Solution 11931: Calculating and Graphing Quadratic Regressions on the TI-83 Plus.
...he TI-83 family, TI-84 Plus family, and TI-Nspire handheld in TI-84 Plus mode. Data for this example: To enter the data: 1) Press [STAT] [1] to access the STAT list editor. 2) Input the data in the L1 and L2 lists, pressing [ENTER] after each number. 3) Press [2nd] [MODE] to QUIT and return...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11931
Solution 11936: Changing the Language to English on the TI-83 Plus, TI-84 Plus, and TI-84 Plus C Silver Edition.
... the calculator (for example, if the calculator is in Spanish, select Espanol) and press [ENTER]. 3) On the Language Localization screen, the choice to select a language is given. Press [2] for English. Please see the TI-83 family and TI-84 Plus family guidebooks for additional information...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11936
Solution 11793: Unable to Graph Multiple Functions on the TI-83 Plus Family and TI-84 Plus Family Graphing Calculators.
... graphs, the Transformation Graphing Application will need to be turned off on the TI-83 Plus Family and TI-84 Plus Family. Below are the steps to successfully turn off the Application. 1) Press [APPS] key 2) Select Transfrm from the menu Next follow the step that matches your calculator: TI-...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11793
Area of a Triangle
The student will use three methods for finding the area of a triangle. They will find the area using the determinant of a matrix, two sides and the included angle (trig) and Heron's formula (three sides).https://education.ti.com/en/activity/detail/area-of-a-triangle
Convert
Convert global website Please select the software product for which you currently have a license. Select your Software TI-SmartViewTM CE Emulator Software for the TI-84 Plus Graphing Fami...https://education.ti.com/en/software/convert
Solution 34494: Creating a Scatter Plot on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... Data for this example: L1: {7,2,4,2,5} L2: {8,4,6,2,7} To input data into the Stat List Editor: 1) Press [STAT] then [1] to select 1:Edit and access the Stat List Editor 2) Press 7 [ENTER] 2 [ENTER] 4 [ENTER] 2 [ENTER] 5 [ENTER] to enter the data in the L1 list 3) Press [→] to move to the L...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34494