Solution 40491: Troubleshooting a TI-84 Evo That Will Not Turn On, Charge, or Function Properly.
...t there are no buttons that are stuck down below the keypad. Please Note: The resets described in the troubleshooting steps below may cause a loss of applications, programs, and data. If at all possible, please backup all your files by copying data files and programs from your calculator to a fol...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/40491
Webinar | Transforming Trig in AP Precalculus: Using Graphing Tools to Deepen Understanding of Functions
... When: Tuesday, March 3, 2026 | 7 p.m. Central time Technology: TI-84 Plus Series, TI‑Nspire™ CX Series Presenters: Michael Dorsey, Scott Knapp Mastering the New ACT With Your TI Graphing Calculator The ACT® is evolving—and so should your test prep! Join this engaging se...https://education.ti.com/en/t3-professional-development/for-teachers-and-teams/online-learning/on-demand-webinars/2026/march-3-2026-mastering-the-new-act-with-your-ti-graphing-alculator
Webinar | No Way Around It — Pi is Fun!
... Discovering radians through circles and arc length (without the usual confusion spiral). Approximating pi using random points and probability—yes, chaos can be mathematical. Investigate zeros and extreme va...https://education.ti.com/en/t3-professional-development/for-teachers-and-teams/online-learning/on-demand-webinars/2026/feb-24-2026-no-way-around-it-pi-is-fun
TI-10 Elementary Calculator
...th on their own with built-in flash cards that challenge their addition, subtraction, multiplication and division skills. Set the flash cards for the appropriate level of difficulty and type of operation. Flash-card functionality gives students hints when a wrong answer is entered and includes an...https://education.ti.com/en/products/calculators/elementary-calculators/ti-10
TI-15 Explorer™ Elementary Calculator
...th on their own with built-in flash cards that challenge their addition, subtraction, multiplication and division skills. Set the flash cards for the appropriate age and type of operation. The flash card functionality gives students hints when a wrong answer is entered and includes an internal sc...https://education.ti.com/en/products/calculators/elementary-calculators/ti-15-explorer
Solution 37275: Troubleshooting a TI-Nspire CX or TI-Nspire CX CAS Calculator That Will Not Turn On, Charge or Function Properly.
...ttons that are stuck down below the keypad and please ensure that the reset button located on the back is not stuck down below the bottom case. If it appears stuck, use a paper clip to move it back into position. It is very important to not use an object that can leave behind debris, such as a pe...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/troubleshooting-messages-unexpected-results/37275
Solution 37315: Troubleshooting a TI-83 Plus or TI-84 Plus Family of Graphing Calculators That Will Not Turn On or Function Properly.
... up, then upside-down, then right side up, which may be different from other products. After reinserting the batteries press [ON]. If the display appears blank after pressing ON adjust the contrast by pressing and releasing the [2ND] key followed by pressing and releasing [UP] arrow. Repeat a...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37315
Solution 37335: Troubleshooting a TI-89 family, TI-92 family or Voyage 200 Graphing Handheld That Will Not Turn On or Function Properly.
...ialize the operating system, in which you should see a progress bar filling on the screen. Remove one of the AAA or AA batteries. Press and hold [APPS], and while holding [APPS], replace the battery and press [ON]. TI-89, 92 Plus, or Voyage 200 users should see "Press I to install code...", a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/37335
Solution 37336: Troubleshooting a TI-73 Family, TI-80, TI-81, TI-82, TI-83, TI-85, TI-85 and TI-86 Graphing Calculator That Will Not Turn On or Function Properly.
...re are no buttons that are stuck down below the keypad. Additional Note: The resets described in the troubleshooting steps below may cause a loss of applications, programs, and data. If at all possible please create a backup using TI Connect™ first. Remove all AAA batteries and reinsert the...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/37336
Solution 37255: Troubleshooting a TI-Nspire or TI-Nspire CAS Clickpad or Touchpad Calculator That Will Not Turn On or Function Properly.
...ttons that are stuck down below the keypad and please ensure that the reset button located on the back is not stuck down below the bottom case. If it appears stuck, use a paper clip to move it back into position. It is very important to not use an object that can leave behind debris, such as a pe...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/troubleshooting-messages-unexpected-results/37255
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.
