User Manual
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... entry is executed on the home screen, the answer is displayed on one line, an ellipsis (...) is displayed as a list or matrix, is too long to the right or left. Busy Indicator When the TI-83 Plus is calculating or graphing, a vertical moving dotted line. Entry Answer The mode settings control the way the... as a busy indicator in the top-right corner of the next line. Entry Answer Returning to the Home Screen To return to display the answer. TI-83 Plus Operating the TI-83 Plus Silver Edition 11 Press ~ and | to the home screen from any other screen, press y 5.
... entry is executed on the home screen, the answer is displayed on one line, an ellipsis (...) is displayed as a list or matrix, is too long to the right or left. Busy Indicator When the TI-83 Plus is calculating or graphing, a vertical moving dotted line. Entry Answer The mode settings control the way the... as a busy indicator in the top-right corner of the next line. Entry Answer Returning to the Home Screen To return to display the answer. TI-83 Plus Operating the TI-83 Plus Silver Edition 11 Press ~ and | to the home screen from any other screen, press y 5.
User Manual
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... an editor, you can store to matrices, lists, and Y= functions (Chapter 3). • From the home screen, a program, or an editor, you can store a value to a matrix element or a list element. TI-83 Plus Operating the TI-83 Plus Silver Edition 27
... an editor, you can store to matrices, lists, and Y= functions (Chapter 3). • From the home screen, a program, or an editor, you can store a value to a matrix element or a list element. TI-83 Plus Operating the TI-83 Plus Silver Edition 27
User Manual
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Press y ãRCLä. TI-83 Plus Operating the TI-83 Plus Silver Edition 31 RCL and the edit cursor are displayed on the bottom line of the program (in any of five ways. • Press ƒ and then the letter of the variable. ...8226; Press y ãLISTä, and then select the name of the list, or press y [Ln]. • Press y >, and then select the name of the matrix...
Press y ãRCLä. TI-83 Plus Operating the TI-83 Plus Silver Edition 31 RCL and the edit cursor are displayed on the bottom line of the program (in any of five ways. • Press ƒ and then the letter of the variable. ...8226; Press y ãLISTä, and then select the name of the list, or press y [Ln]. • Press y >, and then select the name of the matrix...
User Manual
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... a real or complex number, a list, a matrix, or a string. When you want. Clearing ENTRY Clear Entries (Chapter 18) clears all data that the TI-83 Plus is evaluated successfully from the home screen or from a program, the TI-83 Plus stores the answer to find the radius of a ...circle that covers 200 square centimeters. Using Ans in an Expression When an expression is holding in memory. TI-83 Plus Operating the TI-83 Plus Silver Edition 36
... a real or complex number, a list, a matrix, or a string. When you want. Clearing ENTRY Clear Entries (Chapter 18) clears all data that the TI-83 Plus is evaluated successfully from the home screen or from a program, the TI-83 Plus stores the answer to find the radius of a ...circle that covers 200 square centimeters. Using Ans in an Expression When an expression is holding in memory. TI-83 Plus Operating the TI-83 Plus Silver Edition 36
User Manual
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... for which to square a negative number. If you press Ì to indicate subtraction, as in the list (Chapter 11) or matrix (Chapter 10) and specifies a value for negation. TI-83 Plus Operating the TI-83 Plus Silver Edition 49 Press Ì and then enter the number. Use parentheses to solve the Y= function. It specifies elements in 9 Ì ... (AäMB). Negation To enter a negative number, use the negation key. Functions in the EOS hierarchy. Note: An open parenthesis following a list name, matrix name, or Y= function name does not indicate implied multiplication.
... for which to square a negative number. If you press Ì to indicate subtraction, as in the list (Chapter 11) or matrix (Chapter 10) and specifies a value for negation. TI-83 Plus Operating the TI-83 Plus Silver Edition 49 Press Ì and then enter the number. Use parentheses to solve the Y= function. It specifies elements in 9 Ì ... (AäMB). Negation To enter a negative number, use the negation key. Functions in the EOS hierarchy. Note: An open parenthesis following a list name, matrix name, or Y= function name does not indicate implied multiplication.
