Solution 32731: Inserting Chemical Equations Using the TI-Nspire™ Family Products.
... For example, to represent Sulphuric Acid, input [H] [2] [s] [shift] [O] [4], capitalizing the O manually. • Use parentheses to indicate whether a compound is solid (s), liquid (l), gas (g), or aqueous (aq). For example, to enter the following chemical equation inside a Chem Box, input [2] [C]...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32731
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
Genetic Probability
Use the SciTools App to simulate a Punnett square. Make predictions about genetic crosses. Learn about the following concepts; genes, alleles, dominant alleles, recessive alleles, homozygous individuals, heterozygous individuals, phenotypes, and genotypes.https://education.ti.com/en/activity/detail/genetic-probability
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
Projectile Motion Simulation
Students can investigate the effects of changing various initial quantities on the motion of a projectile. The simulation allows for firing a projectile over or up onto a cliff or over level ground. The results are displayed both graphically and mathematically.https://education.ti.com/en/activity/detail/projectile-motion-simulation
I Am Your Density
Students will model data using a linear equation, interpret the slope and intercept values from a linear model, and identify a characteristic property of a substance.https://education.ti.com/en/activity/detail/i-am-your-density
Curve Ball
In this activity, students' will create a Height-Time plot for a bouncing ball and use a quadratic equation to describe the ball's motion.https://education.ti.com/en/activity/detail/curve-ball
Solar Cookers and Easy Data
Students use a TI-84, Easy Temp and Easy Data to measure the quality of their solar cookers. Hot dogs are heated under the May sunshine after students design, build and test their own solar cookers.https://education.ti.com/en/activity/detail/solar-cookers-and-easy-data
Silenced Songbirds
Students calculate the probable number of Golden-Cheeked Warblers present in a particular area. Students prepare a marked map, calculate the number of square miles in the marked area, and estimate the number of birds that live in the area.https://education.ti.com/en/activity/detail/silenced-songbirds
Patterns in Counting
Students learn to count in multiples of numbers using concrete objects and a calculator. They also connect number symbols to quantities, and look for patterns in the number symbols.https://education.ti.com/en/activity/detail/patterns-in-counting
Forensics Case 13 - Life in the Fast Lane: Using skid marks to determine vehicle speed
Students determine the coefficient of friction between a vehicle and a road surface. They use the length of the skidding distance to determine the speed of a vehicle before its brakes were applied. Students convert between SI units and Imperial units and rearrange equations to solve for different...https://education.ti.com/en/activity/detail/forensics-case-13brlife-in-the-fast-lane-using-skid-marks-to-determine-vehicle-speed
Forensics Case 4 - Flipping Coins: Density as a characteristic property
In this activity, students identify counterfeit coins based on the characteristic property of density. They model data using a linear equation, interpret the slope and intercept values from a linear model, and identify a characteristic property of a substance.https://education.ti.com/en/activity/detail/forensics-case-4brflipping-coins-density-as-a-characteristic-property
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
Transient Circuit Analysis: Symbolic
Describes how to use the differential equation solver, deSolve(), to solve first- and second-order circuits containing resistors, capacitors, inductors, DC sources, and exponential sources. It also shows how to graph the solutions and find the zero crossing and peak values.https://education.ti.com/en/activity/detail/transient-circuit-analysis--symbolic
Exploring Hurricane Strength
In the activity, we explore multiple regression equations among Saffir-Simpson Scale, Pressure, Wind Speed, and Storm Surge of hurricanes. We relate our models to Hurricane Katrina, Gustav, and Ike.https://education.ti.com/en/activity/detail/exploring-hurricane-strength
Names for One-Half
Students use their understanding of integers, fractions, decimals, and operations to find mathematical expressions that equal one-half.https://education.ti.com/en/activity/detail/names-for-onehalf
Transient Circuit Analysis: Numeric
Describes how the differential equation plotter is used to solve the second-order circuit presented in Chapter 2 (Topic 8) by expressing it as a system of first-order differential equations.https://education.ti.com/en/activity/detail/transient-circuit-analysis--numeric
Analyzing Number Cube Sums
Students extend their understanding of theoretical probability and patterns. They use number cubes, to build awareness that a fraction and its decimal and percent representation on the calculator are "close," but not necessarily equal.https://education.ti.com/en/activity/detail/analyzing-number-cube-sums
Electromagnetics
Describes how to use the TI-89 to solve Laplace's equation for two-dimensional electrostatic problems. The separation of variables method provides exact solutions but is restricted to specific geometries. The relaxation method is applicable to any geometry, but it provides only an approximate s...https://education.ti.com/en/activity/detail/electromagnetics
How Salty Is It?
Students learn to solve a real-world problem involving salt water. Students will determine the amount of sea salt needed to turn an aquarium into a simulated salt-water environment. They also experiment with items and check their buoyancy in water with varying salt concentrations.https://education.ti.com/en/activity/detail/how-salty-is-it
Exploring Bivariate Data
Students graph scatter plots and understand the concepts of correlation and least-squares regression. They also perform transformations to achieve linearity in the data plot.https://education.ti.com/en/activity/detail/exploring-bivariate-data
Special Cases of Normally Distributed Data
Students perform single and two-sample t procedures to investigate special cases of normally distributed data. They explore inference for a least-square regression line, including the confidence interval.https://education.ti.com/en/activity/detail/special-cases-of-normally-distributed-data
Conics & Parametrics 1
This activity is a LearningCheck™ to quickly assess students' ability to identify conics from their equations in both rectangular and parametric form.https://education.ti.com/en/activity/detail/conics--parametrics-1
Chords and Circles
Students will begin this activity by exploring how the chord in a circle is related to its perpendicular bisector. Investigation will include measuring lengths and distances from the center of the circle. These measurements will then be transferred to a graph to see the locus of the intersection ...https://education.ti.com/en/activity/detail/chords-and-circles
Does a Correlation Exist?
In this activity, students will determine, by examining a graph, if a data set has a positive or negative correlation coefficient. Then, they will find the linear regression equation and calculate the correlation coefficient. They will use this line to predict the value of y for a given x and vic...https://education.ti.com/en/activity/detail/does-a-correlation-exist