Solution 36981: After attempting to update my operating system TI-Connect CE™ continues to display "Validating OS...“ on the TI-84 Plus Family
...ear. This is a deficiency in the TI Connect CE and TI-84 Plus family connection. To Resolve this issue: Unplug the Graphing Calculator from the computer and re-plug. Turn your device on after the OS updates. Simply close the TI Connect CE app and reopen after updating your OS. If ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36981
Solution 35994: Using the Constraint "|" Operator with Defined Derivative Function Gives Unexpected Answer on the TI-Nspire™ CAS Family.
...owever 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 the expre...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35994
Solution 39258: Create a New TI-Nspire Navigator Class Database.
...R] to open the run dialog then type the text below in the dialog then click [OK]:%localappdata%3) In the above folder rename or delete the "Texas Instruments" folder which contains the TI-Nspire Navigator class database.Mac:1) Close the TI-Nspire Navigator Teacher Software if it is open2) Launch ...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.
...on to the horizontal split screen)• An interactive Equation Solver• Ability to give names to lists, attach formulas to lists, and enter 999 elements (compared to 99 on the TI-82)• Logistic Regression and Sine Regression• More random number generator functions• An alphabetical CATALOG menu of all ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10389
Solution 10390: Different File Extensions for the TI-83.
...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-defined functions, etc.) • ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10390
Solution 10391: Linking a TI-83 Family or TI-84 Plus Family Graphing Calculator to a TI-82 Graphing Calculator.
...ists L1 through L6 with up to 99 elements can be transferred from a TI-83 family / TI-84 Plus family calculator to a TI-82 using the Lists to TI82... command in the LINK Send menu. The software that enables this communication is built into the TI-83 family / TI-84 Plus family calculator. The o...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10391
Solution 37716: Scrolling a large list on the TI-84 Plus CE™ home screen displays odd information.
Solution 37716: Scrolling a large list on the TI-84 Plus CE™ home screen displays odd information. Solution 37716: Scrolling a large list on the TI-84 Plus CE™ home screen displays odd information. global Solution 37716: Scrolling a large list on the TI-84 Plus CE™ home screen displays od...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37716
Solution 10642: Educational Technology Use Guidelines for College Board® Examinations.
...ogy may I use on College Board examinations? A variety of College Board examinations now permit the use of educational technology, such as Texas Instruments graphing calculators. Test takers are encouraged to bring their Texas Instruments approved calculator with them to the exam, even if they d...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10642
Solution 10650: Proving Ownership of Lost/Stolen Calculators.
... Knowledge Base Search Are there any means of proving ownership of lost/stolen TI calculators? Texas Instruments does not register serial numbers for TI calculators Please Note: Texas Instruments does not replace stolen/lost calculators. If you have q...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10650
Solution 11128: Availability of Graphing Calculator Suitcases.
...owledge Base Search Where can the suitcases for TI graphing calculators be purchased? 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 a...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.
...rns 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 real or complex number, a number, a list or a matrix. The proper syntax for the floor function is floor(expression). Example 1: Floor (2.14) 1) Press [ho...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.
...ge Base Search What Calculator Software Applications (Apps) are preloaded with the TI-84 Plus Silver Edition? The TI-84 Plus Silver Edition comes preloaded with the following Apps: • Area Formulas App • Cabri™ Jr. App • Catalog Help App • CellSheet™ App • Conic Graphing App • Fundamen...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.
...wledge Base Search Which applications (Apps) can I use in Biology on the TI-83 Plus and TI-84 Plus family of graphing calculators? Texas Instruments offers a wide range calculator software applications (Apps) that can help to understand Biology. Try out one of these Apps: Probability Sim...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11308
Solution 11483: Correcting the Error Message "TI-83 Plus or TI-89 detected, but could not get status" Using the TI Connect™ Software for Windows®.
...nect is installed on the PC. If using a TI-83 Plus family calculator: • Connect the TI Connectivity cable to the TI-83 Plus family calculator and the computer. • Do not start the TI Connect software. • Download the TI-83 Plus family v1.19 OS onto the PC's desktop. **Force the TI-83 Plus family ca...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/11483
Solution 11954: Differences Between the TI-83 Plus Family, TI-84 Plus Family and TI-86.
