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... and Tracing the Graph 12 Zooming In on operating the TI.80. Using this Guidebook Effectively viii Glossary xii Getting Started: TI-80 Keyboard 2 Do This First! The first chapter gives general instructions on the Graph 13 Other TI-80 Features 14 Chapter 1: Operating the TI-80 Turning the TI-80 On and Off Setting the Display Contrast The Display Entering...
... and Tracing the Graph 12 Zooming In on operating the TI.80. Using this Guidebook Effectively viii Glossary xii Getting Started: TI-80 Keyboard 2 Do This First! The first chapter gives general instructions on the Graph 13 Other TI-80 Features 14 Chapter 1: Operating the TI-80 Turning the TI-80 On and Off Setting the Display Contrast The Display Entering...
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Chapter 10: Programming Chapter 11: Applications Chapter 12: Memory Management Getting Started: Rolling a Die 10-2 About TI-80 Programs 10-4 Creating and Executing Programs 10-5 Editing Programs 10-6 PRGM CTL (Control) Instructions 10-7 PRGM I/O (Input/Output) Instructions 10-11 Calling Other Programs 10-14 Probability Experiments: Coins, Dice, and Spinners ... 11-2 The Unit ...Graphing Inequalities 11-14 Graphing a Polar Equation 11-15 Program: Guess the Coefficients 11-16 Checking Available Memory Deleting Items from Memory Resetting the TI-80 12-2 12-3 12-4 vi Introduction
Chapter 10: Programming Chapter 11: Applications Chapter 12: Memory Management Getting Started: Rolling a Die 10-2 About TI-80 Programs 10-4 Creating and Executing Programs 10-5 Editing Programs 10-6 PRGM CTL (Control) Instructions 10-7 PRGM I/O (Input/Output) Instructions 10-11 Calling Other Programs 10-14 Probability Experiments: Coins, Dice, and Spinners ... 11-2 The Unit ...Graphing Inequalities 11-14 Graphing a Polar Equation 11-15 Program: Guess the Coefficients 11-16 Checking Available Memory Deleting Items from Memory Resetting the TI-80 12-2 12-3 12-4 vi Introduction
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Appendix A: Tables and Reference Information Appendix B: Service and Warranty Information Index Table of TI-80 Functions and Instructions A-2 Menu Map A-20 TI-80 Variables A-26 Battery Information Accuracy Information In Case of Difficulty Service and Support Information Warranty Information B-2 B-8 B-10 B-14 B-15 Introduction vii
Appendix A: Tables and Reference Information Appendix B: Service and Warranty Information Index Table of TI-80 Functions and Instructions A-2 Menu Map A-20 TI-80 Variables A-26 Battery Information Accuracy Information In Case of Difficulty Service and Support Information Warranty Information B-2 B-8 B-10 B-14 B-15 Introduction vii
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...be entered and executed. Menu items are not valid in expressions. Argument Command Expression Function Home Screen Instruction List Menu Items An argument is a set of the TI-80, where expressions can be evaluated to ANS. A list is an input upon which may have ...arguments, initiates an action. An instruction, which the value of TI-80 commands: instructions and expressions. Introduction xi Glossary This glossary provides definitions for activities such as evaluating a function at multiple values and...
...be entered and executed. Menu items are not valid in expressions. Argument Command Expression Function Home Screen Instruction List Menu Items An argument is a set of the TI-80, where expressions can be evaluated to ANS. A list is an input upon which may have ...arguments, initiates an action. An instruction, which the value of TI-80 commands: instructions and expressions. Introduction xi Glossary This glossary provides definitions for activities such as evaluating a function at multiple values and...
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The cursor is shown on the right side of 10 years. Press ¸ to variables, enter multiple instructions on the next line, ready for the amount.) Press 1000 p 1.06 Z 10. 2. For the first guess, compute the amount available at 6% annual compounded interest will .... 1. Make the next guess 12 years. To calculate the amount after 12 years, press 1000 p 1.06 Z 12, followed by ¸. 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. Using trial and error...
The cursor is shown on the right side of 10 years. Press ¸ to variables, enter multiple instructions on the next line, ready for the amount.) Press 1000 p 1.06 Z 10. 2. For the first guess, compute the amount available at 6% annual compounded interest will .... 1. Make the next guess 12 years. To calculate the amount after 12 years, press 1000 p 1.06 Z 12, followed by ¸. 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. Using trial and error...
