Solution 18689: Calculating the gcd() (Greatest Common Divisor) on the TI-73 Family Graphing Calculators.
...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 [MATH] [2] for gcd( • Input the values separated by a [,] and press [)] [ENTER] Please see the examples provided below: ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18689
Solution 24995: Answers that Include an @1 or a Component Formatted as @k on the TI-89 Family, TI-92 Family, or Voyage™ 200
...same or another problem, is listed as @2 and the next iterations will show as @3,@4....@k. The equation below is a slight variation on the command above: solve(x^2+y^2=r^2 and (2x-r)^2+y^2=r^2,{x,y,z}) and the answer is x=r/3 and y=(2*square root of 2*r)/3 and z=@2 or x=r/3 and y=(-2*square root...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/24995
Solution 11695: Algorithm Used to Compute a Cubic Polynomial on a TI-85, TI-86, TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...m that is truly too ill-conditioned to solve with the precision available. The good news is that the "singularity" in this problem can easily be removed by simply scaling the data in the following manner: X` = (X - X-bar) / MAX(ABS(X)) and Y` = (Y - Y-bar) / MAX(ABS(Y)) Where X-bar & Y-bar a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11695
Solution 12161: String Commands on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...aphing Calculator products Knowledge Base Knowledge Base Search What are the different string commands and their meanings on the TI-89 Family, TI-92 Family, and Voyage 200 graphing calculators? The following are the different string commands and their meani...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12161
Percentage Composition of Methane
Participants analyze the atomic percentage composition of methane using the calculator, lists and graphs. The spatial orientation of the carbon and hydrogen atoms in the methane molecule is also analyzed.https://education.ti.com/en/activity/detail/percentage-composition-of-methane
Vernier - Nitrate
Student uses the Nitrate Ion-Selective Probe to measure the Nitrate ions concentration in water samples. In another method, student converts nitrate ions to nitrite and use the Vernier Colorimeter to measure nitrite and calculate the nitrate levels.https://education.ti.com/en/activity/detail/vernier--nitrate
What Does a Buffer Do?
Buffers are solutions that resist a change in pH. In this activity, students will add HCl dropwise to a measured amount of water, monitoring the pH. Students then repeat the process, using a simple buffer prepared by combining baking soda and tonic water. A comparison of the results will allow...https://education.ti.com/en/activity/detail/what-does-a-buffer-do
Electron Charge Lab
Student may experimentally determine the magnitude of the elementary charge on an electron.https://education.ti.com/en/activity/detail/electron-charge-lab
Vernier - Freezing Temperature of Ocean Water
This activity makes use of the Temperature Probe to measure the temperature of water as it cools and freezes. Students' determine and compare the freezing temperature of fresh water and ocean water.https://education.ti.com/en/activity/detail/vernier--freezing-temperature-of-ocean-water
This is for the Birds!
This activity enables students to practice various skills such entering lists, comparing data, and utilizing statistical terms on the graphing calculator.https://education.ti.com/en/activity/detail/this-is-for-the-birds
Two Hot, Two Cold
In this activity, students collect both Celsius and Fahrenheit temperature data for several water samples of varying temperatures. They use the data to find a conversion equation that will calculate the Fahrenheit temperature for any given Celsius temperature.https://education.ti.com/en/activity/detail/two-hot-two-cold
Predictable Patterns with Addition
Students learn to compare numbers. They generate patterns using repeated addends and different starting points.https://education.ti.com/en/activity/detail/predictable-patterns-with-addition
"Power"ful Patterns
Students investigate the relationship between multiplication with repeated factors and the use of exponents. Students will connect "powers of ten" to place value positions.https://education.ti.com/en/activity/detail/powerful-patterns
Place-Value Spinners
Students also explore probability and patterns in place value by using two spinners and analyze and record the results.https://education.ti.com/en/activity/detail/placevalue-spinners
Number and Operations - 100 or Bust
Students explore the operations of addition, subtraction, multiplication, and division of whole numbers and integers.https://education.ti.com/en/activity/detail/number-and-operations--100-or-bust
Tints and Shades
Students solve a problem involving mixing of paint colors. They use color charts to determine the fractional parts and percentages of colors needed to create tints and shades.https://education.ti.com/en/activity/detail/tints-and-shades
Random Remainders
Students explore the use of a calculator to investigate the relationship between divisors and remainders in whole-number division.https://education.ti.com/en/activity/detail/random-remainders
Picturing Percents
Students represent percents on a 10 X 10 grid. They use the grid and the calculator to generate patterns that lead to methods for calculating percentages.https://education.ti.com/en/activity/detail/picturing-percents
Remainder Rules
Students use calculators, whole-number division, multiplication, addition, and subtraction to generate mathematical expressions that describe the relationships between dividends, divisors, quotients, and remainders.https://education.ti.com/en/activity/detail/remainder-rules
Only Half There?
Students use measuring tools and calculators to make half-sized drawings of themselves.https://education.ti.com/en/activity/detail/only-half-there
Forensics Case 10 - Dropped at the Scene: Blood spatter analysis
In this activity, students graph data to find quantitative relationships and create a standard reference curve for comparison with unknown data. They analyze blood spatters and examine r2 values for linear, natural logarithm, quadratic, and power curve fit. They find the curve that best fits the ...https://education.ti.com/en/activity/detail/forensics-case-10brdropped-at-the-scene-blood-spatter-analysis
Toys on a slope
Participants analyze data from toys rolling down a slope. Velocity is determined using lists and graphs.https://education.ti.com/en/activity/detail/toys-on-a-slope
Forensics Case 14—Hot Air, Cold Body: Using Newton's Law of Cooling to Determine Time of Death
Students create a temperature versus time graph for cooling and become familiar with Newton's Law of Cooling. They use the cooling-rate equation to estimate time of death of the victim.https://education.ti.com/en/activity/detail/forensics-case-14hot-air-cold-body-using-newtons-law-of-cooling-to-determine-time-of-death
Names for 100
Students will use the calculator to carry out operations of addition, subtraction, division, and multiplication on integers, fractions, and decimals to find mathematical expressions that equal 100.https://education.ti.com/en/activity/detail/names-for-100
Coast to Coast with Alice
Students learn to solve a real-world problem comparing automobile travel in the early 1900s and travel today. They follow the route taken by Alice in 1909 from New York City to San Francisco and determine how long the trip would take today.https://education.ti.com/en/activity/detail/coast-to-coast-with-alice