Solution 34491: Calculating the Cumulative Sum of a Matrix on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... C Silver Edition graphing calculator? To find the cumulative sum of a matrix, input the matrix, exit the matrix editor, and then paste the cumsum() function on the home screen with the name of the matrix. The example below will demonstrate this procedure. Example: Find the cumsum() of matrix [...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34491
Expressions of Love for TI-Cares™ Support | Texas Instruments
...rence presentation. We would love for you to contact us! love for you to contact us — don’t leave us all alone this Valentine’s Day! --> A happy customer’s response to help she received on a call. About: For more than 30 years, TI-Cares™ customer support has provided world-c...https://education.ti.com/en/bulletinboard/2023/ti-cares-customer-support-love
Assessing Student Thinking | Texas Instruments
... understand — even those giving the correct answers. What if we look underneath the correct answer? Is the student’s thinking correct? Is he using an appropriate strategy, or is his thinking flawed in some way even though it yields the correct answer in certain situations? For example, let’s l...https://education.ti.com/en/bulletinboard/2023/assessing-student-thinking
Get on the Stick (Biology Applications)
Students use a motion detector to the measure the reaction time of other students. They graph the data from trials conducted in the class and analyze trends. They then calculate drop distance from reaction time.https://education.ti.com/en/activity/detail/get-on-the-stick-biology-applications
Exploring the Area Under a Curve
Students explore Riemann sums to find the approximate area under the graph of a parabola on the interval [0, 1].https://education.ti.com/en/activity/detail/exploring-the-area-under-a-curve
TI Holiday Cheer Contest | Texas Instruments
...way for us to contact you in the caption. Three entries will win: A “Math is lit” neon sign, winner’s choice of a TI graphing calculator, and other fun TI swag goodies. li {padding-bottom: 8px;} div.main-img.column img { margin-bottom: 25px; } Jingle all the way fo...https://education.ti.com/en/promotion/holidaycheercontest
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
Solution 25070: Troubleshooting Issues Capturing Application Screen Images using the TI Screen Capture Application of the TI Connect™ Software.
... Knowledge Base Knowledge Base Search Using TI Screen Capture, I am not able to capture the screen of my calculator while running the Probability Simulation (ProbSim) app. Are there any other apps which cannot be used along with TI Screen Capture? If the...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/25070
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
Dice Rolling and Probability
Students will utilize the Spreadsheet and Data and Statistics applications in the TI-Nspire handheld. They will create randomly generated data and will plot it in a Dot Plot to recognize relative frequency of outcomes.https://education.ti.com/en/activity/detail/dice-rolling-and-probability
Finding Extraneous Solutions
Students will solve different types of equations step by step graphically. They will discover that some of the equations have an extraneous solution and they will investigate at which step in solving the equation that these "extra" solutions appear.https://education.ti.com/en/activity/detail/finding-extraneous-solutions
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
Law of Sines
In this activity the student will explore the Law of Sines, a theorem involving sine ratios that applies to all triangles.https://education.ti.com/en/activity/detail/law-of-sines_2
Slider Template
In this activity, students learn to create a slider to use in various applications.https://education.ti.com/en/activity/detail/slider-template
Summing up Geometric Series
This lesson involves clicking on a slider to see that the area of a square that has been systematically divided into an infinite number of pieces approaches 1.https://education.ti.com/en/activity/detail/sum-of-infinite-geometric-series
Outbreak
Students explore a geometric sequence related to an outbreak of the flu, extrapolate to make predictions based on given data, and apply summation notation to determine the sum of any number of terms, n, in a series.https://education.ti.com/en/activity/detail/outbreak
Laws of Sines and Cosines - IB
Students explore the proofs of the Laws of Sine and Cosine, investigate various cases where they are utilized, and apply them to solve problems.https://education.ti.com/en/activity/detail/laws-of-sines-and-cosines_ns_ib
Calculations at the Crazy Cookie Company
...ices. The tutorial leads them through matrix product operations to find rules for matrix multiplication and predicting dimensions of matrix products. Application of matrix multiplication to the real-world is the goal of the Crazy Cookie Company problem in the latter part of the activity, which st...https://education.ti.com/en/activity/detail/calculations-at-the-crazy-cookie-company
Application of Polynomials
Students use the volume formula to find cubic polynomials in order to determine the dimensions of four different-size boxes used for packaging trash bags.https://education.ti.com/en/activity/detail/application-of-polynomials
Extraneous Solutions
Students will solve quadratic equations step by step graphically. They will discover that some of the equations have an extraneous solution and they will investigate at which step in solving the equation that these extra solutions appear.https://education.ti.com/en/activity/detail/extraneous-solutions
Solution 11942: Converting Mixed Numbers to Improper Fractions on the TI-83 Plus Family of Graphing Calculators.
...ndheld in TI-84 Plus mode with the latest operating system installed: 1) Press [ALPHA] [Y=] to access the FRAC menu. 2) Press [2] to select the Un/d function. 3) Input 1 and press [►]. 4) Input 3 and press [▼]. 5) Input 5 and press [►] [ENTER]. If using the TI-83 family calculator: 1) Input 1 a...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11942
Solution 34495: Converting Mixed Numbers to Improper Fractions on the TI-84 Plus Family of Graphing Calculators.
... examples below. For Example: Convert 1 3/5 to an improper fraction. 1) Press [ALPHA] [Y=] to access the FRAC menu. 2) Press [2] to select the Un/d function. 3) Input 1 and press [Right Arrow] 4) Input 3 and press [Down Arrow]. 5) Input 5 and press [Right Arrow] [ENTER]. For Example: Convert 9...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34495