User Manual
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... as the Y= editor), the table, the stat list editor, or the home screen. Matrices You can split the screen vertically to : Chapter 10 TI-83 Plus Operating the TI-83 Plus Silver Edition 54 For details, refer to: Chapter 7 Split Screen You can create function evaluation tables to analyze many functions simultaneously. Tables You can split the...
... as the Y= editor), the table, the stat list editor, or the home screen. Matrices You can split the screen vertically to : Chapter 10 TI-83 Plus Operating the TI-83 Plus Silver Edition 54 For details, refer to: Chapter 7 Split Screen You can create function evaluation tables to analyze many functions simultaneously. Tables You can split the...
User Manual
Page 83
round( round( returns a number, expression, list, or matrix rounded to 10 digits. fPart(value) TI-83 Plus Math, Angle, and Test Operations 80 round(value[,#decimals]) iPart(, fPart( iPart( (integer part) returns the integer part or parts of real or complex numbers, expressions, lists, and matrices. iPart(value) fPart( (fractional part) returns the fractional part or parts of real or complex numbers, expressions, lists, and matrices. If #decimals is omitted, value is rounded to the digits that are displayed, up to #decimals (9).
round( round( returns a number, expression, list, or matrix rounded to 10 digits. fPart(value) TI-83 Plus Math, Angle, and Test Operations 80 round(value[,#decimals]) iPart(, fPart( iPart( (integer part) returns the integer part or parts of real or complex numbers, expressions, lists, and matrices. iPart(value) fPart( (fractional part) returns the fractional part or parts of real or complex numbers, expressions, lists, and matrices. If #decimals is omitted, value is rounded to the digits that are displayed, up to #decimals (9).
User Manual
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... then using rref( to enter the first element. Ellipses (...) indicate additional columns beyond the screen. 3. TI-83 Plus Matrices 256 The rectangular cursor moves to select 1: [A]¸ 2. Press ~ ~ to define a 2×4 matrix. Press 2 Í 4 Í to display the MATRX EDIT menu. Chapter 10: Matrices Getting Started: Systems of X + 2Y + 3Z = 3 and 2X + 3Y + 4Z = 3. Press...
... then using rref( to enter the first element. Ellipses (...) indicate additional columns beyond the screen. 3. TI-83 Plus Matrices 256 The rectangular cursor moves to select 1: [A]¸ 2. Press ~ ~ to define a 2×4 matrix. Press 2 Í 4 Í to display the MATRX EDIT menu. Chapter 10: Matrices Getting Started: Systems of X + 2Y + 3Z = 3 and 2X + 3Y + 4Z = 3. Press...
User Manual
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... NAMES menu. Press y > 1 to the home screen. Press 2 Í 3 Í 4 Í 3 Í to the end of the matrix is displayed and stored in Ans. 1X N 1Z = L3 therefore 1Y + 2Z = 3 therefore X = L3 + Z Y = 3 N 2Z TI-83 Plus Matrices 257 The reduced row-echelon form of the menu. If necessary, press ' to the home screen. 7. Select...
... NAMES menu. Press y > 1 to the home screen. Press 2 Í 3 Í 4 Í 3 Í to the end of the matrix is displayed and stored in Ans. 1X N 1Z = L3 therefore 1Y + 2Z = 3 therefore X = L3 + Z Y = 3 N 2Z TI-83 Plus Matrices 257 The reduced row-echelon form of the menu. If necessary, press ' to the home screen. 7. Select...
User Manual
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... display the MATRX EDIT menu. TI-83 Plus Matrices 258 To do so, follow these steps. 1. Defining a Matrix What Is a Matrix? A matrix is a two-dimensional array. Selecting a Matrix Before you can display, define, or edit a matrix in the editor, you first must select the matrix name. You can define or display a matrix in the matrix editor. You can define a matrix directly in TI-83 Plus matrices. You...
... display the MATRX EDIT menu. TI-83 Plus Matrices 258 To do so, follow these steps. 1. Defining a Matrix What Is a Matrix? A matrix is a two-dimensional array. Selecting a Matrix Before you can display, define, or edit a matrix in the editor, you first must select the matrix name. You can define or display a matrix in the matrix editor. You can define a matrix directly in TI-83 Plus matrices. You...
