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 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 12002: Troubleshooting a TI-83 Plus and TI-84 Plus Family of Graphing Calculators Stuck on Defragmenting.
... TI-Connect to install the OS. In order to install the OS please follow these steps (Windows® users): • Connect the TI Connectivity cable between the computer and the calculator. • Click on Start >> Programs >> TI Tools >> TI Connect >> TI OSDownloader. • Remove one battery then press and hold do...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12002
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
Algebra Skills Review: 3-in-1 Activity
This versatile activity set includes a printable scavenger hunt, a Google Slides review, and practice sheets.https://education.ti.com/en/activity/detail/algebra-skills
Change Of Base
In this activity, students discover the change of base rule for logarithms by examining the ratio of two logarithmic functions with different bases.https://education.ti.com/en/activity/detail/change-of-base
The Sprinkler and the Lawn
Students will apply the concepts of angle bisector, incenter of a triangle, and percentages to solve a real-world problem involving a circular sprinkler and a triangular-shaped lawn.https://education.ti.com/en/activity/detail/the-sprinkler-and-the-lawn
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
Properties of Special Quadrilaterals Exploration
Students are given a TI-Nspire file with special quadrilaterals so that they can use the dynamic measurement capabilities of the TI-Nspire to explore which properties always hold true for each quadrilateral.https://education.ti.com/en/activity/detail/properties-of-special-quadrilaterals-exploration
Properties of Trapezoids and Kites
Students investigate the properties of trapezoids, isosceles trapezoids, and kites by measuring sides and angles in the figures and by constructing and measuring the diagonals of the figures. By dragging vertices of each figure, they can make and test conjectures by seeing which properties hold t...https://education.ti.com/en/activity/detail/properties-of-trapezoids-and-kites
Cyclic Quadrilaterals
Students will explore cyclic quadrilaterals and their properties.https://education.ti.com/en/activity/detail/cyclic-quadrilaterals_2
Polygons & Angles: Looking for Patterns
This activity explores the relationships of various polygons and their angles. This is a discovery lesson and leads students through data and asks them to make conjectures about the angles of a triangle, quadrilateral, and pentagon. This lesson explores interior angles, exterior angles, and as...https://education.ti.com/en/activity/detail/polygons--angles--looking-for-patterns
Possible Lengths of Sides of Triangles
The first problem in this activity has students explore the varying length of the third side of a triangle when 2 sides are given. They will discover that the length of the third side must be between the difference and the sum of the other 2 sides. The second problem extends this idea of the le...https://education.ti.com/en/activity/detail/possible-lengths-of-sides-of-triangles
Properties of Parallel Lines
This activity is designed to incorporate the TI-Nspire Navigator system to provide a paperless activity. Students will investigate the relationships formed when two parallel lines are cut by a transversal. They will make observations from angle measurements. This is a great activity for beginn...https://education.ti.com/en/activity/detail/properties-of-parallel-lines
Exploring Midsegments of a Triangle
Students will discover the relationships between a midsegment of a triangle and its third side.https://education.ti.com/en/activity/detail/exploring-midsegments-of-a-triangle
Cell Phone Towers
In this activity students explore the locus of a point that is located twice as far from a given point A as it is from given point B. The locus is Apollonius circle. Students discover that the locus is a circle and then prove it. The key property: If a ray bisects an angle of a triangle, then it ...https://education.ti.com/en/activity/detail/cell-phone-towers
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
Addition of Parts
This activity is a self-contained discussion of the topic of segment and angle addition and allows the teacher to focus on the flow of the class rather than explanation. Students will be able to work through this activity easily and reach usable conclusions on their own. Also, examples are prov...https://education.ti.com/en/activity/detail/addition-of-parts
The Flag Problem
Students explore the area of a triangle with the base being one of the legs of a right angled trapezoid, and an opposite vertex being a point on the other leg of the trapezoid.https://education.ti.com/en/activity/detail/the-flag-problem
The Ladder Problem Revisited
In this activity students explore the locus of mid-point of the hypotenuse of a fixed length geometrically and algebraically and discover that the median a right triangle is equal to half the length of the hypotenuse. Students then prove this property. The problem: A ladder leans upright against ...https://education.ti.com/en/activity/detail/the-ladder-problem-revisited