Solution 11954: Differences Between the TI-83 Plus Family, TI-84 Plus Family and TI-86. Solution 11954: Differences Between the TI-83 Plus Family, TI-84 Plus Family and TI-86. global Solution 11954: Differences Between the TI-83 Plus Family, TI-84 Plus Family and TI-86. website ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11954
Solution 11896: Standards Used to Verify Functionality of Graphing Calculators.
...ts. This protocol serves to provide TI with a level of confidence in not only product functionality but also the accuracy of the documentation that accompanies the product. As noted in the warranty statement, TI does not warrant products to be fit for a particular purpose nor does TI warrant soft...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11896
Solution 35314: Finding Critical Points Using the TI-Nspire™ CAS Family.
...ates how to use the differentiate and solve functions to find critical points. Example: Find the critical points using the solver and differentiation commands on the home screen for the following function: f(x)= x^3+x^2-5x-5 The first step to finding the critical points is to differentiate the ab...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35314
Solution 12212: Correcting an Error in Xmit Error Message when Transferring Data Between Two Graphing Calculators.
...ors when attempting to transfer data. There are several factors that can contribute to this error message. • The calculators being connected are not compatible for data transfer. • The data cable is not firmly connected to both units. • The receiving calculator is not in receive mode. • The I/O...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12212
Solution 11883: Graphing Calculator Seems to Slow Down When the TI Connectivity Cable is Inserted.
...se Search Why does my graphing calculator seem to slow down when the TI connectivity cable is attached? If the TI Connectivity cable is not completely inserted into the I/O port, it can cause the graphing calculator to appear to "slow down". The graphing calculator will usually respond ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11883
Solution 11410: Benefits of Calculator Software Applications (Apps) Over User-created Programs.
...M, rather than user RAM, so they keep user RAM available to store data. Apps cannot be accidentally removed from Flash ROM by resetting the RAM or by completely draining the batteries (dead batteries). Apps can be much more powerful and faster than a user-defined program. Apps have been developed...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11410
Solution 39479: Update the Operating System (OS) on multiple TI-Nspire CX Family Calculators using TI-Nspire CX Premium Teacher Software.
...uments. • Download the latest version of TI-Nspire CX, TI-Nspire CX CAS, TI-Nspire CX II, or TI-Nspire CX II CAS OS. • Connect the calculators to the computer via USB cable or TI-Nspire CX Docking Station. • Open the TI-Nspire CX Premium Teacher Software. • Click [Window] [Content Workspace] • ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/39479
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.
... Which chemistry calculator software applications (Apps) can I use on the TI-83 Plus and TI-84 Plus family of graphing calculators? Texas Instruments offers a wide range of Apps that are suitable for chemistry. Chemistry related Apps that can be used are listed below: • Periodic Table Ap...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11357
Solution 26990: Version Number Error Using Catalog Help On The TI-84 Plus™ Family.
...ou attempt to run it on the newer operating system. To download the latest version of Catalog help, please visit the link below: https://education.ti.com/en/software/details/en/4A72374E5E8C4AB6926F9B20A9C72FF6/83cataloghelp If the above information does not resolve the issue, please contact TI-Ca...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/26990
Solution 11877: Battery Voltage Required to Power a TI Graphing Calculator.
...he equivalent of four AAA batteries. When the battery power decreases through use, the contrast on the calculator's screen may need to be adjusted to compensate for the loss of power. In most cases, the batteries will need to be changed when the reduction in voltage reaches about 4.0 to 4.2 volts...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11877
Solution 22330: Using the Tab and Arrow Keys on a TI-Nspire™ Family.
...the Data Collection control bar is displayed, focuses on the Start/Stop button. 6) Sixth [tab] press: focuses on the graphing portion of the page and commits any editing changes. The pointer is active on the page. The [◄] [▲] [►] [▼] keys: 1) [▲] and [▼] - moves up and down among functi...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/22330