...t there are no buttons that are stuck down below the keypad. Please Note: The resets described in the troubleshooting steps below may cause a loss of applications, programs, and data. If at all possible, please backup all your files by copying data files and programs from your calculator to a fol...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37295
Exploring Exponents
Students will investigate and describe negative and zero exponents on the base. Then, students will apply the properties of integer exponents to generate equivalent expressions.https://education.ti.com/en/activity/detail/exploring-exponents
Energy of a Roller Coaster
In this lesson, students begin with an exploration of the relationships between work, potential energy, and kinetic energy using. The simulation uses a block that is either lifted and dropped or is pulled up an incline and allowed to slide back down. These concepts are then applied to a simulatio...https://education.ti.com/en/activity/detail/energy-of-a-roller-coaster
CellSheet™ App for TI-84 Plus C Silver Edition
4.0 CellSheet™ App for TI-84 Plus C Silver Edition CellSheet™ App for TI-84 Plus C Silver Edition CellSheet™ App for TI-84 Plus C Silver Edition CellSheet™ App for TI-84 Plus C Silver ...https://education.ti.com/en/software/details/da/975C9594E42D48CB8086F9ECE6AF2198/84c-cellsheet-app
Probability Simulation App for TI-84 Plus C Silver Edition
Probability Simulation 4.1.01 includes bug fixes.https://education.ti.com/en/software/details/en/C608F9DE3FF24D489DE358EE276C2DE7/probability-simulation-app
Polynomial Root Finder and Simultaneous Equation Solver App for TI-84 Plus C Silver Edition
4.0 Polynomial Root Finder and Simultaneous Equation Solver App for TI-84 Plus C Silver Edition Polynomial Root Finder and Simultaneous Equation Solver App Polynomial Root Finder and ...https://education.ti.com/en/software/details/en/DFA28F382EE742558A0730BBFCB6F3D4/polynomial-root-finder-and-simultaneous-equation-solver-app
Inequality Graphing App for TI-84 Plus C Silver Edition
4.0 $name Inequality Graphing App for TI-84 Plus C Silver Edition Inequality Graphing App Inequality Graphing App websitehttps://education.ti.com/en/software/details/en/4FE2D735C58B4650934AB96F522CD048/inequality-graphing-app
Language Localization App for TI-84 Plus C Silver Edition
4.0 Language Localization App for TI-84 Plus C Silver Edition Language Localization App Language Localization App websitehttps://education.ti.com/en/software/details/da/A3B7785A4264418F963F439F2DDCAD22/language-localization-app
Conic Graphing App for TI-84 Plus C Silver Edition
4.0.30 Conic Graphing App for TI-84 Plus C Silver Edition Conic Graphing App Conic Graphing App websitehttps://education.ti.com/en/software/details/en/B8FE499FA6A9487B801A52DA405DD33F/conic-graphing-app
Cabri™ Jr. App for TI-84 Plus C Silver Edition
4.0 Cabri™ Jr. App for TI-84 Plus C Silver Edition Cabri Jr App Cabri Jr App websitehttps://education.ti.com/en/software/details/en/0B6BD037763E43639116B25808A0C5F4/cabri-jr-app
Science Tools App for TI-84 Plus C Silver Edition
4.0 Science Tools App for TI-84 Plus C Silver Edition Science Tools App for TI-84 Plus C Silver Edition Science Tools App for TI-84 Plus C Silver Edition Science Tools App for TI-84 Pl...https://education.ti.com/en/software/details/da/9D3F4BCE82714C8591DD2F808CFCACDE/84c-science-tools-app
App4Math for TI-84 Plus C Silver Edition
4.0 App4Math for TI-84 Plus C Silver Edition App4Math App4Math websitehttps://education.ti.com/en/software/details/en/5AAF057A8BD14232A3A88BDA09C300F3/app4math
Periodic Table App
4.0 Periodic Table App Periodic Table App Periodic Table App Periodic Table App websitehttps://education.ti.com/en/software/details/en/D6E90B7F4DCC4E3F873598762A70ED4D/periodic-table-app
TI-Innovator™ Hub App
5.7 TI-Innovator Hub App TI-Innovator™ Hub App TI-Innovator Hub App TI-Innovator Hub App websitehttps://education.ti.com/en/software/details/en/150E0DDCE2FF46C0BB96C5230970F967/ti-innovator-hub
CellSheet™ App for TI-84 Plus CE/T Family
5.1.1 CellSheet™ App for TI-84 Plus CE CellSheet™ App for TI-84 Plus CE/T Family CellSheet™ App for TI-84 Plus CE CellSheet™ App for TI-84 Plus CE CellSheet™ App for TI-84 Plus CE ...https://education.ti.com/en/software/details/en/EA94E71DFFD94CB0A8AB73EF0A58B9D4/84ce-cellsheet-app