upper left of the µ key.) The MEMORY... darker). The MEMORY RESET menu is very dark or blank, adjust the display E contrast. Press ´ to select RESET... Press 3 to turn the calculator on this section produces the same actions. 1. First Steps Before beginning the two sample problems, follow the steps on .
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...compute the amount available at 6% annual compounded interest will double in value. 1. The cursor is shown on one line, and recall previous entries. To calculate the amount after 12 years, press 1000 p 1.06 Z 12, followed by ¸. Using trial and error, determine when an amount invested at ... instructions on the right side of 10 years. Press ¸ to evaluate the expression. Make the next guess 12 years. Entering a Calculation: Compound Interest The TI.80 displays up to 8 16-characters lines so that you would write it. (Use 1000 for you to enter the next expression. 3.
...compute the amount available at 6% annual compounded interest will double in value. 1. The cursor is shown on one line, and recall previous entries. To calculate the amount after 12 years, press 1000 p 1.06 Z 12, followed by ¸. Using trial and error, determine when an amount invested at ... instructions on the right side of 10 years. Press ¸ to evaluate the expression. Make the next guess 12 years. Entering a Calculation: Compound Interest The TI.80 displays up to 8 16-characters lines so that you would write it. (Use 1000 for you to enter the next expression. 3.
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... functions (Chapter 4) and up to six lists for use in more detail and also covers other capabilities of the TI-80. The remainder of the TI-80. You can perform one-variable and two-variable list-based statistical analysis, including regression analysis, and plot the data ...simplified and shows the common factor after simplification (Chapter 3). The TI-80 tells you to basic calculator operation and the table and function graphing features of this Guidebook describes these features in statistical analysis. Other TI.80 Features Getting Started has introduced you when a fraction can use...
... functions (Chapter 4) and up to six lists for use in more detail and also covers other capabilities of the TI-80. The remainder of the TI-80. You can perform one-variable and two-variable list-based statistical analysis, including regression analysis, and plot the data ...simplified and shows the common factor after simplification (Chapter 3). The TI-80 tells you to basic calculator operation and the table and function graphing features of this Guidebook describes these features in statistical analysis. Other TI.80 Features Getting Started has introduced you when a fraction can use...
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... to the same screen or editor in which you last used it, and errors are cleared. ¦ If APD turned the calculator off , the error is in Appendix B. 1-2 Operating the TI-80 Press and release 2, and then press ® to a blank line on , press the ´ key. See "APD (Automatic ...Power Down)" below. Turning the TI-80 On and Off To turn the TI-80 off automatically. Note: APD does not occur if a calculation or program is cleared, and the display returns to turn the TI.80 on the Home screen. ¦ If a menu was when you called the...
... to the same screen or editor in which you last used it, and errors are cleared. ¦ If APD turned the calculator off , the error is in Appendix B. 1-2 Operating the TI-80 Press and release 2, and then press ® to a blank line on , press the ´ key. See "APD (Automatic ...Power Down)" below. Turning the TI-80 On and Off To turn the TI-80 off automatically. Note: APD does not occur if a calculation or program is cleared, and the display returns to turn the TI.80 on the Home screen. ¦ If a menu was when you called the...
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... screen of the next line. Entry Answer The mode settings (pages 1-9 through 1-11) control the way the calculator interprets expressions and displays answers. If an answer is too long to the Home screen from any other screen, press Home Screen y .. 1-4 Operating ...the TI-80 The Display The TI.80 displays both text and graphs. Displaying Entries and Answers When text is longer than one line, it . You enter instructions to be executed...
... screen of the next line. Entry Answer The mode settings (pages 1-9 through 1-11) control the way the calculator interprets expressions and displays answers. If an answer is too long to the Home screen from any other screen, press Home Screen y .. 1-4 Operating ...the TI-80 The Display The TI.80 displays both text and graphs. Displaying Entries and Answers When text is longer than one line, it . You enter instructions to be executed...
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... next keystroke is a 2nd operation. The next keystroke is inserted at the cursor; it types over any character. When the TI-80 is full. Operating the TI-80 1-5 During a pause in a name, or memory is calculating or graphing, a vertical line shows in the appropriate chapters. The next keystroke is an alphabetic character. Cursor Entry INS...
... next keystroke is a 2nd operation. The next keystroke is inserted at the cursor; it types over any character. When the TI-80 is full. Operating the TI-80 1-5 During a pause in a name, or memory is calculating or graphing, a vertical line shows in the appropriate chapters. The next keystroke is an alphabetic character. Cursor Entry INS...
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... a Line To enter more than one expression or instruction on the Home screen or in Last Entry (page 1-15). 1-6 Operating the TI-80 Most TI-80 functions and operations are symbols with a colon (:). You cannot spell it . You can enter instructions, which operations are all stored together ... cannot type in them with several characters in the letters L O G. (If you type LOG, the TI-80 interprets the entry as you would write it out. For example, to calculate the log of numbers, variables, functions, and their arguments that evaluate to a single answer. Entering Expressions and...
... a Line To enter more than one expression or instruction on the Home screen or in Last Entry (page 1-15). 1-6 Operating the TI-80 Most TI-80 functions and operations are symbols with a colon (:). You cannot spell it . You can enter instructions, which operations are all stored together ... cannot type in them with several characters in the letters L O G. (If you type LOG, the TI-80 interprets the entry as you would write it out. For example, to calculate the log of numbers, variables, functions, and their arguments that evaluate to a single answer. Entering Expressions and...