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... |, }, ~, and † to display the ZOOM menu. It has been adjusted in both the X and Y directions by factors of TI-80 menus. Getting Started 13 To select an item, you may press † until the item number is displayed again. The cursor has changed to...value on the Graph You can magnify the viewing window around a specific location using a Zoom instruction. 3. Press p to help identify maximums, minimums, roots, and intersections of the item, or you are using the Zoom instructions to display the new window variable values. The new viewing window is typical of 4, the...
... |, }, ~, and † to display the ZOOM menu. It has been adjusted in both the X and Y directions by factors of TI-80 menus. Getting Started 13 To select an item, you may press † until the item number is displayed again. The cursor has changed to...value on the Graph You can magnify the viewing window around a specific location using a Zoom instruction. 3. Press p to help identify maximums, minimums, roots, and intersections of the item, or you are using the Zoom instructions to display the new window variable values. The new viewing window is typical of 4, the...
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...You can convert between fractions and their decimal equivalents. You can define and save programs that include extensive control and input/output instructions (Chapter 10) 14 Getting Started You can create function evaluation tables to six lists for use in more detail and also... statistical analysis, including regression analysis, and plot the data as histograms, points, x-y lines, or box-and-whisker plots. The TI-80 tells you can enter and save up to evaluate expressions at multiple values simultaneously (Chapter 8). Fractions Graphing Tables Lists Statistics Programming You...
...You can convert between fractions and their decimal equivalents. You can define and save programs that include extensive control and input/output instructions (Chapter 10) 14 Getting Started You can create function evaluation tables to six lists for use in more detail and also... statistical analysis, including regression analysis, and plot the data as histograms, points, x-y lines, or box-and-whisker plots. The TI-80 tells you can enter and save up to evaluate expressions at multiple values simultaneously (Chapter 8). Fractions Graphing Tables Lists Statistics Programming You...
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Chapter 1: Operating the TI-80 This chapter describes the TI.80 and provides general information about its operation. Chapter Contents Turning the TI.80 On and Off Setting the Display Contrast The Display Entering Expressions and Instructions The Edit Keys Setting Modes TI.80 Modes Variable Names Storing and Recalling Variable Values Last Entry Last Answer TI.80 Menus The VARS and Y.VARS Menus EOS (Equation Operating System Error Conditions 1-2 1-3 1-4 1-6 1-8 1-9 1-10 1-12 1-13 1-14 1-16 1-17 1-19 1-20 1-22 Operating the TI-80 1-1
Chapter 1: Operating the TI-80 This chapter describes the TI.80 and provides general information about its operation. Chapter Contents Turning the TI.80 On and Off Setting the Display Contrast The Display Entering Expressions and Instructions The Edit Keys Setting Modes TI.80 Modes Variable Names Storing and Recalling Variable Values Last Entry Last Answer TI.80 Menus The VARS and Y.VARS Menus EOS (Equation Operating System Error Conditions 1-2 1-3 1-4 1-6 1-8 1-9 1-10 1-12 1-13 1-14 1-16 1-17 1-19 1-20 1-22 Operating the TI-80 1-1
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... press and hold 7 until the display reappears. As you change the batteries. When to suit your viewing angle and lighting conditions. Operating the TI-80 1-3 Refer to Appendix B for instructions on room lighting, battery freshness, viewing angle, and the adjustment of two keys: ¦ To increase the contrast (darken the screen), press and...
... press and hold 7 until the display reappears. As you change the batteries. When to suit your viewing angle and lighting conditions. Operating the TI-80 1-3 Refer to Appendix B for instructions on room lighting, battery freshness, viewing angle, and the adjustment of two keys: ¦ To increase the contrast (darken the screen), press and...
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.... If an answer is too long to the Home screen from any other screen, press Home Screen y .. 1-4 Operating the TI-80 You enter instructions to be displayed in Chapters 4 and 5. The Display The TI.80 displays both text and graphs. Graphs are filled, text "scrolls" off the top of the next line. ¦ On numeric... editors such as the Window screen (Chapter 4), an expression scrolls to be evaluated, and see the results on the right side of the TI-80 is displayed on the Home screen. When an entry is executed on the Home screen, the answer is the Home screen.
