Solution 29850: Resolving Issues With TI-84 Plus Family Calculators That Display “Validating Operating System 100%” After An Operating System Update.
...ating system update? If a TI-84 Plus 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 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/29850
Solution 30731: Using the TI-Nspire™ CX Reset Button.
...back of a TI-Nspire CX handheld is to use a paper clip or other fully solid object to press the reset button. Use of softer items or items that can leave debris (such as, but not limited to, a pencil, a twist-tie, etc.) can cause the reset circuit to remain complete after releasing the reset butt...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/30731
Solution 32931: Computing Cross Product Using the TI-Nspire™ Family Products.
... 7) Press the [Right Arrow] once. 8) Press [,] [ctrl] [ [ ] ]. 9) Press [4] [,] [5] [,] [7]. 10) Press [Enter]. Please Note: List1 and List2 must have equal dimension, and the dimension must be either 2 or 3. Both Vector1 and Vector2 must be row vectors, or both must be column vectors. Both v...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32931
Solution 34711: Troubleshooting Error: Archived on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators
... removed. 6) Once done press [2nd] then [mode] to exit and try executing the program or using the variable or data. Please Note: Applications always have an asterisk next to their name and this asterisk cannot be removed. Applications reside in the Archive memory and can be run from there, unarch...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34711
Solution 32991: Computing Cross Product on the TI-Nspire™ Family.
... ]. 4) Press [2] [,] [2] [,] [3]. 5) Press [►] [,] [ctrl] [ [] ]. 6) Press [4] [,] [5] [,] [7]. 7) Press [enter]. Please Note: List1 and List2 must have equal dimension, and the dimension must be either 2 or 3. Both Vector1 and Vector2 must be row vectors, or both must be column vectors. Both ve...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32991
Solution 12028: Differences in the TI-84 Family Student and Teacher Calculators.
... 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 calculator with the e...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/12028
Solution 33931: Calculating and Graphing a Quadratic Regression on the TI-Nspire™ Family Products.
...ic Regression. 12) Press the right arrow until you highlight 'x and press [tab]. 13) Press the right arrow again to highlight 'y and press [tab] to save the equation into [f1]. 14) Press [enter] to get the result of the quadratic regression. To graph the regression: 1) Press [home] and select ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33931
Solution 34032: Calculating the Eigenvalues and Eigenvectors of a Matrix Using the TI-Nspire™ Family Products.
... Document Settings. • Scroll or tab down to 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: Ei...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34032
Solution 26350: Recommendation for Disinfecting TI Handheld Products.
... in an effort to help prevent the transmission of a virus or other illness: 1. Use an alcohol wipe or “prep pad” of 70% or greater 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...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.
...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. Solution 34193: Restoring Default Settings on the TI-Nspi...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.
...: Cubic Regression • Press the right arrow until you highlight 'x and press [tab]. • Press the right arrow again to highlight 'y and press [tab] to save the equation into [f1]. • Press [enter] to get the result of Cubic Regression To graph the regression: • Press [home] • Select Graphs • P...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34212
Solution 34391: Troubleshooting Difficulties updating TI-Nspire™ Family Handheld Units With Older Operating Systems.
...pire family operating system? Older versions of the TI-Nspire family may not be able to be updated to the latest OS (Operating System) directly. If having difficulties updating an old version of the TI-Nspire, follow these steps instead. Please Note: The steps below do not apply to the TI-Nspire...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.
...iption] [Borrow License]. Please Note: You need to be connected to the same network as the concurrent license service in order for this option to be available. • Once this option is selected you will receive a dialog showing you the amount of days you can check out a license from the concurrent...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.
