User Guide
Page 4
... advanced functions. All the instructions and examples in available RAM memory, interchangeable faceplates, and Flash application ROM memory. Keyboard Zones Graphing - The two graphing calculators differ only in this guidebook, TI-84 Plus refers to the TI-84 Plus Silver Edition. Graphing keys access the interactive graphing features. Advanced - Sometimes, as in Chapter 19, the full name TI-84 Plus Silver Edition is divided into...
... advanced functions. All the instructions and examples in available RAM memory, interchangeable faceplates, and Flash application ROM memory. Keyboard Zones Graphing - The two graphing calculators differ only in this guidebook, TI-84 Plus refers to the TI-84 Plus Silver Edition. Graphing keys access the interactive graphing features. Advanced - Sometimes, as in Chapter 19, the full name TI-84 Plus Silver Edition is divided into...
User Guide
Page 10
... the graphing calculator infrequently. Chapter 1: Operating the TI-84 Plus Silver Edition 7 All memory should be retained. The answers are low, a low-battery message is the primary screen of Displays The TI-84 Plus displays both text and graphs. To replace the batteries without losing any information in memory, follow the steps in Appendix C. After this screen, enter instructions to...
... the graphing calculator infrequently. Chapter 1: Operating the TI-84 Plus Silver Edition 7 All memory should be retained. The answers are low, a low-battery message is the primary screen of Displays The TI-84 Plus displays both text and graphs. To replace the batteries without losing any information in memory, follow the steps in Appendix C. After this screen, enter instructions to...
User Guide
Page 18
... variables L, O, and G. The entire expression is evaluated according to calculate the log of the cursor location. If you enter LOG, the TI-84 Plus interprets the entry as you press Í, regardless of 45, you...calculate an answer. An expression is displayed. For example, to Equation Operating System (EOS™) rules, and the answer is completed when you would write it out. For example, pR2 is an expression. An expression evaluates to enter a value. Most TI-84 Plus functions and operations are symbols comprising several characters. Entering Expressions and Instructions...
... variables L, O, and G. The entire expression is evaluated according to calculate the log of the cursor location. If you enter LOG, the TI-84 Plus interprets the entry as you press Í, regardless of 45, you...calculate an answer. An expression is displayed. For example, to Equation Operating System (EOS™) rules, and the answer is completed when you would write it out. For example, pR2 is an expression. An expression evaluates to enter a value. Most TI-84 Plus functions and operations are symbols comprising several characters. Entering Expressions and Instructions...
User Guide
Page 19
Calculate 3.76 P (L7.9 + ‡5) + 2 log 45. 3 Ë 76 ¥ £ Ì 7 Ë 9 Ã y C 5 ¤ ¤ Ã 2 « 45 ¤ Í Multiple Entries on a Line To enter two or more expressions or instructions on a line, separate them with colons (ƒ [:]). This value can be an expression. 2. Chapter 1: Operating the TI-84 Plus Silver Edition 16 All instructions are...
Calculate 3.76 P (L7.9 + ‡5) + 2 log 45. 3 Ë 76 ¥ £ Ì 7 Ë 9 Ã y C 5 ¤ ¤ Ã 2 « 45 ¤ Í Multiple Entries on a Line To enter two or more expressions or instructions on a line, separate them with colons (ƒ [:]). This value can be an expression. 2. Chapter 1: Operating the TI-84 Plus Silver Edition 16 All instructions are...
User Guide
Page 20
..., as indicated by the busy indicator, press É. Instructions An instruction initiates an action. Chapter 1: Operating the TI-84 Plus Silver Edition 17 When you enter a number in scientific notation, the TI-84 Plus does not automatically display answers in expressions. Interrupting a Calculation To interrupt a calculation or graph in the example on the TI-84 Plus. For example, ClrDraw is indicated by an open...
..., as indicated by the busy indicator, press É. Instructions An instruction initiates an action. Chapter 1: Operating the TI-84 Plus Silver Edition 17 When you enter a number in scientific notation, the TI-84 Plus does not automatically display answers in expressions. Interrupting a Calculation To interrupt a calculation or graph in the example on the TI-84 Plus. For example, ClrDraw is indicated by an open...
User Guide
Page 21
...Moves the cursor from line to the home screen, press ' or any nongraphing key. • To restart graphing, press a graphing key or select a graphing instruction. On the top line of an expression on the home screen, † moves the cursor to end insertion,...instruction. In an editor, clears the expression or value where the cursor is displayed. • To return to line within an expression; Changes the cursor to the beginning of an expression. to the end of the expression. these keys repeat. these keys repeat. Chapter 1: Operating the TI-84 Plus Silver Edition 18 TI-84 Plus...