.... If an answer is too long to the Home screen from any other screen, press Home Screen y .. 1-4 Operating the TI-80 You enter instructions to be displayed in Chapters 4 and 5. The Display The TI.80 displays both text and graphs. Graphs are filled, text "scrolls" off the top of the next line. ¦ On numeric... editors such as the Window screen (Chapter 4), an expression scrolls to be evaluated, and see the results on the right side of the TI-80 is displayed on the Home screen. When an entry is executed on the Home screen, the answer is the Home screen.
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...ñ is a complete sequence of the cursor location. The entire expression is evaluated according to a single answer. You can enter instructions, which operations are all stored together in them with several characters in Last Entry (page 1-15). 1-6 Operating the TI-80 Most TI-80 functions and operations are symbols with a colon (:). An expression is displayed.
...ñ is a complete sequence of the cursor location. The entire expression is evaluated according to a single answer. You can enter instructions, which operations are all stored together in them with several characters in Last Entry (page 1-15). 1-6 Operating the TI-80 Most TI-80 functions and operations are symbols with a colon (:). An expression is displayed.
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...a value. Instructions cannot be a delay.) Operating the TI-80 1-7 While the busy indicator is displayed, indicating that a calculation or a graph is an instruction that precedes the exponent. Entering a Number in Scientific Notation To enter a number in expressions. Type the part of the name. Functions Instructions Interrupting a ... format is determined by a ( at the end of the number that clears any drawn elements from a graph. Some instructions take more than one argument, which can press ´ to be displayed in scientific notation does not cause the answers to...
...a value. Instructions cannot be a delay.) Operating the TI-80 1-7 While the busy indicator is displayed, indicating that a calculation or a graph is an instruction that precedes the exponent. Entering a Number in Scientific Notation To enter a number in expressions. Type the part of the name. Functions Instructions Interrupting a ... format is determined by a ( at the end of the number that clears any drawn elements from a graph. Some instructions take more than one argument, which can press ´ to be displayed in scientific notation does not cause the answers to...
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... character (the light gray character to the left above a key). each subsequent key press results in PARAM mode without pressing ? first. 1-8 Operating the TI-80 The 4 and y / keys delete or insert characters. These keys repeat when you insert characters at the underline cursor. Next key press is a 2nd... expression. Moves the cursor to the end of the cursor. Deletes the character at the position of the expression. Evaluates an expression or executes an instruction. ¦ On a line with text on the Home screen, clears (blanks) the current line. ¦ On a blank line on the Home...
... character (the light gray character to the left above a key). each subsequent key press results in PARAM mode without pressing ? first. 1-8 Operating the TI-80 The 4 and y / keys delete or insert characters. These keys repeat when you insert characters at the underline cursor. Next key press is a 2nd... expression. Moves the cursor to the end of the cursor. Deletes the character at the position of the expression. Evaluates an expression or executes an instruction. ¦ On a line with text on the Home screen, clears (blanks) the current line. ¦ On a blank line on the Home...
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Mode settings are described on blinks. 2. The settings are retained by entering the name of the mode as an instruction; The setting that you want to the line of the mode names, and then select the name. Press 9 or 6 to move the cursor to ...another screen. ¦ Press y . Leaving the MODE Screen To leave the MODE screen: ¦ Press the appropriate keys to go to plot simultaneously. Operating the TI-80 1-9 Checking MODE Settings Press 3 to the Home screen. Number of fraction display. Type of decimal places. Changing MODE Settings To change . or M to return to...
Mode settings are described on blinks. 2. The settings are retained by entering the name of the mode as an instruction; The setting that you want to the line of the mode names, and then select the name. Press 9 or 6 to move the cursor to ...another screen. ¦ Press y . Leaving the MODE Screen To leave the MODE screen: ¦ Press the appropriate keys to go to plot simultaneously. Operating the TI-80 1-9 Checking MODE Settings Press 3 to the Home screen. Number of fraction display. Type of decimal places. Changing MODE Settings To change . or M to return to...
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...¸ 3 § ? You can recall the previous entry even if you have begun entering the next expression. Press y ². Because the TI-80 updates the Last Entry storage area only when you press ¸, you can recall Last Entry and edit it replaces what you have typed. ... the line. When you press y ² again, the previous item replaces the item on the Home screen to evaluate an expression or execute an instruction, the expression or instruction is copied to press 2 ². The cursor is displayed, 2 ² displays the newest item again. 1§?A ¸ 2 ...
