Solution 11748: Explanation of r^2 and R^2 on the TI-83 Family or TI-84 Family Graphing Calculator.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why is R^2 computed for some regressions on a TI-83 family or TI-84 family graphing calculator? The following information details when r2 and R2 are computed ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11748
Solution 11852: Algorithm for tCollect() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... Knowledge Base Knowledge Base Search How do the TI-89 family, TI-92 family, and Voyage 200 graphing calculators compute the results for the tCollect() function? The algorithm for the tCollect( function is defined as follows: tCollect( repeatedly uses the wel...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11852
Solution 11853: The Algorithm for cFactor() Function on the TI-89 Family, TI-92 Family, and Voyage 200™ Graphing Calculators.
...er Graphing Calculator products Knowledge Base Knowledge Base Search What is the algorithm for the cFactor() (complex factor) function on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The algorithm for cFactor() function is the same ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11853
Solution 12110: Appending Two Lists Into One on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search How can I combine data from two lists into one list on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? Use the augment() function to ap...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12110
Solution 12109: Accuracy Information for the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search What is the computational and graphing accuracy for the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? Computational Accuracy • Floating-poi...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12109
Solution 12760: Preventing the Loss of Applications on the TI-89 Titanium and Voyage™ 200 Graphing Calculators With OS v3.xx.
...ange the batteries as soon as possible. Do not pull the batteries out while there is a progress bar displayed. Do not wait for the batteries to drain completely. 2) When changing the batteries, do not replace them one at a time. This could create a condition where the unit is interrupted during i...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12760
Solution 18709: Calculating the gcd() (Greatest Common Divisor) on the TI-85 and TI-86 Graphing Calculators.
... is returned. The syntax is as follows: gcd(valueA,valueB) gcd(listA,listB) Examples: • Find the greatest common divisor for lists A and B: {12,14,16}, {9,7,5} • Find the greatest common divisor for 36 and 280. The gcd() function can be located by following the keystrokes provided below...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18709
Solution 18689: Calculating the gcd() (Greatest Common Divisor) on the TI-73 Family Graphing Calculators.
...west terms on the TI-73 family. The syntax is as follows: gcd(valueA,valueB) Examples: • Find the greatest common divisor for the fraction, 27/36. • Find the greatest common divisor for 50 and 350. The gcd() function can be located by following the keystrokes provided below: • Press...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18689
Solution 10215: Polynomial Root Finder and Simultaneous Equation Solver App gives Unexpected Result for the TI-83/84 Plus, TI-89/TI-92/Voyage 200 and the TI-85/TI-86 families of the Graphing line of Calculators.
... Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search Why do I receive unexpected complex results when using the Polynomial Root Finder and Simultaneous Equation Solver Application? The following explains why complex results are ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10215
Solution 15909: Finding the Two's Complement of a Binary Number Using the TI-36X Solar Scientific Calculator.
...of negation (converting positive to negative numbers or vice versa) in computers. In an n-bit binary number, the most significant bit is usually the 2^(n-1)'s place. But in the two's complement representation, its place value is negated; it becomes the -2^(n-1)'s place and is called the sign bit...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/15909
Solution 33451: Calculating Combinations and Permutations on the TI-36X Pro.
...emonstrate how to calculate combinations and permutations on the TI-36X Pro scientific calculator. Example 1: What are the combinations of 4 choosing 2? Solution: 1) Press [4] [!nCr nPr] [!nCr nPr]. This is the key located in the third column, third row. 2) Press [2] [enter]. 3) The solution will...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/33451
Solution 34878: Explanation of r^2 and R^2 on the TI-84 Plus C Silver Edition Graphing Calculator.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why is R^2 computed for some regressions on a TI-84 Plus C Silver Edition? The following information details when r2 and R2 are computed using a TI-84 Plus C ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/34878
Solution 35012: Calculating nth Roots Using the TI-36X Pro.
... Home | Scientific, elementary & basic calculators Knowledge Base Knowledge Base Search How do I perform nth root computations using the TI-36X Pro? The example below will demonstrate how to perform nth root computations on the TI-36X Pro.Example: What is the ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/35012
Solution 34718: Calculating Permutations and Combinations Using the TI-84 Plus C Silver Edition Calculator.
