Solution 36981: After attempting to update my operating system TI-Connect CE™ continues to display "Validating OS...“ on the TI-84 Plus Family
...alidated, the TI-Connect CE Calculator Explorer context that displays "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 t...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.
...puter and TI-Nspire Family Handheld 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 fr...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.
...Calculator. 2) Press [doc] [7] [2]. 3) Press [▼] [►] select Radian and press [enter] [enter]. When using the central difference quotient formula it returns the numerical derivative. 1) Press [catalog] [C] and scroll down to centralDiff( and press [enter]. 2) Press [trig] [►] [enter]. 3) Press [X...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35914
Solution 35935: Computing the Average Rate of Change of an expression on the TI-Nspire™ CAS Family Products.
...n expression, list, and matrix. This function is found under [catalog]. The syntax is avgRC(Exp, Var[=Value][,Step]). An Average rate of change returns the forward-difference quotient. Expression 1 can be a user-defined function. 1) Press [catalog] and scroll down to avgRC( and key in the fo...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35935
Solution 35994: Using the Constraint "|" Operator with Defined Derivative Function Gives Unexpected Answer on the TI-Nspire™ CAS Family.
...on on the TI-Nspire CAS Family? When using the constraint "|" operator with any defined derivative function, the TI-Nspire CAS Family will make substitutions within the function prior to any simplification. For example, if you use a calculator page and define the function below: ddf(x,k):=deriv...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.
... Navigator™ Teacher Software TI-92 Plus TI-Nspire™ CAS Student Software and TI-Nspire™ CX CAS Student Software TI-92 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/24632
Solution 10390: Different File Extensions for the TI-83.
... .83d GDB (graph database) • .83e Expression (numbers, equations, etc.) • .83f Function (Y-Vars, user-defined functions, etc.) • .83g Group • .83i Picture • .83l List • .83m Matrix • .83n Number • .83p Program • .83s String variable • .83t Table Setup • .83w Window Setup • .83y Y= Equation • .83z...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10390
Solution 37715: Program commands that use the left and right parentheses display an unexpected syntax error on the TI-84 Plus CE™.
Solution 37715: Program commands that use the left and right parentheses display an unexpected syntax error on the TI-84 Plus CE™. Solution 37715: Program commands that use the left and right parentheses display an unexpected syntax error on the TI-84 Plus CE™. global Solution 37715: Prog...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37715
Solution 38395: Sending Unprompted Files from a TI-Nspire Family Handheld and Viewing them within TI-Nspire Navigator Family Software.
...y handheld and view them within the TI-Nspire Navigator Family Software please follow the steps below: TI-Nspire Family Handheld: 1) First login a student into the class session by pressing [Home] [5 Settings] [5:Login] and enter the students user-name and password. 2) Next open the document yo...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/38395
Solution 10631: Calculator Usage Guidelines for the ACT® test.
... The ACT allows the use of certain kinds of calculators on the Mathematics Test only. For test security reasons, to avoid disturbances in the testing room, and to ensure fairness for all test takers, the following types of calculators are not permitted: • Pocket organiz...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10631
Solution 33551: Finding the Arc Length of an Expression on the TI-Nspire™ CAS Family Line.
...h on the TI-Nspire CAS family line? To find the arc length fo an expression from a start to an end use the arcLen() function. The arcLen() function returns the arc length of an expression from start to end with respect to the variable var. When used with a list, it returns a list of arc lengths o...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33551
Solution 11128: Availability of Graphing Calculator Suitcases.
... The specially designed suitcase used by the Texas Instruments Workshop Loan Program is a useful storage solution for TI graphing calculators. This sturdy suitcase is suitable for shipping TI graphing and ViewScreen™ calculators. This suitcase holds up to 30 TI graphing calculators. The suitcas...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11128
Solution 33791: Using the Floor ( ) Function on the TI-Nspire™ Family Products.
...ledge Base Knowledge Base Search How can I use the floor( ) function on the TI-Nspire family products? The floor function returns the nearest integer that is less than or equal to its argument. This function is identical to the int ( ) function. The argument can be a rea...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33791
Solution 11307: Calculator Software Applications (Apps) Bundled with the TI-84 Plus Silver Edition Graphing Calculator.