...¸ 3 § ? You can recall the previous entry even if you have begun entering the next expression. Press y ². Because the TI-80 updates the Last Entry storage area only when you press ¸, you can recall Last Entry and edit it replaces what you have typed. ... the line. When you press y ² again, the previous item replaces the item on the Home screen to evaluate an expression or execute an instruction, the expression or instruction is copied to press 2 ². The cursor is displayed, 2 ² displays the newest item again. 1§?A ¸ 2 ...
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... entry is as accurate as your first guess. 8 § ? If the previous entry contained more than one expression or instruction on a Line To enter more than one expression or instruction, separated with a colon (:). Use 8 as you want. Re.executing the To execute Last Entry, press ¸ on ...Last Entry. y 6 7 y / .95 ¸ Continue until the answer is executed, but it does not display again. 0§?N ¸ ? Operating the TI-80 1-15 N ¸ ¸ ¸ Multiple Entries on a line, separate them . Using the equation A=pr2, use trial and error to find the radius ...
... entry is as accurate as your first guess. 8 § ? If the previous entry contained more than one expression or instruction on a Line To enter more than one expression or instruction, separated with a colon (:). Use 8 as you want. Re.executing the To execute Last Entry, press ¸ on ...Last Entry. y 6 7 y / .95 ¸ Continue until the answer is executed, but it does not display again. 0§?N ¸ ? Operating the TI-80 1-15 N ¸ ¸ ¸ Multiple Entries on a line, separate them . Using the equation A=pr2, use trial and error to find the radius ...
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... from a VARS or Y.VARS Menu To copy a variable name from the menu. You may want from a VARS or Y.VARS menu: 1. Names of functions and the instructions to display the VARS menu. XTàYT Displays a menu of names of variable you select/deselect functions. Select the type of XnTàYnT...
... from a VARS or Y.VARS Menu To copy a variable name from the menu. You may want from a VARS or Y.VARS menu: 1. Names of functions and the instructions to display the VARS menu. XTàYT Displays a menu of names of variable you select/deselect functions. Select the type of XnTàYnT...
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... a value. Multi-argument functions, such as NDERIV(Añ,A,6), are evaluated as SIN(FPART(LN 8)). For example, SIN FPART LN 8 is , the order in which the TI.80 evaluates functions in expressions. Order of parentheses are evaluated first. Within a priority group, EOS evaluates functions from right to right. EOS (Equation Operating System) The...: 8FRAC, 8DEC, 8aÀbºc, and 8bºc. However, two or more single-argument functions that is evaluated as they can be followed by a store instruction. 1-20 Operating the TI-80
... a value. Multi-argument functions, such as NDERIV(Añ,A,6), are evaluated as SIN(FPART(LN 8)). For example, SIN FPART LN 8 is , the order in which the TI.80 evaluates functions in expressions. Order of parentheses are evaluated first. Within a priority group, EOS evaluates functions from right to right. EOS (Equation Operating System) The...: 8FRAC, 8DEC, 8aÀbºc, and 8bºc. However, two or more single-argument functions that is evaluated as they can be followed by a store instruction. 1-20 Operating the TI-80
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... is in the fourth group 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. To enter a negative number, use the negation function. Press ·, and then enter the number. On the TI-80, negation is interpreted as implied multiplication.
... is in the fourth group 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. To enter a negative number, use the negation function. Press ·, and then enter the number. On the TI-80, negation is interpreted as implied multiplication.
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...at the location where the error was detected in Appendix B. Correct the expression. 1-22 Operating the TI-80 Diagnosing an Error If the TI-80 detects an error, it evaluates an expression, executes an instruction, plots a graph, or stores a value. Calculations stop and an error message with a menu is... Appendix B, and read the information about each error message, see Appendix B. ¦ If you select QUIT, or press y . Error Conditions The TI.80 detects any errors at and before the cursor location. 3. Note the type of error, such as SYNTAX or DOMAIN. Note: If a syntax error ...
...at the location where the error was detected in Appendix B. Correct the expression. 1-22 Operating the TI-80 Diagnosing an Error If the TI-80 detects an error, it evaluates an expression, executes an instruction, plots a graph, or stores a value. Calculations stop and an error message with a menu is... Appendix B, and read the information about each error message, see Appendix B. ¦ If you select QUIT, or press y . Error Conditions The TI.80 detects any errors at and before the cursor location. 3. Note the type of error, such as SYNTAX or DOMAIN. Note: If a syntax error ...