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Solution 11820: Algorithm Used for the cZeros() (Complex Zeros) Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

... expression = 0 by using the lexical Gröbner/Buchberger elimination method to attempt to determine all complex zeros.. The cZeros(expr, var) function does this by computing exp►list(cSolve(expression = 0, var, var). Please refer to the example provided below. cZeros(x5+4x4+5x3-6x-3, x) • Press [2...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11820

Solution 12105: Compatibility of Data Collection Tools with the TI-89 Family, TI-92 Plus and Voyage™ 200.

...th the TI-89 family, TI-92 Plus and the Voyage 200. The application required to use these tools is the Datamate application. It is available for free download from Vernier. Please see the Data Collection guidebooks and the graphing calculator guidebooks for additional information. Solution 12105...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12105

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.

...system is "singular" (when using floating point numbers, this usually means that the linear system is "nearly singular" or "ill-conditioned"). This does not mean that the algorithm in the TI-89 family, TI-92 family, and Voyage 200 is weaker than that in the TI-85 and TI-86, simply more cautious...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11695

Solution 10403: Symbolic Manipulation Capabilities of the TI-85 when Computing Derivatives.

... mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-f...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10403

Solution 11374: Compatibility Between TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators Data and Programs.

...nd keyboards. Compared to a TI-92, the TI-89, TI-89 Titanium, TI-92 Plus, or Voyage 200: 1) Have functions, instructions, and system variables that do not exist on the TI-92. 2) Can use the same variable to define and then evaluate a user-defined function or program. For example, a function can...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11374

Solution 34843: Entering Complex Elements in a Matrix on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...s elements of a matrix on the TI-83 Plus and TI-84 Plus family of graphing calculators? The TI-83 Plus and TI-84 Plus family of graphing calculators do not allow the use of complex numbers in matrices.  If an imaginary or complex number is entered as a matrix element, a "DATA TYPE" error is retu...
https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34843

Solution 12253: Computing the Log of a Negative Number on the TI-30X IIS/B and TI-30XS MultiView™.

... Can the TI-30X IIS/B and TI-30XS MultiView compute the log of a negative number? The TI-30X IIS/B and TI-30XS MultiView scientific calculators do not have the functionality to compute negative logs. By definition, the log of a number is the power to which it is raised by 10 to get that nu...
https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12253

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

Metabolic Magicians

In this activity, students understand the relationship between enzyme reaction rates and various environmental factors such as pH and temperature. They recognize the metabolic differences between endotherms and exotherms. They generate graphs by inputting reasonable data modeling enzyme activity ...
https://education.ti.com/en/activity/detail/metabolic-magicians

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

Science TODAY™ - Corn Crop is a Bin-Buster

Using the USA TODAY Snapshot® " data from the USDA Statistics Service website, and information from a USA TODAY article,  students will be asked to calculate percent change, do summations of data, observe trends, and offer explanations as to the reasons for those trends in agricultural p...
https://education.ti.com/en/activity/detail/science-today--corn-crop-is-a-binbuster

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

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

Vernier - An Inclined Plane

In this activity, students will use a Force Sensor to measure the force needed to lift an object and the force needed to pull the same object up an inclined plane. They will also calculate work done and efficiency and make conclusions.
https://education.ti.com/en/activity/detail/vernier--an-inclined-plane

Slow Down - Speed Up

In this activity, students' will use a motion detector to observe the effect of speeding up, slowing down, and moving at a constant rate on a Distance versus Time plot.
https://education.ti.com/en/activity/detail/slow-down--speed-up

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

Vernier - Heart Rate and Body Position

In this activity, students will use a Heart Rate Monitor to measure their heart rate while sitting, lying down, and standing. They will analyze the data collected to determine the effect of body position on heart rate.
https://education.ti.com/en/activity/detail/vernier--heart-rate-and-body-position

Randomization in Sampling and Experiments

This activity covers random sampling and randomization for experiments.
https://education.ti.com/en/activity/detail/randomization-in-sampling-and-experiments

Laplace Analysis: The s-domain

Demonstrates the utility of symbolic algebra by using the Laplace transform to solve a second-order circuit. The method requires that the circuit be converted from the time-domain to the s-domain and then solved for V(s). The voltage, v(t), of a sourceless, parallel, RLC circuit with initial co...
https://education.ti.com/en/activity/detail/laplace-analysis--the-sdomain

Graphical Displays of Univariate Data

Students will sort data and construct stemplots, dotplots, histrograms, and frequency plots.
https://education.ti.com/en/activity/detail/graphical-displays-of-univariate-data

What's the Fastest Way to Get Rich?

Students investigate exponential growth and discover patterns by exploring different scenarios involving money. They will learn how repeatedly doubling, or multiplying by two, can also be expressed exponentially.
https://education.ti.com/en/activity/detail/whats-the-fastest-way-to-get-rich

Solution 11152: Graphing Calculators that are Compatible with the TI-GRAPH LINK™ Software.

...his software supports all of the calculator models listed here except for the TI-80 View Screen, TI-82 and TI-85. TI Connect is fully supported on Windows 7, 8 and 10 operating systems. Please Note: The TI-Connect software does not include a program editor within the software. Customers using the...
https://education.ti.com/en/customer-support/knowledge-base/sofware-apps/general-information/11152

Solution 11627: Peripheral Configuration on the PS-6155 Docking Station.

... Knowledge Base Knowledge Base Search Can a 9 to 25 pin serial adapter be used to connect the PS-6155 docking station to a computer? The adapter can only be dedicated for serial communications; it will run on a 25 pin serial port. The majority of 25-pin communication...
https://education.ti.com/en/customer-support/knowledge-base/all-other-products/product-usage/11627

Solution 36354: TI-SmartView™ not Responding to Computer Keyboard.

... to click a key on the emulated calculator to give that portion of the software focus.• Verify the computer keyboard works with other programs. If it does not, try disconnecting and reconnecting it, or using a different USB port if this is a USB keyboard.• Verify the key you are pressing correspo...
https://education.ti.com/en/customer-support/knowledge-base/sofware-apps/troubleshooting-messages-unexpected-results/36354