Solution 29850: Resolving Issues With TI-84 Plus Family Calculators That Display “Validating Operating System 100%” After An Operating System Update.
... Family Calculator displays the above screen after an OS update for an extended amount of time, then you may have a newer model of calculator that contains features to validate an operating system. To verify if you have this newer model of calculator, look on the back of the calculator for the se...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/29850
Solution 34331: Troubleshooting TI-SmartPad™ Application not Responding on Windows® 7 Platform.
...Windows® 7 Platform? The below troubleshooting steps can be tried if the TI-SmartPad application is not responding on Windows® 7 Platform: • Click [Start] [Control Panel] and launch [Device and Printers] • Look for a USB device with a yellow triangle exclamation point on it and [Right-Click] i...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34331
Solution 34711: Troubleshooting Error: Archived on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators
...w do I resolve Error: Archived on the TI-83 Plus and TI-84 Plus family of graphing calculators? When attempting to use a program, variable, or any data such as lists it is possible to get the following error message.: This may be received when attempting to use something that is archived in the...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34711
Solution 12028: Differences in the TI-84 Family Student and Teacher Calculators.
... Plus or TI-84 Plus Silver Edition calculator will connect to the current TI-83 Plus Viewscreen panel and the TI-Presenter using the TI-84 Plus Presentation Link™ (available separately). The TI-84 Plus Presentation Link is an adaptor that connects the new USB port on the TI-84 Plus Family calcula...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/12028
Solution 33051: Calculating lcm() (Least Common Multiple) of Two Arguments on the TI-Nspire™ Family Products.
...of fractional floating-point numbers is their product. For two lists or matrices, lcm() returns the LCMs of the corresponding elements. The proper syntax for the lcm() function are as follows: lcm(number1,number2) Þ expression lcm(list1,list2) Þ list lcm(matrix1,matrix2) Þ matrix Please Note: If ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33051
Solution 33931: Calculating and Graphing a Quadratic Regression on the TI-Nspire™ Family Products.
...mple will demonstrate how to calculate and graph a quadratic regression: x= {15; 25; 50; 50; 75; 80; 95} y= {4; 9; 20; 31; 55; 42; 73} To enter the data: 1) Press [home], select List & Spreadsheet, and press [enter]. 2) Enter the data in Column A and Column B, pressing [enter] after each entry. ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33931
Solution 34714: Correcting ERR: MEMORY on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ase available memory delete the contents of any variable (real or complex number, list, matrix, Y= variable, program, Apps, AppVars, picture, graph database, or string). To do this follow these steps: 1) Press [2nd] then [+] to display the MEMORY menu. 2) Press [2] to access Mem Mgmt/Del. 3) Pres...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34714
Solution 34032: Calculating the Eigenvalues and Eigenvectors of a Matrix Using the TI-Nspire™ Family Products.
...cument, 1: Add Calculator. • Press [menu], 7: Matrix & Vector, 1: Create, 1: Matrix. • Input 3 for Number or rows and 3 for Number of columns. Press [tab] to OK and press [enter]. • Input [(-)] [1] [tab] [2] [tab] [5] [tab] [3] [tab] [(-)] [6] [tab] [9] [tab] [2] [tab] [(-)] [5] [tab] [7] [ta...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34032
Solution 26350: Recommendation for Disinfecting TI Handheld Products.
... calculator. Texas Instruments has performed product testing of our calculator plastics, UV-cured inks, and paints to ensure these finishes can withstand gentle wiping with 70%-99% disinfectant alcohols without degradation of the product. For recommendations on how to care for and store a TI cal...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/26350
Solution 34193: Restoring Default Settings on the TI-Nspire™ Family Handhelds.
...w the steps below. • Press [home] which is the button with the picture of the house. • Press 5: Settings. • Press 2: Document Settings. • Scroll or tab to Restore and press [enter]. • Press [enter] again to save. Please see the TI-Nspire family products guidebooks for additional information....https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34193
Solution 34212: Calculating Cubic Regressions on the TI-Nspire™ Family Handhelds.
...ssion on a TI-Nspire Family handheld? Cubic Regression is a process by which the cubic (third degree) equation of "best fit" is found for a set of data. The following example will demonstrate how to calculate a cubic regression: X= {15, 25, 50, 50, 75, 80, 95} Y= {4, 9, 20, 31, 55, 42, 73} Key i...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.
... Knowledge Base Search What is the Computer Algebra System (CAS) and how does it relate to Texas Instruments calculators? CAS stands for "Computer Algebra System" and it is software that allows the manipulation of mathematical expressions in symbolic form. The principal dif...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/24631
Solution 34232: Finding Common Denominators on the TI-Nspire™ CAS Family.
