Solution 12660: Equations Used to Calculate Linear Regressions on TI Graphing Calculators.
...ms. The TI-89 family, TI-92 family, and Voyage™ 200 family graphing calculators use only the ax+b form. Texas Instruments' feedback received from mathematics educators who were using the regression functions found that the educators wanted a form of the regression equation that tied into what was...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12660
Solution 12218: Median-Median Line Algorithm on TI Graphing Calculators.
...point for each part 3) Use the three summary points to define the median-median line How TI graphing calculators do this: 1) The calculator will attempt to break the list into three equal parts without breaking up data groups of equal x values. In this case, the algorithm we use is designed to...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12218
Solution 11713: Calculating the Determinant of a Matrix Using a TI-82, TI-83 Family or TI-84 Plus Family Graphing Calculator.
...Base Search How do I calculate the determinant of a matrix using the TI-82, TI-83 family, or TI-84 Plus family? The instructions below will demonstrate how to find the determinant of a matrix using the TI-82, TI-83 family or TI-84 Plus family . Example: For the following matrix A, find ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11713
Solution 11570: Axes Do Not Appear When Graphing on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... How can I make the axes appear when graphing on the TI-83 Plus and TI-84 Plus family of graphing calculators? The following instructions will demonstrate how to make the x and y axes appear when graphing on the TI-83 Plus and TI-84 Plus family of graphing calculators.To turn the axes on: 1...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11570
Solution 11767: Graphing an Ellipse on a Texas Instruments Graphing Calculator.
...t an ellipse into the Y= Editor of a TI graphing calculator, the equation for the ellipse would need to solved in terms of y. The example below will demonstrate how to graph an ellipse. For Example: Graph an ellipse where a=1, b=1, and the center of the ellipse is at point (5,6). 1) The equat...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11767
Solution 11759: Graph of the Absolute Value of the Square Root of X Differs on the TI-83 Family, TI-84 Plus C Silver Edition, or TI-84 Plus Family Graphing Calculator and on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...e results be real, only that the final result be real. Graphs of the function in imaginary and real modes will differ based on the calculation requirements of the TI-83 family, TI-84 Plus C Silver Edition, or TI-84 Plus family calculator. If the calculator is set to real mode, the graph of only ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11759
Solution 36978: Cannot transfer .ZIP files to and from the TI-84 Plus CE™ using the TI-Connect CE™ software
...am I unable to transfer .ZIP files to and from the TI-84 Plus CE™ using the TI-Connect CE™ software? Texas Instruments is aware of the reported problem and may be resolved at the earliest in a future release. The current workaround is to unzip these files to a specific location such as your desk...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/36978
Solution 30651: Calculating a Median-Median Regression on the TI-83 Plus Family of Graphing Calculators.
...hnique, calculating the summary points x1,y1,x2,y2,x3 and y3. Med-Med displays values for a (Slope) and b (y-intercept). The following example will demonstrate how to calculate a Med-Med regression: X= {15; 25; 50; 50; 75; 80; 95} Y= {4; 9; 20; 31; 55; 42; 73} Key the data into the handheld: ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/30651
Solution 34920: Graphing an Inequality Containing the Absolute Value on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... How can I graph an inequality containing the absolute value on the TI-83 Plus and TI-84 Plus family of graphing calculators? The instructions below demonstrate how to input and graph the abs( or absolute value function: Example: Graph |2x+3|>9 • Press [Y=]. • Press [MATH]. • Scroll right to hi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34920
Solution 11893: Saving Text to a TI Graphing Calculator.
... 2) Select the name of the program to be edited using the function keys (F1-F5), then press [ENTER] Please Note: If > is displayed after the fifth item in a menu group, press [MORE] to display other items. Procedure for the TI-92: Opening a new file in the text editor: 1) Press [APPS] [9] [3]...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11893
Solution 34893: Disabling the STAT Wizards on the TI-84 Plus Family of Graphing Calculators.
