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Solution 10375: Correcting a DOMAIN Error When Using the Seq() Command on the TI-82.

... Knowledge Base Search Why do I get a DOMAIN Error when using seq() command on the TI-82? A DOMAIN Error is returned when a list generated by the seq() command has more than 99 elements, which is the most elements the TI-82 will hold. The range or step of the seq() command...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/10375

Solution 34674: Maximizing a Linear Function with the Inequality Graphing Application on the TI-84 Plus CE and TI-84 Plus C Silver Edition.

...on with the Inequality Graphing application. Example: Maximize the profit, P= 3X+2Y, for quantities of two products, X and Y, given the following constraints on materials and time: X30, Y30 Y+X≥10 3X+Y≥15 Solution: • Press [APPS] to display the list of applications on the calculator. • Select...
https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34674

Solution 34672: Graphing the Fibonacci Sequence on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...earch How can I graph the Fibonacci sequence on the TI-83 Plus and TI-84 Plus family of graphing calculators? In a Fibonacci sequence the first two terms are 1 and 1. Each succeeding term is the sum of the two immediately preceding terms. Follow the procedure below to graph the Fibonacci...
https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34672

Solution 34620: Finding the Discriminant of a Quadratic Equation on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...calculators? The TI-83 Plus and TI-84 Plus family of graphing calculators do not have the built-in function to find the discriminant. However, the instructions below show how to compute the discriminant by using variables: The discriminant is a number that can be calculated from any quadratic e...
https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34620

Solution 12324: Solving Equations Using the TI-30X IIB / TI-30X IIS.

...the functionality for solving equations. The variables on these calculators are solely for memory purposes, which can be incorporated into Algebra by storing values to the variables, then using the variables to solve the equation. For Example: Solve the equation 2X^2+5X+3=0First, store value of c...
https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12324

Solution 34777: Graphing a Non-Recursive Sequence on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...)=2n+1. • Press [Y=] to access the Y= editor. • Press the up arrow key then press [1] [ENTER] to set the nMin value equal to 1. NOTE: nMin is smallest value of n the sequence will evaluate. To input the n variable, press [X,T,q,n]. • Press [2] [X,T,q,N] [+] [1] to set u(n) equal to 2n+1. • For...
https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34777

Solution 12160: Storing Formulas in the TI-89 Family, the TI-92 Family, and Voyage™ 200 Graphing Calculators.

... Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search How can I store a formula or equation in my calculator to save calculation time? There are two ways to store equations in the TI-89 family, TI-92 family, and Voyage 200 to save...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12160

General Cell Questions

This StudyCards(tm) stack enables students to review general concepts regarding cells.
https://education.ti.com/en/activity/detail/general-cell-questions

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

Vernier - Mix it Up: Combining Liquids of Different Temps

Students use the EasyTemp Probe to measure the temperature of hot and cold water before and after mixing. Students compare the mixing temperatures to a linear prediction. EasyData™ is needed for this activity.
https://education.ti.com/en/activity/detail/vernier--mix-it-up-combining-liquids-of-different-temps

Designing a Reaction Rate Experiment

In this activity, students will design, conduct, and report the outcome of an experiment in which they investigate some factor that affects the rate of reaction between baking soda and vinegar. The dynamic nature of the reaction, coupled with a wide range of possible choices of independent varia...
https://education.ti.com/en/activity/detail/designing-a-reaction-rate-experiment

Vernier - Comparing Sunscreens

In this activity, students use the UVB Sensor to measure the amount of UVB light that passes through a thin film of sunscreen. They analyze the relationship between the SPF values and the intensity of UVB light transmitted by the sunscreen.
https://education.ti.com/en/activity/detail/vernier--comparing-sunscreens

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

Vernier - Water Quality - TDS (Total Dissolved Solids)

In this activity, students will use the Vernier Conductivity Probe to measure the Total Dissolved Solids in samples of water.
https://education.ti.com/en/activity/detail/vernier--water-quality--tds-total-dissolved-solids

Add Them Up

Students explore the total voltage provided by several batteries in a series to a battery-operated device. They graph scatter plots, understand multiplication as repeated addition, and use a pattern to develop a formula. They learn how to develop a formula from a pattern of increasing voltage and...
https://education.ti.com/en/activity/detail/add-them-up

Hooke's Law

Students study Hooke's Law. They understand that stretch on a spring is directly proportional to the force applied to the end of the string. Students observe a spring being stretched as candies are added to a cup attached to the spring. They learn to graph scatter plots, analyze linear function, ...
https://education.ti.com/en/activity/detail/hookes-law

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

Falling Down

In this activity, students' will determine the average speed of a falling object. They will observe whether or not changing the mass and keeping the same shape have an effect on the average speed of the object.
https://education.ti.com/en/activity/detail/falling-down

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

Predicting π

Students explore the use of linear measurement and calculators to discover the existence of π, the constant ratio between the circumference and the diameter of a circle.
https://education.ti.com/en/activity/detail/predicting-π

"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

Picturing Probabilities of Number Cube Sums

Students use ideas of ratio and proportion to investigate various ways to make a circle graph. Students create graphs to display the probabilities of the different sums that can be generated with two number cubes.
https://education.ti.com/en/activity/detail/picturing-probabilities-of-number-cube-sums

Putting Things in Place

Students investigate the value of the digits in $8,205.50 and determine the number of thousands, hundreds, tens, ones and even the number of dimes and pennies. The concept is then extended to additional situations. They learn where to place a decimal when writing amounts of money and to perform a...
https://education.ti.com/en/activity/detail/putting-things-in-place