Solution 11694: Algorithm Used for Calculating the Inverse of a Matrix on a Texas Instruments Graphing Calculator.
...sition 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 the product of a lower triangular matrix (named L), and an upper triangular matrix (named U), this can be written ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11694
Solution 11521: Installing New TI Key Fonts on a Windows® Computer.
...the steps below to install new TI Key Fonts on a computer running 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 pres...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.
...soft® Word. • Place the cursor where the symbol should be inserted. • Click Insert>> Symbol. • In the Symbol window, under the Font field, click the arrow and select TI83Key. • Select the key to insert and click Insert. Note: Another option is to use the system Character Map to insert the symbol...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11774
Solution 11516: Updating a Graphing Calculator's Operating System using the TI Connect™ Software for Macintosh®.
...ata on the calculator. • An alert will appear explaining that data will be erased during the OS update, click [Proceed] to continue installing the OS.If you have questions about the information listed above, please contact TI-Cares for additional assistance. Solution 11516: Updating a Graphing C...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11516
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.
...supported for use with the TI-Nspire Computer Link or TI-Nspire 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 ins...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/22590
Solution 11366:Maximizing a Linear Function with the Inequality Graphing Application on the TI-83 Plus and TI-84 Plus.
... X-variables and Y-variables that are a part of the intersection are displayed at the top left corner (in this case Y1 and Y2). Press the up or down arrows keys to move for one X or Y function to the next. Press the right or left arrows keys to move from one point to another along the same X or Y...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11366
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.
...TI TestGuard App deletes programs, lists, applications, and other stored data from a student's calculator. Teachers also have the option to leave specific Apps on student calculators. In addition, TI TestGuard App uses a password feature to confirm that the calculators have been cleared as setup ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11362
Solution 11761: Graphing a Circle on a TI Graphing Calculator.
...for a circle would need to be solved for Y. To graph the unit circle (x2+y2=1), first, solve for y, and then input the results into the Y= Editor. If the graph looks like an oval, use the Zoom Square feature followed by Zoom In or Zoom Out to change the viewing window. The graphs will be displ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11761
Solution 11312: Creating a Pie Chart Using the CellSheet™ App on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...press the [GRAPH] key for Menu • Press [4] for Charts • Press [7] for Pie • Next to Categories, input A1:D1. Make sure to include the colon. This specifies the title of each piece of the pie. • Next to Series, input A2:D2. This specifies the actual numbers the pieces of the pie represent. • The n...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11312
Solution 34420: Performing T-Test Computations Using the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... home screen. Computing the T-Test: 1) Press [STAT] and scroll to the left to highlight TESTS menu. 2) Press [2] to select the T-Test function. 3) If "Data" is not selected, move the cursor to highlight Data and press [ENTER]. 4) Input 30.5 for the claimed value of m0. 5) Make sure List: is se...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34420
Solution 11758: Functionality of the Function Keys [F1 - F5] on the TI-83 Family, TI-89 Family, TI-92 Family and Voyage™ 200.
...1 - F5] are used to access certain menus and commands. Some calculator software applications (apps) will display "softkeys" on the screen that will correspond to these function keys. Also, keep in mind that on some graphing calculator models, the [ALPHA] key must be pressed prior to accessing the...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11758
Solution 11752: Calculating Derivatives on the TI-83 Plus Family of Graphing Calculators.
...culators can only calculate numeric derivatives. For Example: Find the numeric derivative of f(x)=x² at x=2 1) Press the [MATH] key. 2) Press [Down Arrow] until 8:nDeriv( is selected and press [ENTER]. 3) Press [X,T,θ,n] [x²] [,] [X,T,θ,n] [,] [2] [)] [ENTER]. Additional Note: The TI-83 Plus f...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11752
Solution 30651: Calculating a Median-Median Regression on the TI-83 Plus Family of Graphing Calculators.
...ch entry. 3) Press [2nd] [QUIT] to leave the editor. To calculate the Med-Med line, please follow the steps below:1) Press [STAT] then the [Right Arrow] to select CALC.2) Press [3] to select Med-Med.3) Press [2nd] [1] [,] [2nd] [2] [,] [Vars] [Right Arrow] to select Y-Vars [1] [1] [Enter] to p...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/30651
Solution 34921: Graphing a Vector on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...nits with the direction 30 degrees. To convert the vector to rectangular coordinates: 1) Press [MODE] and make sure that the DEGREE mode is selected. If DEGREE is not selected, scroll down and over to DEGREE and press [ENTER], then press [2nd] [MODE] to return to the home screen. 2) Press [2nd] [...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34921
Solution 34920: Graphing an Inequality Containing the Absolute Value on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...TH]. • Scroll right to highlight NUM and press [1] to select abs(. • Press [2] [X,T,θ,n] [+] [3]. Next for the TI-84 Plus Family: Press [Right Arrow] to move to the right of the absolute value equation. For the the TI-83 Plus Family press [ ) ]. • Press [2ND] [TEST] [3] to select > then...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34920
Solution 34919: Calculating the Present Value of a Perpetuity (Infinite Annuity) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...I-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 these units do not have a way to specify an infinite number o...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34919
Solution 11893: Saving Text to a TI Graphing Calculator.
...sting program: 1) Press [PRGM] [F2] 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 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11893
Solution 34912: Running an Assembly Program on the TI-84 Plus C Silver Edition, TI-84 Plus and TI-83 Plus.
... press [ENTER]. • Press [PRGM] and select the name of the program under the EXEC menu. • Press [ENTER]. • The display will read: Asm(program name). If this procedure does not execute the programs, then consult the individual(s) from whom the program was received or the Readme files from the sit...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34912
Solution 34893: Disabling the STAT Wizards on the TI-84 Plus Family of Graphing Calculators.
... of graphing calculators? The STAT wizards prompt the user for all the necessary input for a given statistical calculation which helps reduce syntax errors. Below 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 o...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34893
Solution 13342: Using the Exact() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... mode 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 exac...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13342
Solution 13323: Using the RandMat() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...the 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 pre...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13323
Solution 12650: Calculating Trigonometric Functions on the TI-81.
...I-81? The TI-81 can display the results of these calculations in both Radian and Degree mode. For Degrees: 1) Press the [MODE] key. Press the [down arrow] key 2 times. 2) Highlight Deg and press the [ENTER] key, this changes the mode from a default of radian to degree for the measurement of angl...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12650
Solution 13321: Using the Rand() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...TI-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,...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13321
Solution 12649: Calculating One-variable Statistics on the TI-81.
...the TI-81? Data for this example: x={87, 52, 97, 46, 75, 60} • Clear the screen then press [2nd] [MATRX] • Press the right-arrow key twice and press [ENTER] • The cursor will display after the x1 = • Enter the x-values after "x1 =" Press [8] [7] [ENTER] [1] [ENTER] [5] [...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12649
Solution 13305: Inserting and Deleting a Row, Column, or Cell in the Data/Matrix Editor on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...r column that is to be deleted. 2) Press [2nd][F6] and select 2:Delete 3) Select either 2:row or 3:column Any rows below the deleted row will shift up and any column to the right of the deleted column will shift left. Deleting a Cell in the Data/Matrix Editor: 1) Move the cursor to the des...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13305