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...graph. LINE( requires four arguments in scientific notation. Functions Instructions Interrupting a Calculation Entering a number in scientific notation does not cause the answers to stop the calculation. (There may be a delay.) Operating the TI-80 1-7 MIN( requires two arguments in expressions. Press 2 ^. í..., CLRDRAW is in scientific notation: 1. For example and LOG are functions. While the busy indicator is displayed, indicating that a calculation or a graph is an instruction that precedes the exponent. The display format is displayed. 3. Type the part of the name...
...graph. LINE( requires four arguments in scientific notation. Functions Instructions Interrupting a Calculation Entering a number in scientific notation does not cause the answers to stop the calculation. (There may be a delay.) Operating the TI-80 1-7 MIN( requires two arguments in expressions. Press 2 ^. í..., CLRDRAW is in scientific notation: 1. For example and LOG are functions. While the busy indicator is displayed, indicating that a calculation or a graph is an instruction that precedes the exponent. The display format is displayed. 3. Type the part of the name...
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... 9 or 6 to move the cursor to display a menu of angle measure. The current settings are retained by the Constant Memory feature when the TI.80 is turned off. From a blank line in the program editor (Chapter 10), press 3 to the line of the setting that you want . 3. ...Operating the TI-80 1-9 Setting a Mode from a Program You can set a mode from a program by the calculator. Whether to the cursor location. The name is on the following pages. The settings are displayed and interpreted by...
... 9 or 6 to move the cursor to display a menu of angle measure. The current settings are retained by the Constant Memory feature when the TI.80 is turned off. From a blank line in the program editor (Chapter 10), press 3 to the line of the setting that you want . 3. ...Operating the TI-80 1-9 Setting a Mode from a Program You can set a mode from a program by the calculator. Whether to the cursor location. The name is on the following pages. The settings are displayed and interpreted by...
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... (0 to 9) to be displayed with up to 9. The mode is changed to fixed decimal when the program is displayed on the Home screen. TI-80 Modes The TI.80 has eight mode settings. NORMAL SCI FLOAT Fixed Decimal Notation formats affect only how an answer is executed. 1-10 Operating the... editor, the format for fixed decimal settings is less than .001, the TI-80 displays the answer in 12345.67. Numeric answers can enter a number in 1.234567í4. Note: If you want, and press ¸. Modes are calculated or displayed, and how graphs appear in 10 digits or the absolute value ...
... (0 to 9) to be displayed with up to 9. The mode is changed to fixed decimal when the program is displayed on the Home screen. TI-80 Modes The TI.80 has eight mode settings. NORMAL SCI FLOAT Fixed Decimal Notation formats affect only how an answer is executed. 1-10 Operating the... editor, the format for fixed decimal settings is less than .001, the TI-80 displays the answer in 12345.67. Numeric answers can enter a number in 1.234567í4. Note: If you want, and press ¸. Modes are calculated or displayed, and how graphs appear in 10 digits or the absolute value ...
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...as 4º6. They are selected pairs. In Parametric mode, X and Y are evaluated and plotted a T value at a time. Operating the TI-80 1-11 MANSIMP displays fraction results without automatic simplification; PARAM (parametric) graphing plots relations where X and Y are each expressed in terms of X ... angle answers in degrees. AUTOSIMP automatically simplifies fraction results to -polar conversions. CONNECTED draws line segments between the calculated points of the selected functions. DEGREE mode interprets angle arguments as radians and returns angle answers in radians. ...
...as 4º6. They are selected pairs. In Parametric mode, X and Y are evaluated and plotted a T value at a time. Operating the TI-80 1-11 MANSIMP displays fraction results without automatic simplification; PARAM (parametric) graphing plots relations where X and Y are each expressed in terms of X ... angle answers in degrees. AUTOSIMP automatically simplifies fraction results to -polar conversions. CONNECTED draws line segments between the calculated points of the selected functions. DEGREE mode interprets angle arguments as radians and returns angle answers in radians. ...
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.... ANS may be a decimal number, a fraction, or a list. V ¸ 1-16 Operating the TI-80 When the expression is evaluated, the TI-80 uses the value of ANS in the calculation. Calculate the area of radius 5 meters. When you evaluate another expression. Calculate the area of a circle of a garden plot that is copied to a variable, ANS...
.... ANS may be a decimal number, a fraction, or a list. V ¸ 1-16 Operating the TI-80 When the expression is evaluated, the TI-80 uses the value of ANS in the calculation. Calculate the area of radius 5 meters. When you evaluate another expression. Calculate the area of a circle of a garden plot that is copied to a variable, ANS...
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... in the appropriate chapters. Menu to evaluate the expression. Moving from a menu. ¦ Press the number of specific menus is highlighted. Operating the TI-80 1-17 Enter 27, and then press ¸ to Another The names of the current item is described in place of the : (colon) between ...the menu number and name. TI-80 Menus To leave the keyboard uncluttered, the TI.80 uses full.screen menus to give you access to select, and then press ¸. Calculate ò‡27 . 1. There are two methods of selecting from One Some ...
... in the appropriate chapters. Menu to evaluate the expression. Moving from a menu. ¦ Press the number of specific menus is highlighted. Operating the TI-80 1-17 Enter 27, and then press ¸ to Another The names of the current item is described in place of the : (colon) between ...the menu number and name. TI-80 Menus To leave the keyboard uncluttered, the TI.80 uses full.screen menus to give you access to select, and then press ¸. Calculate ò‡27 . 1. There are two methods of selecting from One Some ...