Solution 12208: Calculating Covariance on TI Graphing Calculators.
...ta stored in the X and Y lists is given by [sum(x's - mean of x)(y's - mean of y)]/(n-1). The correlation coefficient is given by Covariance/(Sx*Sy), where Sx and Sy are standard deviations for x and y values respectively. TI calculators, graphing or scientific, do not have to ability to calcul...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12208
Solution 37041: Taking screenshots from the TI-84 Plus family of calculators and saving them as image files using TI Connect CE™
...m the TI Connect CE main menu, click on “File” and select “Save”, or click on the “Save” icon on the Capture Screen Workspace and select the location where you would like the file to be saved on your computer. The screen capture workspace lets you save captured or existing images from your calcul...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/37041
Solution 37038: Backup and restore TI-84 Plus family graphing calculator files to a computer using TI Connect CE™ software.
...To select multiple individual files, click on the first file, then press the [Ctrl] key on your Windows® computer or [Command] on a Mac® computer and while holding it down, select the other files by clicking on them. 6) Drag and drop the selected file(s) into a folder on your computer or onto you...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/37038
Solution 11134: Editing Programs and Typing Using the TI Keyboard Without Using the NoteFolio™ App.
...possible to edit programs or type within apps (other than the NoteFolio app) on the TI-83 Plus and TI-84 Plus family of graphing calculators However, when using the TI-89 family, TI-92 Plus, or Voyage™ 200 graphing calculator, the TI Keyboard can be used to type text and numbers anywhere, includi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11134
Solution 12187: Blocking or Disabling Texas Instruments Graphing Calculators Communications Capabilities.
...dge Base Knowledge Base Search Can I block or disable a graphing calculator's communications with a program or application? While Texas Instruments graphing calculators have the ability to perform many wonderful tasks, there is no way to block or disable the communicatio...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12187
Solution 11181: Creating a Backup of the Files on a Graphing Calculator Using TI Connect™.
...to keep the file name. 5) Press OK to start the back up file transfer.Please Note: This procedure will create a backup of all files contained in RAM. When selected, Flash applications will also be included in the backup. Solution 11181: Creating a Backup of the Files on a Graphing Calculator Usi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11181
Solution 11720: Calculating Y-Hat Values on the TI-83 Plus Family of Graphing Calculators.
... calculate y-hat values on the TI-83 Plus family of graphing calculators? After finding the regression equation for a data set, it is helpful to know what y-value the regression equation would predict for any x-value from the data set. This corresponding y-value is denoted y-hat. Y-hat values are...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11720
Solution 16069: Capturing Calculator Screen Images Using the TI-SmartView™ for the TI-84 Plus Family Software.
...g TI-SmartView for the TI-84 Plus family software? Users can capture the current calculator screen image using the TI-SmartView screen capture tool. When users capture a screen, the Screen Capture window is displayed. In this window, users can view, manipulate, and save screen images. To take a ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/16069
Solution 15143: Storing a Function to a List on the TI-83 Plus Family of Graphing Calculators.
... to define lists. For example using the defined L1 above add 5 to L1 values and store to them L2: • Press [2nd] [L1] [+] [5] [STO>] [L2] [ENTER]. When the values in L1 change, the values will update automatically. Please see the TI-83 Plus Family guidebooks for additional information. Sol...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/15143
Solution 15142: Connecting a Vernier Microphone (MCA-CBL) and Other Non Auto-ID Probes to a TI-82, TI-83 Family and TI-84 Plus Family Graphing Calculator and a CBL™ or CBL 2™.
...sors will appear.• Select a sensor or select MORE to see another list of sensors.Note: Selecting some sensors may produce another set of choices from which the user can select a particular sensor or unit.Please see the CBL and CBL 2 guidebooks for additional information. Solution 15142: Connect...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/15142
Solution 11694: Algorithm Used for Calculating the Inverse of a Matrix on a Texas Instruments Graphing Calculator.
... How is the inverse of a matrix calculated? Texas Instruments graphing calculators use a LU (Lower-Upper) decomposition or factorization algorithm when calculating the inverse of a matrix (reference "Numerical Methods and Software" by Kahaner, Moler, and Nash).If A is a square matrix and is ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11694
Solution 11693: Algorithm for Solving Trigonometric Functions (Sine, Cosine and Tangent) on Texas Instruments' Graphing Calculators.
...ther polynomial approximations or the CORDIC method. TI calculators have almost always used CORDIC, the exceptions being the CC-40, TI-74 and TI-95 which used polynomial approximations. In the PC world, the popular Intel math co-processors like the 8087 use CORDIC methods, while the Cyrix 83...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11693
Solution 11799: Using Memory Variables on TI Graphing Calculators.