...Moves the cursor from line to the home screen, press ' or any nongraphing key. • To restart graphing, press a graphing key or select a graphing instruction. On the top line of an expression on the home screen, † moves the cursor to end insertion,...instruction. In an editor, clears the expression or value where the cursor is displayed. • To return to line within an expression; Changes the cursor to the beginning of an expression. to the end of the expression. these keys repeat. these keys repeat. Chapter 1: Operating the TI-84 Plus Silver Edition 18 TI-84 Plus...
User Guide
Page 24
... in scientific notation. Chapter 1: Operating the TI-84 Plus Silver Edition 21 Eng (engineering) notation mode is less than .001), the TI-84 Plus expresses the answer in 10 digits (or the absolute value is similar to the left and right of the decimal, as an instruction; and the power-of 10 displays to... is a multiple of å, as in 12345.67. Normal notation mode is pasted to the right of three, as in two parts. the instruction is the usual way we express numbers, with digits to 10 digits and a two-digit exponent. Numeric answers can be displayed with one , two...
... in scientific notation. Chapter 1: Operating the TI-84 Plus Silver Edition 21 Eng (engineering) notation mode is less than .001), the TI-84 Plus expresses the answer in 10 digits (or the absolute value is similar to the left and right of the decimal, as an instruction; and the power-of 10 displays to... is a multiple of å, as in 12345.67. Normal notation mode is pasted to the right of three, as in two parts. the instruction is the usual way we express numbers, with digits to 10 digits and a two-digit exponent. Numeric answers can be displayed with one , two...
User Guide
Page 25
.... Place the cursor on a graph (Chapters 3, 4, 5, and 6) • The Tangent( DRAW instruction equation of the line, x, and dy/dx values (Chapter 8) • Results of CALCULATE operations (Chapters 3, 4, 5, and 6) • The regression equation stored after the execution of a regression model (Chapter 12) Radian, Degree Angle modes control how the TI-84 Plus interprets angle values in trigonometric...
.... Place the cursor on a graph (Chapters 3, 4, 5, and 6) • The Tangent( DRAW instruction equation of the line, x, and dy/dx values (Chapter 8) • Results of CALCULATE operations (Chapters 3, 4, 5, and 6) • The regression equation stored after the execution of a regression model (Chapter 12) Radian, Degree Angle modes control how the TI-84 Plus interprets angle values in trigonometric...
User Guide
Page 32
... and the cursor disappears. 3. Note: You can edit the characters pasted to evaluate an expression or execute an instruction, the expression or instruction is placed in memory. Chapter 1: Operating the TI-84 Plus Silver Edition 29 Press Í. ENTRY (Last Entry) Storage Area Using ENTRY (Last Entry) When you selected... name of the program (in memory. The variable contents are inserted where the cursor was located before you turn off the TI-84 Plus, ENTRY is displayed on the home screen to the expression without affecting the value in a storage area called ENTRY (last entry).
... and the cursor disappears. 3. Note: You can edit the characters pasted to evaluate an expression or execute an instruction, the expression or instruction is placed in memory. Chapter 1: Operating the TI-84 Plus Silver Edition 29 Press Í. ENTRY (Last Entry) Storage Area Using ENTRY (Last Entry) When you selected... name of the program (in memory. The variable contents are inserted where the cursor was located before you turn off the TI-84 Plus, ENTRY is displayed on the home screen to the expression without affecting the value in a storage area called ENTRY (last entry).
User Guide
Page 34
...or more expressions or instructions, separate each expression or instruction with a colon, then press Í. the entry itself is displayed again, then the next-newest entry, and so on. To reexecute the displayed entry, press Í again. Chapter 1: Operating the TI-84 Plus Silver Edition 31 ...Each reexecution displays an answer on the right side of the next line; All expressions and instructions separated by colons are stored in ENTRY. To execute the last entry, press ...
...or more expressions or instructions, separate each expression or instruction with a colon, then press Í. the entry itself is displayed again, then the next-newest entry, and so on. To reexecute the displayed entry, press Í again. Chapter 1: Operating the TI-84 Plus Silver Edition 31 ...Each reexecution displays an answer on the right side of the next line; All expressions and instructions separated by colons are stored in ENTRY. To execute the last entry, press ...
