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.
...please instead refer to Solution 40446. Additional Note: If your TI-84 Plus CE graphing calculator will not charge please instead refer to Solution 37152. Please ensure that there are no buttons that are stuck down below the keypad. Please Note: The resets described in the troubleshooting steps b...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.
...culator for exams where flash applications, programs and other files are not allowed. This feature is called Press-to-Test, and it is similar to the [2nd] [MEM] [RESET] key sequence for deleting all files from the calculator before an exam. The main difference is that the Press-to-Test function t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13884
Solution 37819: Troubleshooting a TI-84 Plus CE or TI-Nspire™ CX handheld that is not recognizing the TI-Innovator™ Hub
...alculator is turned on and that it has sufficient charge. If your TI-Nspire CX handheld is experiencing charging issues, please see KB#30732: Troubleshooting a TI-Nspire™ CX handheld that will not charge. If your TI-84 Plus CE graphing calculator is experiencing charging issu...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37819
How Do Your Errors Grow!
A simple measuring activity allows students to explore the sometimes difficult concept of significant figures, both manually and with the help of the Science Tools App's Sig-Fig Calculator.https://education.ti.com/en/activity/detail/how-do-your-errors-grow
Adding and Subtracting Fractions with Common Denominators
This activity uses interactive number lines to investigate addition and subtraction of fractions that refer to the same whole, with like denominators. Students may reason about the process as 1) decomposing each fraction into unit fractions and counting the total number of unit fractions that wou...https://education.ti.com/en/activity/detail/adding-and-subtracting-fractions-with-common-denominators
Creating Equivalent Fractions
This activity is intended to be a deeper investigation into equivalent fractions, going beyond recognizing and identifying them. Students should know that two numbers are equivalent (equal) if they are located at the same point on the number line and that the larger of two numbers is the on...https://education.ti.com/en/activity/detail/creating-equivalent-fractions
Side-Splitter Theorem
Explore the side-splitter theorem by collecting data from a triangle with a line parallel to one of its sides.https://education.ti.com/en/activity/detail/sidesplitter-theorem_1
My Calculator Buddy Sweepstakes Rules | Texas Instruments
...ulator Plushie or the Grand Prize: their color choice of a TI-84 Plus CE graphing calculator and TI Calculator Plushie, and a donated Teacher Pack of 10 TI-84 Plus CE graphing calculators in choice of Fractal Frost or Peach Pi colors to a school of choice. SPONSOR/ADMINISTRATOR: The Sponsor of t...https://education.ti.com/en/promotion/mycalculatorbuddysweeps25/rules
Hands on Reflections
Students plot points to form an image of their right hand and then use transformations: reflections, rotations and translations to draw their left hand or reposition both hands in a very visual activity.https://education.ti.com/en/activity/detail/hands-on-reflections
7 Helpful Tips for Calculator Management in Your Classroom
... per shelf in these rolling carts found at popular craft stores. Charging cart with neatly stored TI graphing calculators. 2. Phones Up, Learning Out Wall hangers have been a popular choice for years. Keep math minds focused by having students trade in their phone f...https://education.ti.com/en/bulletinboard/2025/calculator-storage-ideas
T³™ Regional Summit: North Texas | Texas Instruments
...gy Consultant: Pareeza Schulte | pschulte@ti.com For questions about registration, please contact us at T3@eventconsultantsglobal.com or call 844.851.9251. Contact information 8:15 – 9 a.m. | Check-in and continental breakfast 9 – 9:20 a.m. | Opening remarks 9:30 – 11:00 a.m....https://education.ti.com/en/t3-professional-development/for-teachers-and-teams/regional-summits/2025-north-texas-summit
Extra Credit Coupon
...ti.com with question or issues. Sorry.The Serial number entered isn't valid or has already has been used.Please check the number and try again ex: 5115551111 L-5555M *Valid with new TI-84 Plus CE, TI-Nspire™ CX or TI-Nspire™ CX II graphing calculators purchased from an authorized retailer or d...https://education.ti.com/en/teachers/extra-credit-coupon
How Far Am I Off?
