Solution 34032: Calculating the Eigenvalues and Eigenvectors of a Matrix Using the TI-Nspire™ Family Products.
... Real or Complex and select Rectangular. • Scroll or tab down to Make Default and press [enter] twice to save the changes. • Press 4: Current to go back to the matrix calculation. • Press [menu], 7: Matrix & Vector, B: Advanced, 4: Eigenvalues (or 5: Eigenvectors), [M] [1] [enter]. Please see...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34032
Solution 26350: Recommendation for Disinfecting TI Handheld Products.
...ter isopropyl alcohol (available at any general merchandise “big box” store or drug store) to wipe down the graphing calculator's screen, keypad, or back. Do not attempt to clean the inside of any ports. Alternatively, you may put 70% or greater isopropyl alcohol in a spray bottle, lightly dam...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/26350
Solution 34853: Executing a Program on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...alculators? To execute a program on the TI-83 Plus and TI-84 Plus family of graphing calculators, follow the instructions below: 1) Press [PRGM] to access the PRGM EXEC menu. 2) Select a program name from the PRGM EXEC menu and press [ENTER] (prgmname is pasted on the home screen). 3) Press [E...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34853
Solution 34212: Calculating Cubic Regressions on the TI-Nspire™ Family Handhelds.
...he handheld: • Press [home] and select List & Spreadsheet and press [enter]. • Input the data in Column A and Column B lists, pressing [enter] after each entry. • Press the up arrow until you highlight Column A. • Input [x] to name Column A • Press the right arrow until you highlight Column B. •...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34212
Solution 24631: The Computer Algebra System (CAS) and Texas Instruments Graphing Calculators.
...T PRODUCTS OTHER/DISCONTINUED PRODUCTS TI-Nspire™ CAS Teacher Software and TI-Nspire™ CX CAS Teacher Software TI-89 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/24631
Solution 35072: Troubleshooting a TI-84 Plus C Silver Edition Graphing Handheld That Will Not Charge in the Charging Station.
... that it states that it is 1000 mA or higher.2) Verify the USB cable is completely pushed into the handheld and it is a tight fit.3) Initiate a USB activity by putting the unit in Receive or Transmit mode (no need to connect to another device).4) Press the RESET button on the back of the unit...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/35072
Solution 34232: Finding Common Denominators on the TI-Nspire™ CAS Family.
...omDenom((y2 + y) /((x + 1)2) + y2 + y) • Press [home]. • Press [A] or choose to add a Calculator App. • Press [menu] [3] [9] [4]. • Press [ctrl] [fraction template]. This is the key that is activated by pressing [division]. • Press [Y] [x2] [+] [Y]. • Press [tab]. • Press [(] [X] [+] [1] [)] [x...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34232
Solution 23530: Examples and Differences Between Expressions, Equations and Inequalities.
...uments that evaluate to a single answer. For example: A + 2A An equation is a mathematical statement, in symbols, that has two expressions that are exactly the same (or equivalent). For example: A + 2A = 3A An inequality is a statement about the relative size or order of two expressions. For exam...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/23530
Solution 34578: Steps to Borrow and Return a Concurrent License Using TI-Nspire™ Family Software.
... the license by clicking [Help] [Manage Subscription] [Return Borrowed License]. If you have questions about the information listed above please contact TI-Cares for additional assistance. Solution 34578: Steps to Borrow and Return a Concurrent License Using TI-Nspire™ Family Software. ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34578
Solution 34971: Steps to Graph a Linear Inequality in Terms of x on the TI-Nspire™ Family.
...elow steps will only work within a graphs page in a document and will not work in the Scratchpad Graph. 1) From a Graphs page press [Menu] [1] [7] to access the text cursor. 2) Next press [Enter] to open the text entry box. 3) In the text entry box enter the inequality [x] [>] [1] and press [E...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34971
Solution 39837: How to clean up "leaky" AAA or AA batteries on a TI calculator
...aking” from alkaline batteries (like typical AAA or AA batteries you buy at the store) often looks like a white, powdery substance. This substance is actually a base (alkaline), not an acid. How can I help prevent alkaline batteries from leaking or corroding in my calculator? Texas Instruments re...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/39837
Solution 36921: TI-84 Plus CE when at low battery may display an Xmit error.