...inder and Simultaneous Equation Solver Version 2.0 • Probability Simulation App • Puzzle Pack App • Science Tools App • Start-Up Customization App • StudyCards™ App • Topics in Algebra 1 (Chapters 1- 5) App • Transformation Graphing App • Vernier EasyData™ App For a additional information about t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11307
Solution 11308: Calculator Applications (Apps) that Can be Used in Biology on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...t can help to understand Biology. Try out one of these Apps: Probability Simulation App for the TI-83 Plus and TI-84 Plus Families - Use this App to study probability, and apply learning to genetics.CellSheet™ App for the TI-83 Plus and TI-84 Plus Families - Organize data (like growth over time) ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11308
Solution 11309: Calculator Applications (Apps) that Can be Used in Physics on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...tor, and then export the data to Microsoft Excel®.NoteFolio™ - Take lab notes on the calculator, and then import them into Microsoft Word® software. StudyCards™ - Create virtual flash cards to help review information or study for a physics tests!Fundamental Topics in Science - Brush up on science...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11309
Solution 11979: Purpose of the GarbageCollect Function on the TI-83 Plus Family, TI-84 Plus Family or TI-Nspire™ Handheld in TI-84 Plus Mode.
...ing variables into consecutive blocks. When a variable is unarchived, the amount of free Archive memory increases immediately, but the space is not actually available until after the next garbage collection. To use the GarbageCollect function, follow the steps below: 1) Press [2ND] [0] to displa...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11979
Solution 12212: Correcting an Error in Xmit Error Message when Transferring Data Between Two Graphing Calculators.
... How can I troubleshoot an Error in Xmit error message when transferring data between two graphing calculators? The Error in Xmit error message is returned when a connection cannot be established between two calculators when attempting to transfer data. There are several factors that can contrib...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12212
Solution 11890: Registering a Texas Instruments (TI) Graphing Calculator on the TI Online Store.
... Knowledge Base Knowledge Base Search Is it necessary to register the calculator for Warranty verification purposes? Congratulations on the purchase of your new TI product! TI provides a one-year limited warranty against defective materials and construction. It is not n...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11890
Solution 12216: Graph of nDer(sin(x)) on Graphing Calculators is Different in Degrees and Radians.
...rivative is different. In radians, the derivative of sin(x) is cos(x). In degree mode, the derivative of sin(x) is (p*cos(x))/180. This effectively returns a radian result for the derivative. Please see the graphing calculator guidebooks for additional information. Solution 12216: Graph of nDer(...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12216
Solution 13004: Troubleshooting a TI-Presenter™ Not Showing the Calculator Image on the TV Screen.
...oblem: TV Screen is Different from the calculator display but is not the splash screen or busy screen. Solution: • Press [CLEAR] on the calculator. • Turn Off the calculator, then turn it back on and start the input again. • Make sure the calculator cable connector is fully inserted into the TI V...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/13004
Solution 14510: Unexpected Results for Standard Normal Cumulative Distribution Using the normalpdf () Function on TI-83 Plus Family or TI-84 Plus Family Graphing Calculators.
...pute standard normal cumulative distribution using the normalpdf() function, is not included in the TI-83 Plus family or TI-84 Plus family list of features. Please see the TI-83 family and TI-84 Plus family guidebooks for additional information. Solution 14510: Unexpected Results for Standard N...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/14510
Solution 11778: Different Logistic Regression Models Available On Current Texas Instruments Graphing Calculators.
...)). The TI-89 family, TI-92 family and Voyage 200 fit the curve to the more general equation: Y = a/(1 + b*exp (-c*x)) + d. This therefore will return a different answer than the TI-83 family, TI-84 Plus family, TI-Nspire family, and TI-Nspire handheld in TI-84 Plus mode. A free Statistics w...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11778
Solution 29690: Calculating Inverse of a Matrix Using the TI-Nspire™ Family Products.
...ut your values into the matrix template. And using your touch/click pad arrow to the top right corner of the matrix and input -1. Inputting -1 will return the inverse matrix. 8) Press Enter after inputting your values and you have placed -1 in the top right corner of the matrix for the inverse. ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/29690
Solution 11357: Useful Calculator Software Applications (Apps) that Can Help With Chemistry on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...uding scientific notation, measurements (units, accuracy, and precision), scientific method, graphical relationships, data analysis, and vectors. • StudyCards™ App: - Create virtual flash cards to review information or study for tests. • NoteFolio™ App: - Take lab notes on a TI calculator using...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11357