User Manual
Page 262
... press Í, the rectangular cursor moves to define. TI-83 Plus Matrices 259 You must accept or change the row dimension, enter the number of a new matrix are displayed on the top line. 2. The MATRX EDIT screen is displayed. Accepting or Changing Matrix Dimensions The dimensions of the matrix (row × column) are 1 ×1. When you select...
... press Í, the rectangular cursor moves to define. TI-83 Plus Matrices 259 You must accept or change the row dimension, enter the number of a new matrix are displayed on the top line. 2. The MATRX EDIT screen is displayed. Accepting or Changing Matrix Dimensions The dimensions of the matrix (row × column) are 1 ×1. When you select...
User Manual
Page 263
...abbreviated form if necessary. In a new matrix, all values are zero. Viewing and Editing Matrix Elements Displaying Matrix Elements After you have set the dimensions of the elements in the right column indicate additional rows. Select the matrix from the MATRX EDIT menu and enter or accept the dimensions. ...The full value of the current element, which is indicated by the rectangular cursor, is an 8 × 4 matrix. This is displayed on the bottom line. TI-83 Plus Matrices 260
...abbreviated form if necessary. In a new matrix, all values are zero. Viewing and Editing Matrix Elements Displaying Matrix Elements After you have set the dimensions of the elements in the right column indicate additional rows. Select the matrix from the MATRX EDIT menu and enter or accept the dimensions. ...The full value of the current element, which is indicated by the rectangular cursor, is an 8 × 4 matrix. This is displayed on the bottom line. TI-83 Plus Matrices 260
User Manual
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Select the matrix from memory, use the cursor keys to move quickly from one matrix element to the next. Viewing a Matrix The matrix editor has two contexts, viewing and editing. The full value of the highlighted element is displayed on the bottom line. TI-83 Plus Matrices 261 Deleting a Matrix To delete matrices from the MATRX EDIT menu, and then enter or accept the dimensions. In viewing context, you can use the MEMORY MANAGEMENT/DELETE secondary menu (Chapter 18).
Select the matrix from memory, use the cursor keys to move quickly from one matrix element to the next. Viewing a Matrix The matrix editor has two contexts, viewing and editing. The full value of the highlighted element is displayed on the bottom line. TI-83 Plus Matrices 261 Deleting a Matrix To delete matrices from the MATRX EDIT menu, and then enter or accept the dimensions. In viewing context, you can use the MEMORY MANAGEMENT/DELETE secondary menu (Chapter 18).
User Manual
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...; clears the value on the bottom line. TI-83 Plus Matrices 262 on the bottom line Switches to the column dimension; activates the edit cursor on the top row, } moves the cursor to editing context; copies the character to the bottom line Nothing Nothing Editing a Matrix Element In editing context, an edit cursor is active on the bottom line...
...; clears the value on the bottom line. TI-83 Plus Matrices 262 on the bottom line Switches to the column dimension; activates the edit cursor on the top row, } moves the cursor to editing context; copies the character to the bottom line Nothing Nothing Editing a Matrix Element In editing context, an edit cursor is active on the bottom line...
User Manual
Page 266
Press Í, }, or † to move the cursor to the matrix element you want to restore the value at the rectangular cursor if you leave editing context. Switch to another element. Note: You can press ' Í to change. 3. Change the value of the matrix element using the editing-context keys described below. You may enter an expression, which is evaluated when you make a mistake. 5. Press |, }, ~, and † to move to editing context by pressing Í, ', or an entry key. 4. TI-83 Plus Matrices 263 2.
Press Í, }, or † to move the cursor to the matrix element you want to restore the value at the rectangular cursor if you leave editing context. Switch to another element. Note: You can press ' Í to change. 3. Change the value of the matrix element using the editing-context keys described below. You may enter an expression, which is evaluated when you make a mistake. 5. Press |, }, ~, and † to move to editing context by pressing Í, ', or an entry key. 4. TI-83 Plus Matrices 263 2.
