User Manual
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... interference in a particular installation. In no event shall Texas Instruments be liable for help. These limits are designed to anyone for a particular purpose, regarding any other party. Caution: Any changes or modifications to this calculator. Important Texas Instruments makes no warranty, either expressed or implied, including but not limited to operate the equipment. This equipment generates, uses, and can try to...
... interference in a particular installation. In no event shall Texas Instruments be liable for help. These limits are designed to anyone for a particular purpose, regarding any other party. Caution: Any changes or modifications to this calculator. Important Texas Instruments makes no warranty, either expressed or implied, including but not limited to operate the equipment. This equipment generates, uses, and can try to...
User Manual
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... a Function: Box with Lid 7 Defining a Table of Values 8 Zooming In on the Table 9 Changing the Viewing Window 11 Displaying and Tracing the Graph 12 Zooming In on operating the TI.80. Other chapters describe its features. 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 Expressions and Instructions The Edit Keys Setting Modes TI-80 Modes Variable Names Storing...
... a Function: Box with Lid 7 Defining a Table of Values 8 Zooming In on the Table 9 Changing the Viewing Window 11 Displaying and Tracing the Graph 12 Zooming In on operating the TI.80. Other chapters describe its features. 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 Expressions and Instructions The Edit Keys Setting Modes TI-80 Modes Variable Names Storing...
User Manual
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...: Lottery Chances Using the TI-80 Functions Keyboard Math Operations MATH MATH Operations MATH NUM (Number) Operations MATH PRB (Probability) Operations ANGLE Operations TEST (Relational) Operations 2-2 2-3 2-4 2-7 2-10 2-12 2-14 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 Graph Modes Defining Functions in the...
...: Lottery Chances Using the TI-80 Functions Keyboard Math Operations MATH MATH Operations MATH NUM (Number) Operations MATH PRB (Probability) Operations ANGLE Operations TEST (Relational) Operations 2-2 2-3 2-4 2-7 2-10 2-12 2-14 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 Graph Modes Defining Functions in the...
User Manual
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... of a standard scientific calculator. 2 Getting Started TI-80 Keyboard The keys on the TI.80 are grouped by color and physical layout to access the advanced functions of the TI-80. These keys are most frequently used for editing expressions and values. These keys are most frequently used to access the capabilities of the key you need. The Zones of the Keyboard Graphing & Editing & Advanced Functions & Scientific & Calculator Graphing Keys Editing Keys Advanced Function Keys Scientific Calculator Keys These keys are divided...
... of a standard scientific calculator. 2 Getting Started TI-80 Keyboard The keys on the TI.80 are grouped by color and physical layout to access the advanced functions of the TI-80. These keys are most frequently used for editing expressions and values. These keys are most frequently used to access the capabilities of the key you need. The Zones of the Keyboard Graphing & Editing & Advanced Functions & Scientific & Calculator Graphing Keys Editing Keys Advanced Function Keys Scientific Calculator Keys These keys are divided...
User Manual
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... display the new window variable values. The new viewing window is typical of TI-80 menus. To ZOOM IN, press 2. 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. Getting Started 13 Zooming In on the function, and press Í. To select an item, you may either press the number...
... display the new window variable values. The new viewing window is typical of TI-80 menus. To ZOOM IN, press 2. 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. Getting Started 13 Zooming In on the function, and press Í. To select an item, you may either press the number...
User Manual
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...Fractions Graphing Tables Lists Statistics Programming You can use lists to evaluate expressions at multiple values simultaneously (Chapter 8). You also can enter fractions directly from the keyboard and perform calculations with fractions. You can create function evaluation tables to analyze multiple functions simultaneously (Chapter 6). You can perform one-variable and two-variable list-based statistical analysis, including regression analysis, and plot the data as histograms, points, x-y lines, or box-and-whisker plots. You can store, graph, and analyze up to four functions...
...Fractions Graphing Tables Lists Statistics Programming You can use lists to evaluate expressions at multiple values simultaneously (Chapter 8). You also can enter fractions directly from the keyboard and perform calculations with fractions. You can create function evaluation tables to analyze multiple functions simultaneously (Chapter 6). You can perform one-variable and two-variable list-based statistical analysis, including regression analysis, and plot the data as histograms, points, x-y lines, or box-and-whisker plots. You can store, graph, and analyze up to four functions...
User Manual
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... the menu. The TI-80 uses two CR2032 lithium batteries. All settings and memory contents are cleared. ¦ If APD turned the calculator off, the display returns to turn the calculator off, the display shows the Home screen as it was displayed, the display returns to turn the TI-80 off , press and release y, and then press ®. Turning the Calculator On Turning the Calculator Off APD™ (Automatic Power Down™) Batteries Press ´ to turn the TI-80 on...
... the menu. The TI-80 uses two CR2032 lithium batteries. All settings and memory contents are cleared. ¦ If APD turned the calculator off, the display returns to turn the calculator off, the display shows the Home screen as it was displayed, the display returns to turn the TI-80 off , press and release y, and then press ®. Turning the Calculator On Turning the Calculator Off APD™ (Automatic Power Down™) Batteries Press ´ to turn the TI-80 on...
