Solution 11778: Different Logistic Regression Models Available On Current Texas Instruments Graphing Calculators.
...3 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why is the logistic regression computed on the TI-83 family, TI-84 Plus family, TI-Nspire family, and TI-Nspire handheld in TI-84 Plus mode different from the one computed on the...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11778
Solution 29690: Calculating Inverse of a Matrix Using the TI-Nspire™ Family Products.
... Home | TI-Nspire™ family of products Knowledge Base Knowledge Base Search How do I compute the inverse of a matrix using the TI-Nspire family products? To compute the inverse of a matrix using the TI-Nspire family handhelds and co...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/29690
Solution 40403: Correcting Syntax Error when Subtracting or Using Negative Numbers on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ly of products Knowledge Base Knowledge Base Search Why do I receive an “ERROR: SYNTAX” or “ERR:SYNTAX” when computing using subtraction or negative numbers on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators? On the TI-83 Plus and TI-84 Plus f...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/40403
Solution 17649: Using the GetCalc( Command on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... and TI-84 Plus family of products Knowledge Base Knowledge Base Search How do I use the GetCalc( command to transfer a variable from one TI-83 Plus and TI-84 Plus family of graphing calculator to another? The GetCalc( command is used to copy the contents ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/17649
Solution 11693: Algorithm for Solving Trigonometric Functions (Sine, Cosine and Tangent) on Texas Instruments' Graphing Calculators.
...Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search How does TI graphing calculators compute values for sine, cosine and tangent? Texas Instruments uses the CORDIC algorithm method to compute trigonometric and other transcendenta...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11693
Outbreak!
In this activity, students simulate the spread of a virus. They produce a graph representing the spread and analyze the rates of change over time. Students compare how viral and bacterial infections spread in a population.https://education.ti.com/en/activity/detail/outbreak
Setting the Trend
Students will determine the trend in atomic radius for the periodic table, the trend in first ionization energy for the periodic table, and the trend in electronegativity for the periodic table.https://education.ti.com/en/activity/detail/setting-the-trend
Simple Ionic Compounds
In this lesson students will review and test their understanding of simple ionic compounds.https://education.ti.com/en/activity/detail/simple-ionic-compounds
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
Molar Gas Lab
Students use stoichiometry to determine the mass of oxygen gas in a bottle. They may also check their answer against the amount of potassium chloride produced during the reaction.https://education.ti.com/en/activity/detail/molar-gas-lab
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
Intro to Chemistry
This StudyCards(tm) stack enables students to review the vocabulary terms encountered in an introductory chemistry class.https://education.ti.com/en/activity/detail/intro-to-chemistry
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
The River of Life
In this activity, students compare human body mass with blood volume. They graph the data and build a regression model. They estimate their own blood volume and also predict volumes of blood for other animals.https://education.ti.com/en/activity/detail/the-river-of-life_1
Science TODAY™ - More of U.S. (formally Science TODAY™ - More the Merrier)
Students examine the USA TODAY Snapshot™ "More of U.S.", construct a graph from the data, produce a mathematical model (linear) for the data, determine the rate of change for the data, and make predictions about future population levels.https://education.ti.com/en/activity/detail/science-today--more-of-u-s--formally-science-today--more-the-merrier
Vernier - Microscale Acid-Base Titration
In this activity, students' will use a pH sensor to determine the change in pH during a titration of a known concentration of NaOH and unknown concentration of HCl. Students' will determine the concentration of unknown HCl.https://education.ti.com/en/activity/detail/vernier--microscale-acidbase-titration
Science TODAY™ - The USA's Expanding Weight Problem
This activity reveals the incidence of obesity in the United States. Students will analyze "The USA's expanding weight problem" and other data to construct a graph, analyze the trends in the data, and make predictions about the future.https://education.ti.com/en/activity/detail/science-today--the-usas-expanding-weight-problem
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
Vernier - pH
Students use a pH sensor to measure the pH level of water in a stream or lake. They examine how air pollutants like sulphur dioxide, nitrogen oxides, and carbon dioxide cause acid rain, which affects the pH of water bodies and aquatic organisms.https://education.ti.com/en/activity/detail/vernier--ph
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
Vernier - Dissolved Oxygen
Students use the Dissolved Oxygen Probe to measure the concentration of dissolved oxygen in water from streams and rivers. They correlate the availability of dissolved oxygen to temperature, pressure, and salinity.https://education.ti.com/en/activity/detail/vernier--dissolved-oxygen
Vernier - Determine Concentration of a Solution: Beer's Law
Students will use a Vernier Colorimeter to determine the relationship between concentration and absorbance of nickel sulfate solution (Beer's law). They will then determine the concentration of a unknown sample using the standard curve.https://education.ti.com/en/activity/detail/vernier--determine-concentration-of-a-solution-beers-law
Vernier - Determining the Mole Ratios in a Chemical Reaction
Measure the enthalpy change of a series of reactions. Determine the stoichiometry of an oxidation-reduction reaction in which the reactants are known but the products are unknown.https://education.ti.com/en/activity/detail/vernier--determining-the-mole-ratios-in-a-chemical-reaction
Call it ...Dominant or Recessive
In this activity, students simulate a Punnett square of a cross between two heterozygous individuals and produce a histogram. They compare actual and expected results of genetic crosses.https://education.ti.com/en/activity/detail/call-it----dominant-or-recessive
Diprotic Acid Lab and Easy Data
Maleic Acid gives an excellent diprotic acid titration curve showing both inflection points clearly for calculation of molecular weight.https://education.ti.com/en/activity/detail/diprotic-acid-lab-and-easy-data