Linear Inequalities
Students observe tables of values to see that inequalities are true for some values of the variable and not for others.https://education.ti.com/en/activity/detail/linear-inequalities_2
Solution 32831: Deleting NoteFolio™ Files on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
..., and the TI-Nspire handheld in TI-84 Plus mode? To delete NoteFolio files from your calculator, please follow the steps below: • Exit the NoteFolio App by pressing [2ND] [QUIT]. • Press [2ND] [MEM] to display the Memory menu. • Press 2: Mem Mgmt/Del... • Scroll to AppVars... and press [ENTER...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/32831
Solution 29230: Squaring Negative Numbers on Texas Instruments Graphing Calculators and Software.
... and software? These calculators use an Equation Operating System (EOS™), which evaluates from left to right, allowing the user to enter numbers and functions in a straightforward sequence. Parentheses are necessary to define the order of operations within an expression. For example, the calcula...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/29230
Solution 29090: Stopping, Breaking or Ending a TI-Basic Program on Texas Instruments Graphing Calculators
... with TI-Basic Programs. To stop any TI-Basic Program press and hold down on the [ON] key for about 2-5 seconds and the error message [Break] should appear on the screen. This indicates the program was stopped and the program is no longer running. This is useful in debugging programs as it allow...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/29090
Solution 21313: Error Memory Full or Insufficient Memory When Trying to Send a StudyCards Stack to the TI-SmartView™ Software, TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...icient" Memory indicates that the connected device does not have enough free memory available to receive the current transfer. Normally, when sending application variables (AppVars) to a connected device, the AppVars are automatically stored in the device's FLASH ROM. However, when sending StudyC...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/21313
Solution 11945: Correcting the Error Message Waiting...Please Install Calculator Software Now on a TI-83 Plus Family.
... 3) Follow the on-screen directions to reinstall the calculator's OS. If the message "Error! Press any key to turn unit off. Then turn unit back on." appears on the graphing calculator, quickly, remove one battery from the calculator and reinstall it while the transfer is taking place. For the Ma...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/11945
Solution 29430: File Types That Can Be Sent to a Calculator
...Knowledge Base Search What file types am I able to send to my calculator? The following file types can be transferred to a handheld device. Application Variables (.8xv, .89y, .9xy, .v2y) – Also referred to as AppVars, these are assignment files and other files that have been saved in th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/29430
Exponential Reflections - 84
In this activity for the TI-84 family, students will investigate the inverse of an exponential function by observing a scatterplot. Students will determine that the inverse of an exponential function is a logarithmic function.https://education.ti.com/en/activity/detail/exponential-reflections_84
Solution 12025: Deleting a StudyCards™ Stack File on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...Cards stack 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 [EN...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.
...sferred to a TI-83 Plus family, TI-84 Plus family, or TI-Nspire handheld in TI-84 Plus mode? The SAT Prep StudyCards are located under the StudyCards app after they are transferred to a TI-83 Plus family, TI-84 Plus family, and TI-Nspire handheld in TI-84 Plus mode. To access the SAT Prep StudyCa...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.
... Next, the degrees of freedom are computed based on the number of rows and columns. 5) Finally, the probability is computed using the c2 distribution function with the c2 value and degrees of freedom previously computed. To find the c2 (Chi Squared) of a matrix, please see How to Compute Chi Squa...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12016
Solution 11973: Viewing Text Files on the TI-83 Plus and TI-84 Plus.
...ch How can I view text files on a TI-83 Plus family, TI-84 Plus family, or TI-Nspire handheld in TI-84 Plus mode? With the NoteFolio™ Flash App installed on a compatible TI graphing calculator, it is possible to create, as well as open and view saved text files. Follow the procedure be...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11973
Solution 11936: Changing the Language to English on the TI-83 Plus, TI-84 Plus, and TI-84 Plus C Silver Edition.
...-84 Plus mode? To change the language to English on a TI-83 Plus family, TI-84 Plus family, or TI-Nspire handheld in TI-84 Plus mode: 1) Press the [APPS] key. 2) Under the applications listed, select the language currently on the calculator (for example, if the calculator is in Spanish, select...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11936
Solution 11913: Accessing Constants on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...Neither the TI-83 Plus family, TI-84 Plus family, or the TI-Nspire Handheld in TI-84 Plus Mode include built-in constants. However, the Science Tools app contains the most common constants. Once the Science Tools app has been loaded on the handheld, the constants can be accessed following the ste...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11913
Solution 11740: Displaying Radicals in Answers on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...us 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 System (...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11740
Solution 12002: Troubleshooting a TI-83 Plus and TI-84 Plus Family of Graphing Calculators Stuck on Defragmenting.
..." • Follow the on-screen directions to reinstall the calculator's OS. If the message "Error! Press any key to turn unit off. Then turn unit back on." appears on the graphing calculator, quickly remove one battery from the calculator and reinstall it while the transfer is taking place. For the Mac...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12002
The Classic Box Problem - Exploration
This lesson takes a classic optimization problem and uses the dynamic linking capabilities to visualize the problem in multiple representations: diagramatic, geometric, graphic, numeric.https://education.ti.com/en/activity/detail/the-classic-box-problem--exploration
Tesselations
In this activity students will explore what causes some regular polygons to tesselate. They will explore sketches of regular polygons, measure the interior angles, and test to see whether the shapes tesselate.https://education.ti.com/en/activity/detail/tesselations
Tessellations
Students will explore tessellations of triangles and quadrilaterals. They will use the transformation tools of symmetry, reflections, rotations, and/or translations.https://education.ti.com/en/activity/detail/tessellations_1
Segment Addition Postulate
The purpose of this handout is to provide students an opportunity to learn the keystrokes involved using the TI-Nspire and to verify the Segment Addition Postulate.https://education.ti.com/en/activity/detail/segment-addition-postulate
Segments and Chords in a Circle
This activity is designed to allow students an opportunity to gain an understanding of the relationship among the segment measures formed by intersecting chords in a circle. It includes an interactive geometry page, some circle problems, and a Euclidean proof.https://education.ti.com/en/activity/detail/segments-and-chords-in-a-circle
The Radian Sector
In this activity, students will explore properties of sectors. Students will derive the formula for the arc length of a sector and the area of a sector.https://education.ti.com/en/activity/detail/the-radian-sector