Solution 34429: Finding the Row Echelon Form on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...atrix on a TI-84 Plus C Silver Edition? To find the Row Echelon form of a matrix, input the matrix, exit the matrix editor, and then paste the ref() function on the home screen with the name of the matrix. The example below will demonstrate this procedure. Example: Find the ref() of matrix [A] ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34429
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
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 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 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
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
Walk the Line
In this activity, students will be introduced to the CBR 2 motion sensor and the Vernier DataQuest™ app. They will collect and analyze both linear and non-linear data.https://education.ti.com/en/activity/detail/walk-the-line
Chi-Square Tests
In this activity, students will look at a problem situation that involves categorical data and will determine which is the appropriate chi-square test to use.https://education.ti.com/en/activity/detail/chisquare-tests
Rectangle and Trapezoid Approximations to Definite Integrals
Use visual representation of area estimation methods in order to determine which is most accurate.https://education.ti.com/en/activity/detail/trapezoid-and-midpoint-rules
How Much Does Bubble Gum Stretch a Rubber Band?
Students will conduct an experiment where they determine how much various quantities of bubble gum affect the length of a rubber band.https://education.ti.com/en/activity/detail/how-much-does-bubble-gum-stretch-a-rubber-band