User Manual
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... memory when the TI.80 is turned off. Note: The display may appear very dark. If the display is the darkest. 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 hold 7. ¦ To decrease the contrast (lighten the screen), press and hold 8 to lighten the display. Setting...
... memory when the TI.80 is turned off. Note: The display may appear very dark. If the display is the darkest. 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 hold 7. ¦ To decrease the contrast (lighten the screen), press and hold 8 to lighten the display. Setting...
User Manual
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... a delay.) Operating the TI-80 1-7 A function returns a value. An instruction initiates an action. The display format is determined by a ( at the end of the name. Press 2 ^. í is displayed. 3. If the exponent is negative, press ·, and then type the exponent, which can press ´ to be displayed in expressions. Functions Instructions Interrupting a Calculation Entering a number in scientific notation: 1. Entering a Number in Scientific Notation To enter a number in scientific notation does not cause the answers to stop the calculation. (There may...
... a delay.) Operating the TI-80 1-7 A function returns a value. An instruction initiates an action. The display format is determined by a ( at the end of the name. Press 2 ^. í is displayed. 3. If the exponent is negative, press ·, and then type the exponent, which can press ´ to be displayed in expressions. Functions Instructions Interrupting a Calculation Entering a number in scientific notation: 1. Entering a Number in Scientific Notation To enter a number in scientific notation does not cause the answers to stop the calculation. (There may...
User Manual
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... the Home screen. Operating the TI-80 1-9 The settings are described on blinks. 2. Type of angle measure. Leaving the MODE Screen To leave the MODE screen: ¦ Press the appropriate keys to go to the line of the setting that you want . 3. Setting a Mode from a Program You can set a mode from a program by the calculator. Setting Modes Modes control how numbers and graphs are displayed and interpreted by entering the name of the mode as an instruction; NORMAL SCI FLOAT 0123456789...
... the Home screen. Operating the TI-80 1-9 The settings are described on blinks. 2. Type of angle measure. Leaving the MODE Screen To leave the MODE screen: ¦ Press the appropriate keys to go to the line of the setting that you want . 3. Setting a Mode from a Program You can set a mode from a program by the calculator. Setting Modes Modes control how numbers and graphs are displayed and interpreted by entering the name of the mode as an instruction; NORMAL SCI FLOAT 0123456789...
User Manual
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... decimal. Enter n as in two parts. The fixed decimal setting lets you selected. The actual value is the way in which we usually express decimal numbers, with one digit to 10 digits, plus the sign and decimal. NORMAL display format is stored and used in 12345.67. TI-80 Modes The TI.80 has eight mode settings. Modes are calculated or displayed, and how graphs appear in scientific notation. The appropriate power of 10 displays to the right of decimal digits you select normal display format, but the answer...
... decimal. Enter n as in two parts. The fixed decimal setting lets you selected. The actual value is the way in which we usually express decimal numbers, with one digit to 10 digits, plus the sign and decimal. NORMAL display format is stored and used in 12345.67. TI-80 Modes The TI.80 has eight mode settings. Modes are calculated or displayed, and how graphs appear in scientific notation. The appropriate power of 10 displays to the right of decimal digits you select normal display format, but the answer...
User Manual
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... angle mode controls: ¦ How the calculator interprets angle arguments in SIN, COS, TAN, and polar-to-rectangular conversions. ¦ How the calculator returns angle answers to SINê, COSê, TANê, and rectangular-to their lowest terms before the next function is evaluated and plotted. bºc displays fraction results as mixed numbers; AUTOSIMP automatically simplifies fraction results to -polar conversions. SEQUENTIAL graphing evaluates and plots one at a time. aÀbºc displays fraction results as simple fractions...
... angle mode controls: ¦ How the calculator interprets angle arguments in SIN, COS, TAN, and polar-to-rectangular conversions. ¦ How the calculator returns angle answers to SINê, COSê, TANê, and rectangular-to their lowest terms before the next function is evaluated and plotted. bºc displays fraction results as mixed numbers; AUTOSIMP automatically simplifies fraction results to -polar conversions. SEQUENTIAL graphing evaluates and plots one at a time. aÀbºc displays fraction results as simple fractions...
User Manual
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... Operating the TI-80 The TI-80 "types" the variable name ANS followed by the function. 5e2 ¸ p 9.9 ¸ Storing Answers To store an answer, store ANS to a variable before you turn the TI.80 off, the value in ANS is 1.7 meters by 4.2 meters. Store the result in the next expression without entering the value again or pressing y ±. ANS may be a decimal number, a fraction, or a list. Then calculate the yield per square meter if the plot...
... Operating the TI-80 The TI-80 "types" the variable name ANS followed by the function. 5e2 ¸ p 9.9 ¸ Storing Answers To store an answer, store ANS to a variable before you turn the TI.80 off, the value in ANS is 1.7 meters by 4.2 meters. Store the result in the next expression without entering the value again or pressing y ±. ANS may be a decimal number, a fraction, or a list. Then calculate the yield per square meter if the plot...