...elow will demonstrate how to calculate permutations and combinations using the TI-84 Plus C Silver Edition.Example: How many possible permutations of 2 cards can be chosen from a deck of 5 cards?• Input 5.• Press [MATH], arrow right to highlight PRB, then press [2] to select the nPr function.• In...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34718
Solution 12300: Calculating 2-Variable Statistics on the TI-36X Solar Scientific Calculator.
... Home | Scientific, elementary & basic calculators Knowledge Base Knowledge Base Search How do I compute 2-variable statistics on the TI-36X Solar? To perform 2-variable statistics on the TI-36X Solar scientific calculator, please refer to the ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12300
Solution 12251: Calculating nth Roots Using the TI-30X IIS/B, TI-34 II Explorer Plus™ and TI-30XS MultiView™ Scientific Calculators.
... Home | Scientific, elementary & basic calculators Knowledge Base Knowledge Base Search How do I perform nth root computations using the TI-30X IIS/B, TI-34 II Explorer Plus and TI-30XS MultiView scientific calculators? The example below will demonstrate how to...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12251
Solution 15769: Calculating Combinations and Permutations on the TI-30X IIS/B and TI-34 II Explorer Plus™.
...te how to calculate combinations and permutations on the TI-30X IIS/B and TI-34 II Explorer Plus:For example: What are the combinations of 5 choosing 2?1) Press [5] [PRB] [Right Arrow] [ENTER] [2] [ENTER].The screen will show 10.For example: What are the permutations of 5 choosing 2?1) Press [5] ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/15769
Solution 15789: Calculating Combinations and Permutations on the TI-30Xa and TI-30Xa Solar.
...ill demonstrate how to calculate combinations and permutations on the TI-30Xa and TI-30Xa Solar: Example: What are the combinations of 6 choosing 2? Combination Solution: 1) Press [6] [2nd][8] (for nCr) [2][ENTER]. The solution will be shown as 15. Permutation Solution: 1) Press [6] [2...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/15789
Solution 12305: Calculating nth Roots Using the TI-36X Solar and TI-30Xa Family Scientific Calculators.
... Home | Scientific, elementary & basic calculators Knowledge Base Knowledge Base Search How do I perform nth root computations using the TI-36X Solar or TI-30Xa family scientific calculators? The example below will demonstrate how to perform nth root computatio...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12305
Science TODAY™ - Growing Bigger by the Decade
Students will examine the current and predicted population data from the countries included in the USA TODAY Snapshot® "Growing bigger by the decade".https://education.ti.com/en/activity/detail/science-today--growing-bigger-by-the-decade
Vernier - Enzyme Action: Testing Catalase Activity
Students will use an O2 Gas Sensor to measure the amount of O2 produced when H2O2 is broken down by the enzyme catalase at different concentrations, pH values, and temperatures. They will also measure the enzyme's initial reaction rates.https://education.ti.com/en/activity/detail/vernier--enzyme-action-testing-catalase-activity
Hooke's Law: The Rest of the Story
Students study Hooke's Law. They explore the linear behavior of a spring as it is pulled downward and understand that stretch on a spring is directly proportional to the force applied to the end of the string. Students create scatter plots, calculate slopes, and discuss positive and negative slopes.https://education.ti.com/en/activity/detail/hookes-law-the-rest-of-the-story
Exploring Motion Graphs
Students will create distance-time and velocity-time graphs with CBL2™ and motion detectors.https://education.ti.com/en/activity/detail/exploring-motion-graphs
Problem-Solving Steps
Students learn the four steps of problem solving: Understanding the problem, making a plan, carrying out the plan, and evaluating the results. This activity helps students develop skills to solve problems.https://education.ti.com/en/activity/detail/problemsolving-steps
Patterns in Percent
Students will use the % key to collect data about percentages of a given number. They will organize the data and look for patterns in percents. (For example, 10% of 20 is twice as much as 5% of 20.)https://education.ti.com/en/activity/detail/patterns-in-percent