Solution 11748: Explanation of r^2 and R^2 on the TI-83 Family or TI-84 Family Graphing Calculator.
...n regression models are executed, a TI-83 family or TI-84 family graphing calculator computes and stores diagnostics values for r (correlation coefficient) and r2 (coefficient of determination) and R2 (coefficient of multiple determination).r2 expresses the proportion of the total variation in th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11748
Solution 34919: Calculating the Present Value of a Perpetuity (Infinite Annuity) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...e present value of a perpetuity (infinite annuity) on the TI-83 Plus and TI-84 Plus family of graphing calculators? Sometimes when dealing with annuities, there are those that pay forever instead of for a specific period of time. Hence, they are called perpetuities or infinite annuities. Since th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34919
Solution 34918: Calculating Derivatives on the TI-84 Plus Family of Graphing Calculators.
...θ,n] [x²] [,] [X,T,θ,n] [,] [2] [)] [ENTER]. Please Note: The TI-84 Plus family of graphing calculators do not have symbolic manipulation capabilities and cannot find the symbolic derivative of a function. For a list of TI graphing calculators that have the Computer Algebraic System (CAS) plea...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34918
Solution 11893: Saving Text to a TI Graphing Calculator.
...w program: 1) Press [PRGM] 2) Scroll to NEW, then press [ENTER] 3) Input the program name, then press [ENTER] 4) Now input the text information Viewing/editing an existing program: 1) Press [PRGM] 2) Scroll to [EDIT] 3) Scroll to the name of the program to be edited, then press [ENTER] P...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11893
Solution 28370: Redeeming Technology Rewards Points For Professional Development Courses
...9-Day Course or a T^3 International Conference. Each different conference or course requires the redemption of a certain amount of TI TRP points. To view the point totals needed for redemption, click here. Process For Redeeming TI TRP Points For Professional Development Courses 1. Submit the re...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/28370
Solution 34922: Graphing a Line Using Two Points on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...L1. 10) Scroll down to "Ylist:" and press [2nd] [2] to input L2. 11) Press [GRAPH] to graph a line connecting the two points. 12) To get a better view of the graph, press [ZOOM] [9] to select the ZoomStat function. Please see the TI-83 Plus and TI-84 Plus Family guidebooks for additional info...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34922
Solution 13342: Using the Exact() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...ode arithmetic regardless of the Exact/Approx mode setting to return, when possible, the rational-number equivalent of the argument. Note: tol specifies the tolerance for the conversion; the default is set to 0(zero). Refer to the examples provided below. Ex.1 exact(.25) [ENTER] Ex.2 exact(...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13342
Solution 10431: Finding the Zero, Minimum, or Maximum of a Function on the TI-85 or TI-86.
... will have to graph it. Example: With the graph displayed, press [MORE] [F1] to access the MATH menu. Under the MATH menu, ROOT (zero) is over [F1], FMIN (minimum) over [F4] and FMAX (maximum) over [F5]. To find the zero of the function: 1) Press [F1] and the Left Bound? prompt is displayed. ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10431
Solution 13323: Using the RandMat() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...e randMat() function is listed below. randMat(numRows,numColumns) The randMat() function returns a matrix of integers between -9 and 9 of the specified dimension. Reference the example provided below. Ex. Create a random generated matrix with 3 rows and 3 columns. • From the HOME screen press...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13323
Solution 13321: Using the Rand() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...-92 family and Voyage 200 graphing calculators? The syntax for the rand() function is listed below.rand([n])Where n is an integer ¹ 0 • With no specified n, rand() returns the next random number between 0 and 1 in the sequence. Ex. rand(6) may return the result of 5• When n is a positive value, r...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13321
Solution 12648: Calculating Linear Regressions on the TI-81.
...lator will display the form of the equation (y=a+bx) and then list the values for a and b (5.0256 and 1.2564 respectively) and the correlation coefficient (r) .9885.For more information regarding your Texas Instruments graphing calculator, please refer to the guidebooks section. Solution 12648: ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12648
Solution 12060: Interpolation Calculations on the TI-89 Family, TI-92 Family, and Voyage™ 200.
...terpolation function. However, students, educators, and other users of the TI-89 family may find third-part sources available on the Internet for retrieval of a user-defined interpolation program for the TI-92 family and Voyage 200. Solution 12060: Interpolation Calculations on the TI-89 Family...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12060
Solution 13180: Sharing Applications Between the TI-89 Family Graphing Calculators.