...ditions (technically below the <5% threshold of remaining battery), if a user attempts to perform a unit to unit communication the communication/transaction may not complete.When encountering a low battery situation, the system notifies the user that they should recharge their battery. In low ba...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36921
Solution 36981: After attempting to update my operating system TI-Connect CE™ continues to display "Validating OS...“ on the TI-84 Plus Family
...r the OS updates. Simply close the TI Connect CE app and reopen after updating your OS. If the steps above do not resolve your issue please contact TI-Cares for additional assistance. Solution 36981:Attempt to Update Operating System in TI-Connect CE™ Continues to Display "Validating OS.....https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36981
Solution 35774: Transferring TI-Nspire Documents to and from the Computer and TI-Nspire™ Family Handheld Using TI-Nspire Computer Link Software.
...held using TI-Nspire Computer Link Software? Please Note: If you are attempting to transfer files using the TI-Nspire Student Software or TI-Nspire Teacher Software please visit Knowledgebase Article #26210. Follow the steps below to transfer a TI-Nspire document from the computer to the TI-Nspir...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35774
Solution 35914: Calculating the Central Difference Quotient of an Expression on the TI-Nspire™ CAS Family.
... [►]. 7) Press [ctrl] [|] [►] [►] [▼] [enter]. 8) Press [X] [=] [Pi] [enter] [/] [2] [enter]. When using List1 or Matrix1, the operation gets mapped across the values in the list or across the matrix elements. 1) Press [catalog] [C], scroll to centralDiff(, and press [enter]. 2) Press [X] [x2] [...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35914
Solution 40351: Statement on California Proposition 65
Solution 40351: Statement on California Proposition 65 global website Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search D...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/40351
Solution 35955: Creating A Polar Rose With TI-Nspire™ Family Handhelds
... is the theta symbol. 1) Press the [home] key on your handheld, and then choose the option to insert a Graphs page. 2) Press [Menu], [3], [4], which access the graph entry for Polar Functions. 3) Press [5], [*], [trig], [Enter], [6]. 4) Press [pi], select the [Θ] icon, and press [ENTER]. 5)...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35955
Solution 35994: Using the Constraint "|" Operator with Defined Derivative Function Gives Unexpected Answer on the TI-Nspire™ CAS Family.
...be -12, however the calculator will return an answer of positive 14. The reason for this is when entering the constraint of x=k, the TI-Nspire CAS is actually computing the expression below: derivative(derivative(1/k*k^3-9*k^2+15*k*k,k),k) To receive the expected answer, you must first simplify ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35994
Solution 24631: The Computer Algebra System (CAS) and Texas Instruments Graphing Calculators.
...T PRODUCTS OTHER/DISCONTINUED PRODUCTS TI-Nspire™ CAS Teacher Software and TI-Nspire™ CX CAS Teacher Software TI-89 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/24632
Solution 39258: Create a New TI-Nspire Navigator Class Database.
...ew TI-Nspire Navigator class database you would need to remove the existing database using the steps below:Windows:1) Close the TI-Nspire Navigator Teacher Software if it is open2) Press [Windows key]+[R] to open the run dialog then type the text below in the dialog then click [OK]:%localappdata%...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/39258
Solution 10389: Differences in Features Between the TI-82 and TI-83.
...82 and TI-83? The TI-82 includes the functionality of the TI-83 with the following improvements.• Multiple graph styles to differentiate the look of each graph• Graph-Table split screen (in addition to the horizontal split screen)• An interactive Equation Solver• Ability to give names to lists, a...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10389
Solution 35013: Using the Chi-Squared Goodness of Fit Test on the TI-Nspire™ Family Products.
...e of freedom 5 1) Press [home] and add a Lists & Spreadsheet. 2) In column A, input the values from "X List", making sure to press [enter] after each entry. 3) In column B, input the values from "Y List", making sure to press [enter] after each entry. 4) Press [menu]. 5) Press 4: Statistic...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35013
Solution 10390: Different File Extensions for the TI-83.
...lculator files on the PC. Please Note: Files that are transferred to the calculators must have these extensions to function correctly. TI-83: • .83b Backup memory image • .83c Complex variable • .83d GDB (graph database) • .83e Expression (numbers, equations, etc.) • .83f Function (Y-Vars, user-d...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10390
Solution 29710: Calculating Combinations and Permutations on the TI-Nspire™ Family Products.
...: 1) Press [Menu] [5] [3] to select nCr( 2) Input 10,3) 3) Press [Enter] Example: How many possible permutations of first, second, and third place be awarded in a race between 10 people? This example would be calculated using permutations, since the order of the results matter. The equati...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/29710
Solution 37715: Program commands that use the left and right parentheses display an unexpected syntax error on the TI-84 Plus CE™.
... and right parentheses display an unexpected syntax error on the TI-84 Plus CE™? There may be an expectation that some syntax entry is valid when in fact it is not.Example:• Create TI-Basic programs with various formats of Wait command argument.• Enter valid input:Wait (500/4076*60)Wait 500/4076*...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37715