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
Continuity and Differentiability 2
Explore piecewise graphs and determine conditions for continuity and differentiability.https://education.ti.com/en/activity/detail/continuity-and-differentiability-2
Shortest Distance
Students will discover, through exploration, that the shortest distance from a point on a line to the origin is a measure of a perpendicular line segment. You will investigate this minimization problem and support the analytical explanations with interactive explorations.https://education.ti.com/en/activity/detail/shortest-distance
Shortest Distances
Students will explore three situations involving distances between points and lines. First, the minimum distance between two points leads to the Triangle Inequality Theorem. Then, the shortest distance from a point to a line is investigated. Finally, students find the smallest total distan...https://education.ti.com/en/activity/detail/shortest-distances
Side Length, Perimeter, and Area of a Rectangle
Explore the effects of changing base (or height) of a rectangle on it's perimeter and area.https://education.ti.com/en/activity/detail/side-length-perimeter-and-area-of-a-rectangle
Side-Side-Angle: The Ambiguous Case
Experiment with segment lengths and angle measures.https://education.ti.com/en/activity/detail/sidesideangle-the-ambiguous-case
Secant Angle Investigation
This activity will allow students to discover the relationship between the secant angle and the corresponding central angles.https://education.ti.com/en/activity/detail/secant-angle-investigation
Triangle Inequality Theorem
Given the measures of any three segments, will you always be able to make a triangle?https://education.ti.com/en/activity/detail/triangle-inequality-theorem
Proving the Pythagorean Theorem - President Garfield's Proof
This is the same proof that is found on the TI-Exchange website for the 84 plus, but I modified it for the Nspire handhelds.https://education.ti.com/en/activity/detail/proving-the-pythagorean-theorem--president-garfields-proof
Proving Angles Congruent
In this activity students will be introduced to proofs, including 2-column proofs, paragraph proofs and flow-proofs. They will also look at different diagrams to decide what the diagram is telling them and what they can infere. They will also look at complementary, supplementary, adjacent and v...https://education.ti.com/en/activity/detail/proving-angles-congruent_1
Triangle Midsegment Exploration
The activity has the students investigate the relationship of the midsegment to the third side of the triangle. In addition the students investigate the area of the smaller triangles compared to the larger one and uses the results to solve the "campground" problem. There is a set of follow-up q...https://education.ti.com/en/activity/detail/triangle-midsegment-exploration