Students calculate a confidence interval using the chi-square distribution to estimate a population variance.https://education.ti.com/en/activity/detail/how-far-am-i-off_1
Percentiles & Z-Scores
Students explore percentiles and z-scores of normal distributions by graphing and calculating.https://education.ti.com/en/activity/detail/percentiles--zscores_1
TI Leadership Summits
...er development. There is no cost to attend, and a networking breakfast and luncheon are included. Date/Time: Tuesday, October 28, 2025 8:30 a.m. 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. | Welco...https://education.ti.com/en/t3-professional-development/leadership-summit
Geometric Distributions
Students simulate a geometric distribution of rolling a die to determine experimental probabilities and calculate theoretical probabilities.https://education.ti.com/en/activity/detail/geometric-distributions_1
Perms and Combs?
Review of the vocabulary and concepts of factorials, combinations, and permutations. Students use built-in commands to evaluate the expressions.https://education.ti.com/en/activity/detail/perms-and-combs_1
Webinar | Take Learning to New Heights with CoDrone EDU and TI Technology
...s and Teams | Online Learning | Live T³™ Webinars Presenters: Frankie Baker, Jean-Pierre Ciotta, Geoff Warren When: Tuesday, November 18, 2025 | 7 p.m. Central time Technology: TI‑Nspire™ Series Take Learning to New Heights with CoDrone EDU and TI Technology ...https://education.ti.com/en/t3-professional-development/for-teachers-and-teams/online-learning/on-demand-webinars/2025/nov-18-2025-take-learning-to-new-heights-with-codrone-edu-and-ti--technology
Students challenged to engineer new solutions in a food-themed coding contest from Texas Instruments
... Texas Instruments In honor of National Engineers Week, TI asks students to show how hungry they are to win the “TI Codes Contest” DALLAS – (February 19, 2019) In celebration of National Engineers Week® (February 17-23, 2019), Texas Instruments (TI) is asking students to use TI technology to imag...https://education.ti.com/en/about/press-center/2-19-2019-students-challenged-to-engineer
Former pro football player turned full-time mathematician, John Urschel, to deliver keynote at educator conference
... Former pro football player turned full-time mathematician, John Urschel, to deliver keynote at educator conference DALLAS – (November 14, 2017) John Urschel, former offensive lineman for the Baltimore Ravens turned full-time Ph.D. candidate at Massachusetts Institute of Technology...https://education.ti.com/en/about/press-center/11-14-2017-urschel-keynote-speaker
Texas Instruments honors math heroes in new, nationwide contest, “Spread the Math Love”
...e contest, “Spread the Math Love” Meet the first winner who inspired a Naval Academy recruit to use numbers to defend her country DALLAS – (May 28, 2019) While the school year may be coming to an end, a new contest aimed at spreading the love of math is just getting started. Through September, Te...https://education.ti.com/en/about/press-center/5-28-2019-spread-the-math-love
Texas Instruments and NASA launch virtual scavenger hunt with out-of-this-world prizes
...out-of-this-world prizes “The Search for STEMnauts” provides students with a chance to develop critical coding and STEM skills DALLAS, Texas – (April 19, 2017) Texas Instruments (TI) and NASA today launched “The Search for STEMnauts,” a virtual scavenger hunt designed to ignite students’ interest...https://education.ti.com/en/about/press-center/4-19-2017-search-for-stemnauts
Texas Instruments launches “STEM Squad” to keep students’ math and science skills sharp over the summer
...lot more than they let on Study from Texas Instruments reveals nearly twice as many students like math as those who dislike it DALLAS – (August 28, 2018) Ask any teacher and they’ve likely heard more than their fair share of students say they hate math or that it’s too hard and they will never us...https://education.ti.com/en/about/press-center/8-28-2018-kids-love-math
High school student pilots aviation lesson, “STEM on the Fly,” to inspire middle and high school students to love STEM
...dents to love STEM The fun, high-flying lesson explores the math and science needed for a career as Southwest Airlines pilot DALLAS – (January 24, 2017) A high school sophomore has won Texas Instruments’ (TI) #GenSTEM contest and a starring role in the latest edition of STEM Behind Cool Careers,...https://education.ti.com/en/about/press-center/1-24-2018-stem-on-the-fly
Texas Instruments challenges students to find ways to make the world safer and healthier in new coding contest
...ng contest Students can put their STEM skills to the test by designing a solution related to health for a chance to win prizes DALLAS – (March 9, 2021) The global COVID-19 pandemic has revealed limits to systems we take for granted and put health and safety at the forefront of everyone’s minds, ...https://education.ti.com/en/about/press-center/3-09-2021-ti-codes-contest