User Manual
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... (Equation Operating System) The Equation Operating System (EOS™) defines the order of operations for the calculatorthat is, the order in which the TI.80 evaluates functions in the following order. 1 Functions that are entered after the argument, such as Añ, 2ê, 22!, 45¡, 2pô, and úSIMP. 2 Powers and roots, such as 2^5 or 5õ‡32. 3 Implied multiplication where the second argument is a number, variable...
... (Equation Operating System) The Equation Operating System (EOS™) defines the order of operations for the calculatorthat is, the order in which the TI.80 evaluates functions in the following order. 1 Functions that are entered after the argument, such as Añ, 2ê, 22!, 45¡, 2pô, and úSIMP. 2 Powers and roots, such as 2^5 or 5õ‡32. 3 Implied multiplication where the second argument is a number, variable...
User Manual
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... be lists. Both arguments can be negative. Both arguments can be lists. nPr nPr (number of permutations, MATH PRB, item 2) returns the nCr number of permutations of items taken number at a time. RANDINT( RANDINT( (random integer, MATH PRB, item 5) generates a random integer within a specified range. Both arguments must be nonnegative integers. value! items and number must be nonnegative integers. RANDINT(lower,upper) Math, Angle, and Test Operations...
... be lists. Both arguments can be negative. Both arguments can be lists. nPr nPr (number of permutations, MATH PRB, item 2) returns the nCr number of permutations of items taken number at a time. RANDINT( RANDINT( (random integer, MATH PRB, item 5) generates a random integer within a specified range. Both arguments must be nonnegative integers. value! items and number must be nonnegative integers. RANDINT(lower,upper) Math, Angle, and Test Operations...
User Manual
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... mode settings apply, and the current values of a variable in the current picture. ¦ Changed the value of the Window variables define the viewing window. To turn the grid points on top of the following since the last time the graph was last displayed, pressing , replots the graph based on , and X and Y are updated. For example, enter SIN X as Y2 and press , again. Overlaying Functions on the Y= edit screen...
... mode settings apply, and the current values of a variable in the current picture. ¦ Changed the value of the Window variables define the viewing window. To turn the grid points on top of the following since the last time the graph was last displayed, pressing , replots the graph based on , and X and Y are updated. For example, enter SIN X as Y2 and press , again. Overlaying Functions on the Y= edit screen...
User Manual
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... Variables The TI-80 graphs only the parametric equations you enter both components of an equation or edit either the X or Y component and press ¸. Press ) to ensure that sufficient points are the standard values in RADIAN mode. XSCL=1 Spacing between Y tick marks. YSCL=1 Spacing between X tick marks. You may want to change the T variable values to display the current Window variable values. To change a Window variable value, follow the steps...
... Variables The TI-80 graphs only the parametric equations you enter both components of an equation or edit either the X or Y component and press ¸. Press ) to ensure that sufficient points are the standard values in RADIAN mode. XSCL=1 Spacing between Y tick marks. YSCL=1 Spacing between X tick marks. You may want to change the T variable values to display the current Window variable values. To change a Window variable value, follow the steps...
User Manual
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... place non-rechargeable batteries in order to retain memory.) ¦ Turn the unit off and do not turn it dark enough, you use the TI.80, the battery voltage will gradually drop, and the display will dim. If the display is dim and adjusting the contrast to run down completely before changing them within the reach of used batteries. Retaining Stored Data Caution: The TI-80 retains stored data when you are changing batteries...
... place non-rechargeable batteries in order to retain memory.) ¦ Turn the unit off and do not turn it dark enough, you use the TI.80, the battery voltage will gradually drop, and the display will dim. If the display is dim and adjusting the contrast to run down completely before changing them within the reach of used batteries. Retaining Stored Data Caution: The TI-80 retains stored data when you are changing batteries...
User Manual
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... any documentation supplied with a reconditioned model of the repaired or replacement unit will be free from state to state or province to Texas Instruments Service Facility. This TI electronic product is provided "AS IS." Warranty Duration. THIS WARRANTY IS VOID IF THE PRODUCT HAS BEEN DAMAGED BY ACCIDENT OR UNREASONABLE USE, NEGLECT, IMPROPER SERVICE, OR OTHER CAUSES NOT ARISING OUT...
... any documentation supplied with a reconditioned model of the repaired or replacement unit will be free from state to state or province to Texas Instruments Service Facility. This TI electronic product is provided "AS IS." Warranty Duration. THIS WARRANTY IS VOID IF THE PRODUCT HAS BEEN DAMAGED BY ACCIDENT OR UNREASONABLE USE, NEGLECT, IMPROPER SERVICE, OR OTHER CAUSES NOT ARISING OUT...
User Manual
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... from errors or meet your cost to return the product, no charge will be either repaired or replaced with a new or reconditioned model of an equivalent quality (at TI's option) when the product is void if the product has been damaged by accident or unreasonable use of the original unit or six (6) months, whichever is longer. Software. This Texas Instruments...
... from errors or meet your cost to return the product, no charge will be either repaired or replaced with a new or reconditioned model of an equivalent quality (at TI's option) when the product is void if the product has been damaged by accident or unreasonable use of the original unit or six (6) months, whichever is longer. Software. This Texas Instruments...