...2ND] [VAR-LINK] [F3] to access the link menu. 2) Select option 2:Receive and the bottom of the calculator screen will display VAR-LINK: WAITING TO RECIEVE BUSY. On the calculator that will be sending the App: 1) Press [2ND] [VAR-LINK] to access the link menu. 2) Press [2ND] [F7] to access the lis...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13180
Solution 12184: Algorithm for the Exec Command on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...e syntax for the Exec function is provided below:Exec string [, espression1] [, expression2]...The Exec function executes a string consisting of a series of Motorola 68000 op-codes. These codes act as a form of an assembly-language program. If needed, the optional expressions enable users to pass...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12184
Solution 12177: Using the ZoomBox, ZoomIn, and ZoomOut Tools to Explore a Graph on the TI-89 Family, the TI-92 Family, and the Voyage™ 200.
...tools on the TI-89 Family, the TI-92 Family, and the Voyage 200? After graphing a function, the [F2]Zoom menu offers several tools for adjusting the viewing window. The Zoom menu can be accessed from the Y= Editor, the Window Editor, or the Graph screen.1. ZoomBox: Draw a box and zoom in on that ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12177
Solution 14243: Drawing a Pictograph On The TI-73 Explorer™.
... How do I draw a pictograph on my TI-73 Explorer? The TI-73 Explorer can display no more than seven pictograph icons for up to seven categories on the screen. If the scale is not big enough (the Data List is broken up by more than seven icons) the calculator will display an INVALID DIM ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14243
Solution 12170: Using the "and" Operator on TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... graphing calculators? The and operator is primarily used to compare two Boolean expressions, lists, or matrices and returns true, false, or a simplified form of the original entry. When used with integers, the and operator compares them bit-by-bit using an and operation. Internally, both integer...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12170
Solution 16189: Creating a 3D Graph of a Surface On a TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculator.
...[ENTER] [ENTER] to change the mode to 3D. 2) Press [♦][Y=]. 3) Input the equation [y][^][2][-][x][^][2] in z1. 4) Press [♦][GRAPH]. The graph can be viewed at different angles by pressing the arrow keys. Additional information on 3D graphing can be found in the TI-89 family, TI-92 family and V...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16189
Solution 11822: Algorithm Used for the propFrac() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...I-89 family, TI-92 family, and Voyage 200 graphing calculators? The propFrac() function uses polynomial division with remainder to determine the quotient polynomial and the numerator of the resulting fraction. For additional information on using this and other functions, refer to the online guid...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11822
Solution 12165: The cFactor() function on The TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.
...3 • x + 2• i ) / 9 3. cFactor ( x ^ 2 + 3 ) [ENTER] will return x^2 + 3 4. cFactor ( x ^ 2 + a ) [ENTER] will return x^2 + a When used with a specified variable, the expression is factored as much as possible toward factors that are linear in the reference-variable, with perhaps non-real consta...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12165
Solution 12134: Using Strings on the TI-89 Family, TI-92 Family, and Voyage™ 200.
...r() command. To convert a numeric value into a string, use the string() command. The syntax of the command is string(Expression). The command simplifies the expression and returns the result as a character string. Example 1: Disp string(5+7) will return "12" Example 2: :Prgm :... :5->a :12-...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12134
Solution 12093: Displaying Asymptotes on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.
...I-89 family, TI-92 Plus or Voyage 200? The TI-89 family, TI-92 Plus, or Voyage 200 units do not display asymptotes. The graph application plots a series of points, separated by the number of pixels specified in the "xres" variable on the window screen. As successive points are drawn, they are jo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12093
Solution 12092: Creating a Scatter Plot Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... Select plot type (use scatter to plot the points). 4) Type in c1 for X and c2 for Y. 5) Press [ENTER] two times. 6) Press [♦] [GRAPH] (Note: The viewing window may need to be adjusted. Press [F2][9].) Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional infor...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12092
Solution 12091: Creating a Histogram Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...will demonstrate how to plot a histogram using the TI-89, TI-92 Family, and Voyage 200.Data for this example: x values: {5, 8, 9, 12, 13, 15} Frequencies: {4, 1, 5, 2, 6, 3} Input the data • Press [APPS] [6] [3]. (If the Apps Desktop is on, press [APPS], select Data/Matrix Editor, and choose [3]....https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12091
Solution 11835: Decreasing the Calculation Time Needed for the nSolve() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...e Time-Value-of-Money equation for the interest rate can cause expansion of a high-degree polynomial. Func-type user-defined functions are not simplified prior to the numeric search. Consequently, to avoid the time-consuming simplification, use the steps provided below:• Use the program editor to...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11835