...ow is a picture of the STAT wizard for the Linear Regression, LinReg(ax+b): For users who are familiar with previous TI-84 Plus family operating systems and do not want to use the STAT wizards, there is also an option to disable the STAT wizards. To do this, follow the steps below: 1) Press [MOD...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34893
Solution 34922: Graphing a Line Using Two Points on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... Search How do I graph a line using two points on the TI-83 Plus and TI-84 Plus family of graphing calculators? The following example will demonstrate how to graph a line using two points. For Example: Graph a line connecting the points (3,7) and (5,8). Data for this example: L1: {3,5...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34922
Solution 13326: Using the RandSeed Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... calculator sets the seeds to the factory for the random-number generator.If number is ¹ 0, it is used to generate two seeds, which are stored in system variables seed1 and seed2. Example:1) Press [2nd][MATH], and arrow down to 7:Probability2) Press the right arrow key and scroll down and select ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13326
Solution 10420: Correcting the Error "Cannot Transfer. The File Format is Invalid" When Sending the Advanced Statistics Program to the TI-86
... group file. The TI Connect 1.6 does not recognize a TI-86 group files, so the error, Cannot transfer. The file format is invalid will appear when attempting to transfer this program by dragging its icon onto the TI Connect shortcut icon.To correct the issue, ungroup the TI-86 Advanced Statistic...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10420
Solution 12648: Calculating Linear Regressions on the TI-81.
... Knowledge Base Knowledge Base Search How do I calculate a Linear Regression using the TI-81? The example below will demonstrate how to perform a linear regression using the TI-81: Data for this example:xStat: {1,4,8,10}yStat: {7,9,15,18} Enter the data into the TI...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12648
Solution 10417: Calculating Two-Variable Statistics on the TI-86
... Knowledge Base Knowledge Base Search How do I calculate two-variable statistics on the TI-86? The following example will demonstrate how to perform two-variable statistics calculations using the TI-86.Data for this example:xStat: {3,5,8,10}yStat: {7,8,14,18}Enter the d...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10417
Solution 11832: Correcting an "Undefined Variable" Error on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...al analysis has not been performed. If the variable is defined, then refer to the following instructions to resolve this error. 1) Press [2nd] [6] (MEM) [F1] [ENTER]. 2) Select 2:Default. 3) Press [ENTER] and Defaults Set is displayed. 4) Press [ENTER]. Once the defaults have been reset, try t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11832
Solution 11825: Axes do not Appear on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
... How can I make the axes appear when graphing using the TI-89 family, TI-92 family, or Voyage 200 graphing calculators? The instructions will demonstrate how to make the x-axis and y-axis appear on the TI-89 family, TI-92 family, and Voyage 200 when graphing. The axes need to be turned o...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11825
Solution 11822: Algorithm Used for the propFrac() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...e propFrac() function on the TI-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 funct...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11822
Solution 15468: Unlocking a Program on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... screen and highlight the program that needs to be unlocked.• With the name of the program highlighted, press [F1] [7].The lock symbol should now be removed from the name of the program.Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information. Solution 15468...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15468
Solution 11815: Finding a Maximum or Minimum of a Function on a TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculator.
...on, access the Math menu after graphing a function. Then, from the menu that appears, select the calculation to be performed. The example below will demonstrate how to find a maximum of a function. Please Note: The function graphed must actually have a maximum or minimum in order for it to be cal...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11815
Solution 11813: Using Local Variables in Functions or Programs on the TI-89 Family, TI-92 Plus, and Voyage™ 200.
... Knowledge Base Search How can I use a local variable on the TI-89 family, TI-92 Plus, or Voyage 200? A local variable is a temporary variable that exists only while a user-defined function is being evaluated or a user-defined program is running. As often as possible, use...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11813
Solution 12093: Displaying Asymptotes on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.
...art, starting at x = -9.0, assuming xres was set to its default value of 2. The distance on the x-axis between successive pixels is stored in the system variable Dx. Choosing different xmin or xmax values will change the value of Dx, and therefore it is less likely that one of the plotted points ...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.
...earch How do I create a scatter plot using the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The following example will demonstrate how to create a scatter plot using the TI-89, TI-92 Family, and Voyage 200. Data for example: Access the data matrix editor: 1) ...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.
...ase Search How do I plot a histogram using the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The following example 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...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12091