User Guide
Page 35
... in memory. For the equation A=pr2, use trial and error to find the radius of them when you turn off the TI-84 Plus, the value in Ans is retained in an Expression When an expression is evaluated successfully from the home screen or from a program, the... TI-84 Plus stores the answer to the current cursor location. Use 8 as you press y [, all data that covers 200 square centimeters. Chapter 1: Operating the TI-84 Plus Silver Edition 32 Clearing ENTRY Clear Entries (Chapter 18) clears all the expressions and instructions separated by colons are pasted to...
... in memory. For the equation A=pr2, use trial and error to find the radius of them when you turn off the TI-84 Plus, the value in Ans is retained in an Expression When an expression is evaluated successfully from the home screen or from a program, the... TI-84 Plus stores the answer to the current cursor location. Use 8 as you press y [, all data that covers 200 square centimeters. Chapter 1: Operating the TI-84 Plus Silver Edition 32 Clearing ENTRY Clear Entries (Chapter 18) clears all the expressions and instructions separated by colons are pasted to...
User Guide
Page 45
...to indicate subtraction, as in the first level, such as squaring, are closed automatically at the end of an expression. Chapter 1: Operating the TI-84 Plus Silver Edition 42 On the TI-84 Plus, negation is interpreted as in 9 ¯ ¹ 7, or if you press ƒ A Ì ƒ B, it is.... Note: Use the ¹ key for subtraction and the Ì key for open parenthetical elements that precede the store or display-conversion instructions. This is also true for negation. If you press Ì to square a negative number. Note: An open parenthetical elements are evaluated ...
...to indicate subtraction, as in the first level, such as squaring, are closed automatically at the end of an expression. Chapter 1: Operating the TI-84 Plus Silver Edition 42 On the TI-84 Plus, negation is interpreted as in 9 ¯ ¹ 7, or if you press ƒ A Ì ƒ B, it is.... Note: Use the ¹ key for subtraction and the Ì key for open parenthetical elements that precede the store or display-conversion instructions. This is also true for negation. If you press Ì to square a negative number. Note: An open parenthetical elements are evaluated ...
User Guide
Page 48
...instructions to analyze many functions simultaneously. For details, refer to display both a graph and a related editor (such as phase plots. Or, you can generate sequences and graph them as web plots or as the Y= editor), the table, the stat list editor, or the home screen. Chapter 1: Operating the TI-84 Plus... Silver Edition 45 Also, you can split the screen horizontally to : Chapter 7 Split Screen You can graph them over time. For graphing details, refer to: Chapters 3, 4, 5, 6, 8 Sequences ...
...instructions to analyze many functions simultaneously. For details, refer to display both a graph and a related editor (such as phase plots. Or, you can generate sequences and graph them as web plots or as the Y= editor), the table, the stat list editor, or the home screen. Chapter 1: Operating the TI-84 Plus... Silver Edition 45 Also, you can split the screen horizontally to : Chapter 7 Split Screen You can graph them over time. For graphing details, refer to: Chapters 3, 4, 5, 6, 8 Sequences ...
User Guide
Page 50
.... You can paste any function or instruction from the CATALOG to : Chapter 15 Programming You can perform 16 hypothesis tests and confidence intervals and 15 distribution functions. Inferential Statistics You can enter and store programs that came with your graphing calculator. Documentation for additional Flash application guidebooks. Chapter 1: Operating the TI-84 Plus Silver Edition 47
.... You can paste any function or instruction from the CATALOG to : Chapter 15 Programming You can perform 16 hypothesis tests and confidence intervals and 15 distribution functions. Inferential Statistics You can enter and store programs that came with your graphing calculator. Documentation for additional Flash application guidebooks. Chapter 1: Operating the TI-84 Plus Silver Edition 47
User Guide
Page 52
... cable to : Chapter 19 Error Conditions Diagnosing an Error The TI-84 Plus detects errors while performing these tasks. • Evaluating an expression • Executing an instruction • Plotting a graph • Storing a value When the TI-84 Plus detects an error, it returns an error message as a menu... title, such as ERR:SYNTAX or ERR:DOMAIN. For details, refer to upgrade your TI-84 Plus. As future software upgrades ...
... cable to : Chapter 19 Error Conditions Diagnosing an Error The TI-84 Plus detects errors while performing these tasks. • Evaluating an expression • Executing an instruction • Plotting a graph • Storing a value When the TI-84 Plus detects an error, it returns an error message as a menu... title, such as ERR:SYNTAX or ERR:DOMAIN. For details, refer to upgrade your TI-84 Plus. As future software upgrades ...
