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.
...ardless of the version of the current OS (operating system) installed on the calculator. However, if the student presses any keys while the 'Transfer Complete' screen is displayed on the receiving calculator, TI TestGuard 2.0 will fail to change the mode settings. To ensure that TI TestGuard comp...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/14860
Solution 12980: Inability to Access the Memory Menu on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...mmed 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 recommended to be installed. Therefore, Texas Instruments is unable to provide support or technical assistance for such software. There may be some...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12980
Solution 11984: Sending a StudyCards™ Stack to a TI-83 Plus and TI-84 Plus Through StudyCards Creator Software for Windows®.
...lash application (App). Using the software, you can send a StudyCards stack to the memory of a connected device. The stack can also be saved onto the computer's hard drive for editing later and to serve as a back-up. Note: Saved StudyCards stacks can only be opened and edited on a computer using ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11984
Solution 11973: Viewing Text Files on the TI-83 Plus and TI-84 Plus.
... 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 below to open up a te...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11973
Solution 11929: Calculating P-value on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... Edition, TI-84 Plus family, or TI-Nspire in TI-84 Plus mode? First the TI-83 Plus family, TI-84 Plus family, or TI-Nspire in TI-84 Plus mode will compute all the one-variable statistics (mean of x, s, n, etc.). Then the standard error is computed (s/n). After computing the standard error, th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11929
Solution 11913: Accessing Constants on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... 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 steps below: • Press [A...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11913
Solution 11881: Differences Between Grouping and Archiving Variables on TI Graphing Calculators.
...riables must exist in RAM before they can be grouped. The only time the variables will not have a copy in RAM is when the group file was created on a computer using the TI-GRAPH LINK™ or TI Connect™ software and sent to the calculator as a group. Ungrouping does not remove the group from the use...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11881
Solution 11771: Graphing Slope Fields on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ators? 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-Nspire CX II CAS. Please see the TI-83 Plus and TI-84 Plus Family guideb...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.
...ly, TI-84 Plus family, or TI-Nspire 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 ac...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/12008
Solution 11740: Displaying Radicals in Answers on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...4 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 (CAS) such as the TI-89 Titanium or TI-Nspire CX II CAS. Therefore, a square root symbol (radical) cannot be displayed in t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11740
Solution 14060: Troubleshooting the "Unknown Device" and "TUSB3410 Boot Device" Error Message when Using TI Connect™ Software for Windows®.
...vice signaling could be a problem with the USB port that the cable is plugged into or a problem with the cable itself. The following two things are recommended to narrow down the problem: 1) Try the TI Connectivity Cable in another USB port. 2) Try the TI Connectivity Cable in another computer. I...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/14060
Solution 12664: Syntax Error using the TI Graphing Calculators
...amily of products Knowledge Base Knowledge Base Search What is a syntax error? A syntax error means that the command used contains an error. Look for misplaced functions, parentheses, commas, or arguments. Please refer to the Graphing calculator guidebooks...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12664
Secrets in the Triangle
Students will use the geometry screens of the TI-Nspire™ to find points of concurrency by constructing the altitudes, perpendicular bisectors, and medians in triangles. The Euler Line will be found and extensions given.https://education.ti.com/en/activity/detail/secrets-in-the-triangle
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
Paths of Rectangles
This exploration for preservice teachers, looks at how the lengths of the sides of rectangles with equal areas are related. The rectangles are constructed so that one vertex is at the origin. The path of the opposite vertex is an example of indirect variation and demonstrates a connection between...https://education.ti.com/en/activity/detail/paths-of-rectangles
Diagonal Classification
This activity could be used as an assessment after a unit on special quadrilaterals. Students are given an unknown quadrilateral constructed with a given diagonal property. By dragging the vertices of the quadrilateral, students conjecture as to the names of the quadrilaterals that can be constru...https://education.ti.com/en/activity/detail/diagonal-classification
Balancing Act
Students will explore the centriod of a triangle. They will discover that it is the center of gravity. They will balance a cardboard triangle on the end of a pencil. Then they will construct the medians with folds and pencil. After students have seen that the center of gravity is the point ...https://education.ti.com/en/activity/detail/balancing-act
Construction of the Lute of Pythagoras to investigate polynomials
The student will construct the Lute of Pythagoras and investigate the many geometric shapes created.https://education.ti.com/en/activity/detail/construction-of-the-lute-of-pythagoras-to-investigate-polynomials
Exterior Angle Sum Theorem
This activity illustrates the exterior angle sum theorem by taking regular polygons with an exterior angle constructed, one at each vertex, and pulling all the vertices together to show that all exterior angles form a circle.https://education.ti.com/en/activity/detail/exterior-angle-sum-theorem
Approximating Pi -- Archimedes method
Students will be assigned different regular polygons to construct. They will then construct a circumscribed circle, measure diameter, circumference and perimeter. The measurements will be placed into a spreadsheet and the ratios of circumference/diameter and perimeter/diameter will be calculated.https://education.ti.com/en/activity/detail/approximating-pi--archimedes-method
Angles in Polygons
This is a self-contained activity that is designed to incorporate the TI-Nspire Navigator system which provides for a paperless activity that can be easily managed during and after the class period. Students will investigate the relationships of the interior and exterior angles in a polygon. T...https://education.ti.com/en/activity/detail/angles-in-polygons
A Sprinkler System Activity for the TI-Nspire TouchPad
This lesson involves the student in constructing and then creating their own designs using circles to indicate water spray from sprinklers set to full, half, and quarter circle patterns. The students learn to appreciate the ART of Math in the designs created with the Nspire TouchPad. The students...https://education.ti.com/en/activity/detail/a-sprinkler-system-activity-for-the-tinspire-touchpad
Making Hay While the Sun Shines & Not Losing It in the Rain (The Geometry of the Big Round Bale)
This activity explores the volume of the hay bale and the percent of loss as the radius of the bale decreases. The extension collects data from the constructed cylinder in a spreadsheet and graphs it. The graphs are modeled with quadratic functions and transformations of quadratic functions can...https://education.ti.com/en/activity/detail/making-hay-while-the-sun-shines--not-losing-it-in-the-rain--the-geometry-of-the-big-round-bale
Maximizing a Paper Cone's Volume
The net for a conical paper cup is formed by cutting a sector from a circular piece of paper. What sector angle creates a net that maximizes the cone's volume? In this activity students will build concrete models, measure the dimensions and calculate the volume. Next, students will use a const...https://education.ti.com/en/activity/detail/maximizing-a-paper-cones-volume
Angle and Perpendicular Bisectors in a Triangle
The students will examine where the perpendicular bisectors and angle bisectors of a triangle intersect. The students will circumscribe a circle around the triangle and will inscribe a circle within the triangle. There is a page at the end of each activity with the circle constructed if the s...https://education.ti.com/en/activity/detail/angle-and-perpendicular-bisectors-in-a-triangle