...e text entry box enter the inequality [x] [>] [1] and press [Enter]. 4) Next press [Esc] to dismiss the text cursor and then highlight the text you have entered and your cursor should become an open hand. 5) Once you see the open hand press [Ctrl] then [Click] the center touchpad to change the ...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
...culator to temperatures over 45 degrees Celsius (113 degrees Fahrenheit), such as in a hot car. How can I clean the battery compartment if batteries have leaked or corroded inside my calculator? Clean the contacts in the battery compartment with a clean, dry cloth or clean, dry, non-abrasive brus...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/39837
Solution 35774: Transferring TI-Nspire Documents to and from the Computer and TI-Nspire™ Family Handheld Using TI-Nspire Computer Link Software.
...le. • Launch the TI-Nspire Computer Link software. • In the "Select Handheld" dialog that appears click [Select]. • Use the "Computer File Browser" navigation pane to navigate to the location of your file. • Drag the file from the "Computer File Browser" file pane and drop it on the lower "TI-N...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35774
Solution 35013: Using the Chi-Squared Goodness of Fit Test on the TI-Nspire™ Family Products.
...d input column B for 'Expected List' by pressing [B] [ctrl] [ [] ]. 10) Press [tab] and input 5 for Deg of Freedom,df. 11) Press [enter] twice to save the input and finish the calculation. Please see the TI-Nspire CX, TI-Nspire CX CAS, TI-Nspire and TI-Nspire CAS guidebooks for additional i...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35013
Solution 37715: Program commands that use the left and right parentheses display an unexpected syntax error on the TI-84 Plus CE™.
...and give an unexpected syntax error. When entering long expressions with parentheses enclosing the entire expression with paired parentheses can help avoid syntax errors of this nature. Solution 37715: Program commands that use the left and right parentheses display an unexpected syntax error on...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37715
Solution 10631: Calculator Usage Guidelines for the ACT® test.
...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: • Pocke...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10631
Solution 38375: Troubleshooting Connectivity Issues with Texas Instruments SilverLink USB cable on Mac OSX.
...y pushed into the computer USB port. If the above steps do not work try to reboot your Mac computer then try steps 1-4 above again. If you continue having issues try the troubleshooting steps below: 1) Disconnect the Silverlink USB cable from the computer then re-insert the cable and click [Ref...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/38375
Solution 10650: Proving Ownership of Lost/Stolen Calculators.
...xas Instruments does not register serial numbers for TI calculators Please Note: Texas Instruments does not replace stolen/lost calculators. If you have questions about your TI product, please contact us at 1-800-TI-CARES or send us an e-mail. Solution 10650: Proving Ownership of Lost/Stolen Ca...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10650
Solution 11890: Registering a Texas Instruments (TI) Graphing Calculator on the TI Online Store.
... to verify the warranty. The registration does not count as proof of purchase. Keep the purchase receipt as a proof of the date of purchase. If you have questions about the information listed above, please contact TI-Cares for additional assistance Solution 11890: Registering a Texas Instrument...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11890
Solution 11885: Guidelines and Precautions for Replacing Batteries in TI Graphing Calculators.
...ce non-rechargeable batteries in battery recharger. 6) Do not incinerate batteries. 7) Properly dispose of used batteries immediately. 8) Do not leave them within the reach of children. Please see the TI Graphing Calculator guidebooks for additional information. Solution 11885: Guidelines ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11885
Solution 13004: Troubleshooting a TI-Presenter™ Not Showing the Calculator Image on the TV Screen.
...f none of the above helps, disconnect everything and then follow the set-up instructions. Problem: TV screen goes blank. Solution: TI-Presenter may have gone into the Automatic Power Down or APD™ mode. To exit the APD mode, connect the calculator to the TI-Presenter, if it not already connected,...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/13004
Solution 36114: Keypad Shortcuts With The TI-Nspire™ Family Products
...r inserting new pages, copying, pasting, and much more. To view a listing of those shortcuts, please view pages 16 - 20 of the attached guide.If you have any questions about the information listed in this guide please contact TI-Cares for additional assistance. TI-Nspire_CX-HH_GettingS...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/36114