Solution 34616: Inverse Cosine of the Tangent of -5π/4 on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...s and TI-84 Plus family of graphing calculators? This is a classic problem with floating point arithmetic that is used in calculators and almost all computers. The main problem is tan(-5*π/4). The TI-83 Plus and TI-84 Plus family of graphing calculators only perform calculations with 14 digits i...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34616
Solution 34844: Using the Chi-Squared Goodness of Fit Test on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... Knowledge Base Knowledge Base Search How can I use the Chi-Squared Goodness of Fit test on the TI-84 Plus Family? The command for the Chi-Squared Goodness of Fit test is located under the STAT-TESTS menu. Please see the below example: L1: {16,25,22,8,10} L2: {16....https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34844
Solution 33711: Best Care Practices for TI Products With a TI Rechargeable Battery.
...ors: environment, storage, the number of charge/discharge cycles, and level of discharge/charge. To extend battery lifespan and battery life, we recommend following these guidelines: 1. Keep TI calculators in a cool, dry place, as close to room temperature as possible Batteries are design...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/33711
Solution 37295: Troubleshooting a TI-84 Plus CE or TI-84 Plus C Silver Edition That Will Not Turn On, Charge, Function Properly, Displays a “Validating Operating System…” Message or Flashes White.
...ons, programs, and data. If at all possible, please backup all your files by copying data files and programs from your calculator to a folder on your computer using TI Connect CE™ Software. 1) Attempt to charge the calculator by connecting to a computer or wall adapter, if the calculator boots up...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37295
Solution 13884: Press-To-Test Functionality Available for the TI-84 Plus and TI-84 Plus Silver Edition.
... the default settings, move the cursor over the desired setting and press [ENTER]. 4) Press [ZOOM] (beneath OK on the screen) to select OK. The Reset Complete screen displays the selected options. Version 2.53MP and earlier Version 2.55MP 5) Press [APPS] to verify that Ap...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13884
Solution 35954: Installing Applications That Were Not Downloaded From The Macintosh® App Store
... Were Not Downloaded From The Macintosh® App Store website Home | Computer Software, iPad and Chrome Apps Knowledge Base Knowledge Base Search How do I open Texas Instruments software th...https://education.ti.com/en/customer-support/knowledge-base/sofware-apps/troubleshooting-messages-unexpected-results/35954
My Calculator Buddy Sweepstakes Rules | Texas Instruments
...S TO ENTER THE SWEEPSTAKES AT NO COST. VOID WHERE PROHIBITED. SWEEPSTAKES DESCRIPTION: The 2025 My Calculator Buddy Sweepstakes can be entered after completing actions at education.ti.com/mycalcbuddysweeps25. You can enter by submitting your contact information and completing one or more of the ...https://education.ti.com/en/promotion/mycalculatorbuddysweeps25/rules
My Calculator Buddy Sweepstakes 2025 | Texas Instruments
... There will be 5 winners each week. Then, we will draw one winner for the Grand Prize! How to enter: Log in to view and complete actions from the list. Click on an action and follow the prompt. One action = one entry. Entries are c...https://education.ti.com/en/promotion/mycalculatorbuddysweeps25
TI-84 Plus SE family Operating System
IMPORTANT!! This OS features MathPrint™. TI Connect™ for Windows® or or TI Connect™ for Macintosh® is required to install this update....sic mode. Quickly recall an input/output by simply highlighting it and pressing enter.** * Please update your Catalog Help to version 1.1 for compatibility with TI-84 Plus operating system update, version 2.53MP or higher. ** Lists and matrices as output will not paste from the history. ...https://education.ti.com/en/software/details/en/400C88E8E75B4123BB7E90B6A676368D/ti84plusseoperatingsystem
Extra Credit Coupon
... CE graphing calculator Locate the serial number on the back, engraved directly above the Texas Instruments logo. The code will be in the following format: XXXXXXXXXX X-XXXXX. (Make sure to include the dash in the second set of numbers, following the L. Serial numbers do not contain the letter O;...https://education.ti.com/en/teachers/extra-credit-coupon
TI Leadership Summits
.... to 1:30 p.m. Location: Region 20 ESC 1314 Hines Avenue San Antonio, TX 78208 Register 8:30 a.m. | Registration and breakfast PROGRAM 9 a.m. | Welcome Dr. Mike Moses, Ed.D. Former Texas Commissioner of Education Vince O’Connell Director, Educational Partnerships Texas Instruments Revitalizin...https://education.ti.com/en/t3-professional-development/leadership-summit
10-12-2015-stem-behind-health-breast-cancer
...ncer. In the activity, Dr. Anu Gaba, a Sanford physician, introduces precision oncology, cancer treatment through personalized genetic analysis, an upcoming research project at Sanford Research. It also shares the story of breast cancer survivor, Kristi Egland, Ph.D., an associate scientist at ...https://education.ti.com/en/about/press-center/10-12-2015-stem-behind-health-breast-cancer
1-14-2016-mission-imagination
...im to spur the imaginations of the next generation of scientists, engineers, explorers and innovators who are in today’s math and science classrooms. Combining expertise, TI Education Technology and NASA have developed programs that promote STEM-focused lessons for students and teachers in middle...https://education.ti.com/en/about/press-center/1-14-2016-mission-imagination
5-10-2016-gold-and-white
...ier TI-84 Plus models so they can continue to use their favorite classroom lessons. To see where you can purchase a TI-84 Plus CE, visit education.ti.com. For more information, follow TI Education Technology on Facebook, Twitter, LinkedIn, Instagram or YouTube. TI Education Technology Media Relat...https://education.ti.com/en/about/press-center/5-10-2016-gold-and-white
Pro Football Player John Urschel Visits School District Students to Explore STEM Behind Sports
... for helping to bring these unique learning opportunities to our students.” When not playing football, Urschel, a Penn State University graduate, is completing a Ph.D. in applied mathematics at the Massachusetts Institute of Technology (MIT). He was on hand today at The High School of the Future...https://education.ti.com/en/about/press-center/5-24-2017-john-urschel-visits-school-district-students
Students challenged to engineer new solutions in a food-themed coding contest from Texas Instruments
...ucation Technology. "After seeing the remarkable entries last year, we can’t wait to see what students create this this year as they get creative and compete against other teams around the country.” The contest is simple to enter and includes four rounds. In the first round, teams of up to five s...https://education.ti.com/en/about/press-center/2-19-2019-students-challenged-to-engineer
5-19-2016-mission-imagination-winners
... Middle School in Las Vegas, Nevada has won the mISSion imaginaTIon design challenge from Texas Instruments (NASDAQ: TXN) (TI) and NASA. The national competition asked students from across the country to propose solutions to challenges astronauts would face on a journey to Mars. The questions wer...https://education.ti.com/en/about/press-center/5-19-2016-mission-imagination-winners