Solution 37315: Troubleshooting a TI-83 Plus or TI-84 Plus Family of Graphing Calculators That Will Not Turn On or Function Properly.
...Graphing Calculator". Please ensure that there are no buttons that are stuck down below the keypad. Remove all AAA batteries and reinsert them according to the polarity (+ and -) diagrams. Batteries are installed upside down, then right side up, then upside-down, then right side up, which ma...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37315
Solution 20369: Using an AC Adapter to charge a Texas Instruments Graphing Calculator.
... as “1A” or “1000 mA”). To determine whether your charger is UL-certified, flip it over to the inside, and read the label. Look for the UL stamp, and confirm that it states that it is 1000 mA or higher. The I/O port that is located at the bottom of a TI Graphing calculator can be used to connect ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/20369
Solution 13660: Using Greek Symbols In Programming Scripts on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ariables. There is not a way to add the Greek symbols to the list. Greek symbols will have to be replaced with a letter (A-Z) so the calculator can recognize it as a program variable.Greek symbols are used in some system variables. For example, lowercase sigma is used as part of the system variab...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13660
Solution 40463: Details on Texas Instruments’ Support for Programming on Graphing Calculators and Texas Instruments Software.
...s, which have been known to cause the calculators to lock up or malfunction. Support for programs includes: Transferring programs using the TI Connect, TI Connect CE, or TI-Nspire Family Software to a TI Graphing Calculator. General usage questions about TI Connect CE or TI-Ns...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/40463
Solution 18890: Refunds for Texas Instruments Products.
...as Instruments cannot issue a refund for products not purchased directly through Texas Instruments. If a product is not functioning properly, please contact TI to troubleshoot. Please see the Warranty Information on Texas Instruments Products Purchased in the United States Knowledge Base case fo...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/18890
My Calculator Buddy Sweepstakes Rules | Texas Instruments
...CESSARY TO ENTER OR WIN. A PURCHASE OR PAYMENT WILL NOT INCREASE YOUR CHANCES OF WINNING. SEE BELOW FOR INSTRUCTIONS TO ENTER THE SWEEPSTAKES AT NO COST. VOID WHERE PROHIBITED. SWEEPSTAKES DESCRIPTION: The 2024 My Calculator Buddy Sweepstakes can be entered after completing actions at educatio...https://education.ti.com/en/promotion/mycalculatorbuddysweeps/rules