User Manual
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... line Copies the character to the location of the edit cursor on the bottom line Activates the insert cursor Deletes the character under the edit cursor on the bottom line to the matrix element; Editing-Context Keys Key | or ~ † or ...} Í ' Any entry character y 6 { Function Moves the edit cursor within the column Stores the value displayed on the bottom line to the matrix element; switches to viewing context and moves the rectangular cursor within the value Stores the value displayed on the bottom line TI-83 Plus...
... line Copies the character to the location of the edit cursor on the bottom line Activates the insert cursor Deletes the character under the edit cursor on the bottom line to the matrix element; Editing-Context Keys Key | or ~ † or ...} Í ' Any entry character y 6 { Function Moves the edit cursor within the column Stores the value displayed on the bottom line to the matrix element; switches to viewing context and moves the rectangular cursor within the value Stores the value displayed on the bottom line TI-83 Plus...
User Manual
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... (see below). Separate the values with commas. 4. To enter a matrix in an expression. TI-83 Plus Matrices 265 Entering a Matrix in an Expression You can enter, edit, and store a matrix in the row. Using Matrices with Expressions Using a Matrix in an Expression To use a matrix in an expression, you can do any of the following. • Copy the name...
... (see below). Separate the values with commas. 4. To enter a matrix in an expression. TI-83 Plus Matrices 265 Entering a Matrix in an Expression You can enter, edit, and store a matrix in the row. Using Matrices with Expressions Using a Matrix in an Expression To use a matrix in an expression, you can do any of the following. • Copy the name...
User Manual
Page 269
The resulting matrix is displayed in the form: [[element1,1,...,element1,n],...,[elementm,1,...,elementm,n]] Any expressions are not necessary at the end of an expression or preceding !. 5. Note: The commas that you must enter to indicate the end of the rows. 6. Note: The closing ]] are evaluated when the entry is executed. TI-83 Plus Matrices 266 Press y [ ] ] to separate elements are not displayed on output. Repeat steps 2 through 4 to enter all of the matrix.
The resulting matrix is displayed in the form: [[element1,1,...,element1,n],...,[elementm,1,...,elementm,n]] Any expressions are not necessary at the end of an expression or preceding !. 5. Note: The commas that you must enter to indicate the end of the rows. 6. Note: The closing ]] are evaluated when the entry is executed. TI-83 Plus Matrices 266 Press y [ ] ] to separate elements are not displayed on output. Repeat steps 2 through 4 to enter all of the matrix.
User Manual
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Displaying and Copying Matrices Displaying a Matrix To display the contents of the matrix you want to copy. Press ~, |, †, and } to display the MATRX NAMES menu. 2. Press y > to scroll the matrix. Ellipses in the left or right column indicate additional columns. # or $ in the right column indicate additional rows. Select the name of a matrix on the home screen, select the matrix from the MATRX NAMES menu, and then press Í. TI-83 Plus Matrices 267 Copying One Matrix to Another To copy a matrix, follow these steps. 1.
Displaying and Copying Matrices Displaying a Matrix To display the contents of the matrix you want to copy. Press ~, |, †, and } to display the MATRX NAMES menu. 2. Press y > to scroll the matrix. Ellipses in the left or right column indicate additional columns. # or $ in the right column indicate additional rows. Select the name of a matrix on the home screen, select the matrix from the MATRX NAMES menu, and then press Í. TI-83 Plus Matrices 267 Copying One Matrix to Another To copy a matrix, follow these steps. 1.
User Manual
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Accessing a Matrix Element On the home screen or from within the currently defined matrix dimensions. Select matrix from , a matrix element. The element must be within a program, you want to copy the existing matrix. 5. Press ¿. 4. Press Í to copy the matrix to , or recall a value from the MATRX NAMES menu. [matrix](row,column) TI-83 Plus Matrices 268 3. Press y > again and select the name of the new matrix to which you can store a value to the new matrix name.
Accessing a Matrix Element On the home screen or from within the currently defined matrix dimensions. Select matrix from , a matrix element. The element must be within a program, you want to copy the existing matrix. 5. Press ¿. 4. Press Í to copy the matrix to , or recall a value from the MATRX NAMES menu. [matrix](row,column) TI-83 Plus Matrices 268 3. Press y > again and select the name of the new matrix to which you can store a value to the new matrix name.