Solution 14860: TI TestGuard™ 2.0 App May Not Set the Degree Angle Mode Setting on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...tors into the degree angle mode setting? The TI TestGuard 2.0 app changes the angle mode setting of student's units to Degree mode regardless of the version of the current OS (operating system) installed on the calculator. However, if the student presses any keys while the 'Transfer Complete' sc...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/14860
Solution 13405: Opening Picture Files on the TI-83 Plus and TI-84 Plus.
...84 Plus family, or TI-Nspire handheld in TI-84 Plus mode? To open picture files, please see the below instructions: • Press [2nd], [Draw] and arrow over to STO. • Press [2] for 2:RecallPic. • Press [VARS] and choose 4:Picture... to view a list pictures on the calculator. • Scroll to a picture an...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13405
Solution 12980: Inability to Access the Memory Menu on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...culator by pressing [2nd] [MEM], it is most likely due to the presence of a certain type of shell application or operating system (OS) programmed to override or alter the calculator's original OS. This type of software is developed by third parties outside of Texas Instruments and is not recommen...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12980
Solution 12030: Entering Text in Lower Case on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...TI-84 Plus mode? It is not possible to enter lower case letters directly on the TI-83 family, TI-84 Plus family, or TI-Nspire in TI-84 Plus mode. However, users with a TI-83 Plus family, TI-84 Plus family, or TI-Nspire in TI-84 Plus mode have an option available. Upper and lower case letters may ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12030
Solution 12025: Deleting a StudyCards™ Stack File on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...file on the TI-83 Plus family, TI-84 Plus family, or TI-Nspire in TI-84 Plus mode? StudyCards stack files are stored on the calculator as application variables. Follow the steps below to delete an application variable: 1) Press [2ND] [MEM] [2].2) Scroll down to AppVars... 3) Press [ENTER].4) Scro...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12025
Solution 12031: Locating the SAT Prep StudyCards™ After Transferring Them to the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ire handheld in TI-84 Plus mode. To access the SAT Prep StudyCards, please follow the steps below: • Press the [APPS] key. • Use the arrow keys to navigate down to "StudyCrd" and press [ENTER] to select it. • Select "Choose New Stack". • Use the arrow keys to select the name of the SAT Prep Stud...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12031
Solution 12016: Algorithm Used to Compute Chi Squared on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...or finding c2 (Chi Squared) of a matrix is as follows: 1) First, an expected matrix is computed based on row and column matrix operations on the observed matrix. 2) Next, the residual is computed based on the difference between the observed matrix and expected matrix. 3) Then, the c2 value is com...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12016
Solution 11931: Calculating and Graphing Quadratic Regressions on the TI-83 Plus.
... 5) Scroll right to highlight the CALC menu. 6) Press [5] to select QuadReg(ax+b). 7) Press [2nd] [1] [,] [2nd] [2] to input L1,L2. 8) Press [,] [VARS], scroll right to highlight Y-VARS, then press [1] [1] to input ,Y1. 9) Press [ENTER] to calculate the quadratic regression. This will also c...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11931
Solution 11952: Deleting a CellSheet™ File on the TI-83 Plus and TI-84 Plus.
...on the TI-83 Plus family, TI-84 Plus family, or TI-Nspire handheld in TI-84 Plus mode? CellSheet files are stored on the calculator as application variables. Follow the procedure below to delete an application variable: • Press [2nd][MEM] • Scroll to 2:Mem Mgmt/Delete and press. [ENTER] • ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11952
Solution 11793: Unable to Graph Multiple Functions on the TI-83 Plus Family and TI-84 Plus Family Graphing Calculators.
...cation. 1) Press [APPS] key 2) Select Transfrm from the menu Next follow the step that matches your calculator: TI-84 Plus CE and TI-84 Plus C Silver Edtion: 1) Press 2: Quit Transfrm Graphing TI-84 Plus Silver, TI-84 Plus and TI-83 Plus: 1) Press 1:Uninstall Please Note: Uninstalling t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11793
Solution 11771: Graphing Slope Fields on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...h slope fields on the TI-83 Plus and TI-84 Plus family of graphing calculators? The TI-83 Plus and TI-84 Plus family of graphing calculators do not have the ability to graph Slope Fields. This feature is only available on Computer Algebra System (CAS) calculators such as the TI-89 Titanium or TI...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11771
Solution 12008: Using the TI-83 Plus and TI-84 Plus Family of Graphing Calculators for Biology and Statistics.
...e handheld in TI-84 Plus mode into a science tutorial by presenting basic science topics, and testing the students' comprehension with applicable activities. Students are taken step-by-step through science topics such as the scientific method and precision and accuracy. The Science Tools App wil...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/12008
Solution 11691: Adjusting the Contrast on a TI Graphing Calculator.
... Knowledge Base Search How do I adjust the contrast on a TI graphing calculator? If the screen of the graphing calculator is very dark (as if all the pixels are turned on) or very dim (as if the unit is turned off), the contrast may need to be adjusted. The instructions b...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11691
Solution 11740: Displaying Radicals in Answers on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...I-84 Plus mode display the square root symbol in the solution? The TI-83 family, TI-84 Plus family and TI-Nspire handheld in TI-84 Plus mode do not have the functionality to display radicals in the solution. This type of functionality can only be found on products that have the Computer Algebra S...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11740
Solution 12664: Syntax Error using the TI Graphing Calculators
...theses, commas, or arguments. Please refer to the Graphing calculator guidebooks for the appropriate usage of commands. A CatalogHelp application is available on both the TI-83 Plus, TI-84 Plus family, and TI-Nspire in TI-84 Plus mode calculators Solution 12664: Syntax Error using the TI Graphin...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12664