User Guide
Page 83
...and returns one or more random numbers > 0 and < 1. The default for a given seed value. With each rand execution, the TI-84 Plus generates the same random-number sequence for numtrials is 0. To restore the factory-set seed value for numtrials (number of random-numbers, specify...can include rand in an expression. items and number must be lists. Note: The seed value also affects randInt(, randNorm(, and randBin( instructions. For example, rand5 generates a random number > 0 and < 5. To generate a different random-number sequence, store any nonzero seed value to...
...and returns one or more random numbers > 0 and < 1. The default for a given seed value. With each rand execution, the TI-84 Plus generates the same random-number sequence for numtrials is 0. To restore the factory-set seed value for numtrials (number of random-numbers, specify...can include rand in an expression. items and number must be lists. Note: The seed value also affects randInt(, randNorm(, and randBin( instructions. For example, rand5 generates a random number > 0 and < 5. To generate a different random-number sequence, store any nonzero seed value to...
User Guide
Page 87
degrees must be a real number; degrees¡minutes'seconds" Chapter 2: Math, Angle, and Test Operations 84 The Radian/Degree mode setting affects the TI-84 Plus's interpretation of ANGLE menu entries. The ANGLE menu displays angle indicators and instructions. ANGLE 1: ¡ Degree notation 2: ' DMS minute notation 3: r Radian notation 4: 8DMS Displays as degree/minute/second 5: R8Pr( Returns...
degrees must be a real number; degrees¡minutes'seconds" Chapter 2: Math, Angle, and Test Operations 84 The Radian/Degree mode setting affects the TI-84 Plus's interpretation of ANGLE menu entries. The ANGLE menu displays angle indicators and instructions. ANGLE 1: ¡ Degree notation 2: ' DMS minute notation 3: r Radian notation 4: 8DMS Displays as degree/minute/second 5: R8Pr( Returns...
User Guide
Page 101
Chapter 3: Function Graphing 98 Evaluating Y= Functions in Expressions You can calculate the value of a Y= function Yn at a specified value of values returns a list. Press Í to the cursor location on a blank line and follow these steps. ... variable Yn, selects the function, and displays the message Done. Select the function name, which pastes the name to complete the instruction. "expression"!Yn When the instruction is executed, the TI-84 Plus stores the expression to select 1:Function from the home screen or a program, begin on the home screen or program editor. 5....
Chapter 3: Function Graphing 98 Evaluating Y= Functions in Expressions You can calculate the value of a Y= function Yn at a specified value of values returns a list. Press Í to the cursor location on a blank line and follow these steps. ... variable Yn, selects the function, and displays the message Done. Select the function name, which pastes the name to complete the instruction. "expression"!Yn When the instruction is executed, the TI-84 Plus stores the expression to select 1:Function from the home screen or a program, begin on the home screen or program editor. 5....
User Guide
Page 110
When the instruction is pasted to the current cursor location. 6. Chapter 3: Function Graphing 107 The name of the variable is executed, the TI-84 Plus stores the value to the window variable and displays the value. @X and @Y The variables @X and @Y (items 8 and 9 on the VARS... (1:Window) X/Y secondary menu) define the distance from the center of one pixel to the center of any adjacent pixel on a graph (graphing accuracy). @X and @Y are calculated...
When the instruction is pasted to the current cursor location. 6. Chapter 3: Function Graphing 107 The name of the variable is executed, the TI-84 Plus stores the value to the window variable and displays the value. @X and @Y The variables @X and @Y (items 8 and 9 on the VARS... (1:Window) X/Y secondary menu) define the distance from the center of one pixel to the center of any adjacent pixel on a graph (graphing accuracy). @X and @Y are calculated...
User Guide
Page 114
... press Í to resume. • Press É to stop graphing. • Press Í to redraw. TRACE, ZOOM instructions, and CALC operations display the graph automatically. Smart Graph Smart Graph is a TI-84 Plus feature that redisplays the last graph immediately when you press s, but only if all graphing factors that affects graphs • Changed a function in the current picture • Selected...
... press Í to resume. • Press É to stop graphing. • Press Í to redraw. TRACE, ZOOM instructions, and CALC operations display the graph automatically. Smart Graph Smart Graph is a TI-84 Plus feature that redisplays the last graph immediately when you press s, but only if all graphing factors that affects graphs • Changed a function in the current picture • Selected...