... 5) Press [ENTER] and the value is stored to the variable To recall the variable's content: 1) Press [2nd][RCL][2nd][TEXT] 2) Select the variable to which the value was stored and press [ENTER] 3) Scroll to Done and press [ENTER] 4) Press [ENTER] to recall the content of the variable Please Note...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11799
Solution 13924: TI TestGuard 2.0™Quick Start Instructions.
...he exam is over. • Set the initial angle to the desired preference. DEGREE is the factory default. • Select the initial setting for Stat Diagnostics, which offers the ability to view the r and r^2 values in statistics. The factory default for this setting is ON. • Select NONE for APPS TO KEEP. • ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13924
Solution 11582: Finding the Zero of a Function on the TI-83 Plus and TI-84 Plus.
... Example: Find the zero of the function: y = 2X + 4 Solution: 1) Press [Y=]. 2) Enter the function. 3) Press [GRAPH]. 4) Press [2nd] [CALC] [2]. 5) When prompted for "Left Bound?", specify the left bound for x using the arrow keys or enter a value and press [ENTER]. 6) When prompted for "Right ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11582
Solution 15302: Connecting a TI-83 Plus Family or TI-84 Plus Family Calculator to the TI-SmartView™ 3.1 Emulator Software.
...will place a square marker next to the program name. Multiple programs can be selected as well by going to another program name and pressing [ENTER]. When finished, press [right arrow key] [ENTER].Please see the TI-SmartView guidebook for additional information. Solution 15302: Connecting a TI-8...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/15302
Solution 11521: Installing New TI Key Fonts on a Windows® Computer.
...ng Windows®:• Download the TI Key Fonts and save the file to the computer's Desktop. • If the file is an [EXE] [Double Click] the downloaded file and when prompted click "Browse" select Desktop and click "OK" then "Unzip". • Next press and hold the [Windows] key and press [R] to open the run dial...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11521
Solution 11774: Inserting TI-83 Family and TI-84 Plus Family Calculators Key Symbol Into a Microsoft® Word Document.
...ck on either the TI-83 Plus Key fonts for Windows or for Macintosh(r) links on the fonts website. A Save As window will appear. • Select the location where to save the file and click Save. The file will download and be saved as 83keys.exe. • Go to the location where the file is located. • Double-...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11774
Solution 11773: Implied Multiplication Versus Explicit Multiplication on TI Graphing Calculators.
...ow users to enter expressions, in the same manner as they would be written. For example, the TI-80, TI-81, TI-82, and TI-85 evaluate 1/2X as 1/(2*X), while other products may evaluate the same expression as 1/2*X from left to right. Without this feature, it would be necessary to group 2X in paren...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11773
Solution 22590: TI-Nspire™ Handheld in TI-84 Plus Mode Not Capable of Connecting to TI-Nspire Computer Link or TI Connect-to-Class™ Teacher Software.
... Teacher software? The TI-Nspire Computer Link and TI-Nspire Teacher software are specifically designed to work with the TI-Nspire family handheld. When using the TI-Nspire handheld in TI-84 Plus mode (with the TI-84 Plus Keypad inserted), communication between the handheld and computer can onl...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/22590
Solution 11767: Graphing an Ellipse on a Texas Instruments Graphing Calculator.
...ation 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 equation for an ellipse with its center at point (h,k) is, ((x-h)2/a2)+...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11767
Solution 11765: Graphing a Hyperbola on a TI Graphing Calculator.
Solution 11765: Graphing a Hyperbola on a TI Graphing Calculator. Solution 11765: Graphing a Hyperbola on a TI Graphing Calculator. global Solution 11765: Graphing a Hyperbola on a TI Graphing Calculator. website ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11765
Solution 11362: Using the TI TestGuard™ Application to Clear the RAM and Archive Memory on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...te variables, programs, and applications from a student's calculator? The TI TestGuard App is a tool that teachers can use to gain more control over what data, programs, and Calculator Software Applications (Apps) are on students' TI graphing calculators during class time and tests. The TI Test...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11362
Solution 11312: Creating a Pie Chart Using the CellSheet™ App on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... the [APPS] key and select the "CelSheet" app. • Create a new spreadsheet using the following data. The titles of week 1 - week 4 will go in A1 - D1. When putting "words" into a cell using the CellSheet App, quotations must be used around the words. • The amount of money spent each week will go i...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11312
Solution 34921: Graphing a Vector on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...=] [ENTER] to access the STAT PLOT Editor. 2) With the ON option highlighted, press [ENTER] to turn on Plot1. 3) For Type:, select the second option which is an X-Y Line graph. 4) For the Xlist option, input L1. If L1 is not already displayed, press [2nd] [1] to input L1. 5) For the Ylist option...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34921