...e comDenom command on the TI-Nspire CAS. This command returns a reduced ratio of a fully expanded numerator over a fully expanded denominator. The syntax for comDenom is listed below. comDenom (expression1 [, var]) The example below will demonstrate how to find common denominators of an expres...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.
...re numbers, variables, operators, functions, and their arguments 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 abo...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/23530
Solution 34391: Troubleshooting Difficulties updating TI-Nspire™ Family Handheld Units With Older Operating Systems.
... an old version of the TI-Nspire, follow these steps instead. Please Note: The steps below do not apply to the TI-Nspire CX family. Download and install one of the latest TI-Nspire family software. Next, follow these steps depending upon if it is a TI-Nspire or TI-Nspire CAS family handheld. TI...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34391
Solution 34578: Steps to Borrow and Return a Concurrent License Using TI-Nspire™ Family Software.
...n 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 35934: Correcting a Domain Error When Using the lcm() or gcd() Command on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators?
... family of graphing calculators? The input for lcm() and gcd() are either 2 non-negative integers or 2 lists of non-negative integers. The proper syntax for the gcd() and lcm() functions are listed below. gcd(valueA,valueB) gcd({listA},{listB}) gcd({list}, value) lcm(valueA,valueB) lcm({listA}...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/35934
Solution 33812: Algorithm Used for the cZeros() (Complex Zeros) Function on the TI-Nspire™ CAS Family.
...Base Knowledge Base Search What is the cZeros() (complex zeros) function algorithm used on the TI-Nspire CAS family? The syntax for the cZeros function on the TI-Nspire CAS family is given below: cZeros(expr, var) → list cZeros({expression1, expression2 [, … ] },{varO...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33812
Solution 36476: Resolving a Nonreal Answer/Ans Error on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...aphing calculators? When entering calculations in real mode, "ERROR: NONREAL ANSWERS" or "ERR:NONREAL ANS" is returned if the answer to a problem contains an imaginary number. For example, if your calculator is in real mode, and you try to compute for the square root of negative one, you get the...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36476
Solution 26370: Safely Removing a New Texas Instruments Calculator from the Plastic Clamshell Package.
... are not lost or stolen. To open the package, 1) Turn to the back of the packaging. For TI-83 Plus, TI-84 Plus, TI-84 Plus Silver Edition and TI-89 Titanium product and locate a small circular hole at the lower left-hand corner. For TI-Nspire™ and TI-Nspire™ CAS product locate a “Vee” shaped tab...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/26370
Solution 35032: Calculating the Eigenvalue and Eigenvector of a Matrix on the TI-Nspire™ CAS Family.
... 1 6 5] To create the matrix, insert a Calculator page and follow the steps listed below: 1) Press [menu] [7] [1] [1]. 2) Press [del] [3] [tab] [del] [3] [enter].3) Press [4] [tab] [5] [tab] [7] [tab].4) Press [4] [tab] [1] [tab] [8] [tab].5) Press [1] [tab] [6] [tab] [5] [tab].6) Pr...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35032
Solution 39837: How to clean up "leaky" AAA or AA batteries on a TI calculator
...I calculator with "leaky" AA or AAA batteries. What causes alkaline batteries to leak or corrode? All batteries gradually self-discharge (whether installed in a device or not), and dead batteries will eventually leak. Extremely high temperatures can also cause batteries to leak. The “leaking” fr...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.
... Knowledge Base Knowledge Base Search Why does the TI-84 Plus CE when at low battery display an Xmit error? In certain low battery conditions (technically below the <5% threshold of remaining battery), if a user attempts to perform a unit to unit communication ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36921
Solution 35074: Adding or Removing Rows and Columns Within Lists & Spreadsheets on the TI-Nspire™ Family Line.
...] or [▲] until the row or column desired to be deleted is highlighted.2) Press [ctrl] [menu].3) Select [Insert Row] or [Insert Column]. To clear data from a row or column without deleting the row or column itself: 1) Press [◄] or [▲] until the row or column desired to be deleted is highlight...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35074
Solution 36981: After attempting to update my operating system TI-Connect CE™ continues to display "Validating OS...“ on the TI-84 Plus Family
...Validating OS..." continues to displays. In some cases, when the handheld unit turns off and then turns on the device the Validating OS continues to stay on and you will be forced to close TI-Connect CE. In other cases, when the handheld turns off and then turns on the device on the Validating OS...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36981