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Solution 11401: Selecting Multiple Equations Under Different 'When' Headings in the ME*Pro® Application.

...m deflection are different depending on whether the deflection at distance x along the beam is calculated to the left side of the load (xa).  Since these conditions cannot simultaneously exist, ME*Pro restricts selection to equations under a single 'when' heading. However, in at least one known c...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11401

Solution 10455: Equations Used to Create the Graphs on the TI-92 Plus Manual.

...tions were used to create the graphs on the TI-92 Plus manual? The graphs on the manual used the following equations and settings. MODE setting (Press [MODE])Graph...DIFF EQUATIONS Split Screen...LEFT-RIGHT Split 1 App...Y= Editor Split 2 App...Y= Editor Number of graphs...2 Graph 2...3D ...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10455

Solution 33912: Solving a System of Linear Equations Using the TI-36X Pro.

...ou may use the negative or minus key. For Example:3x + 3y - 4z = -3-x + 2y + 5z = 188x + 4y - 7z = -5For this example, use the 3x3 linear system.1) Press [2nd] [sys-solv]2) Arrow down to 3x3 LIN SYSTEM and press [enter]3) Input the entries, pressing enter after each entry4) Highlight SOLVE and pr...
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Solution 15809: Calculating Equivalent Units of Time on the TI-15 Explorer™.

...or calculating equivalent units of time on the TI-15 Explorer.   Example: A runner ran 2 kilometers in 450 seconds. Convert the runner’s time to minutes and seconds. 450 seconds = ? minutes and ? seconds. Solution: • Press [4] [5] [0]. • Press [Int÷]. • Press [6] [0] [ENTER]. The calculator shoul...
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Solution 15420: Correcting the Error "Equation Length" on the TI-30X IIS/B and TI-30XS/TI-30XB MultiView™ Scientific Calculators.

...an I correct the error "Equation Length" on the TI-30X IIS/B and TI-30XS/TI-30XB MultiView scientific calculators? The error "Equation Length" indicates that the entry exceeds the maximum number of digits allowed in the entry line for statistics or a constant entry line. • For the TI-30X IIS/B, t...
https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/troubleshooting-messages-unexpected-results/15420

Solution 11870: Using Solve( with Trigonometric Functions Returns Unexpected Results on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

... Why does solve(sin(x)=0,x) return x=@n1*p on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? This equation has an infinite number of points where sin(x)=0. For example, sin(p)=0, sin(2p)=0, sin(3p)=0 and so on... The TI-89 family, TI-92 family,...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/11870

Solution 23370: Solving Quadratic Equations on the TI-30X IIS/B and TI-34 II Explorer Plus™.

...TI-30X IIS/B or TI-34 II Explorer Plus? The TI-30X IIS/B and TI-34 II Explorer Plus do not have the functionality for solving equations. The variables on these calculators are solely for memory purposes. However, users can incorporate the variables into algebra by storing a value to the variabl...
https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/23370

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

...fer to the example below to maximize a linear function 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 ...
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Solution 34672: Graphing the Fibonacci Sequence on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...re 1 and 1. Each succeeding term is the sum of the two immediately preceding terms. Follow the procedure below to graph the Fibonacci sequence: 1) Press [mode] 2) Press [↓] [↓] [↓] [→] [→] [→] to select SEQ and press [enter] 3) Press [Y=]. 4) For nMin= press [↑] [1] [enter] 5) For u(n)= press [...
https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34672

Solution 12297: Squaring Negative Numbers on Texas Instruments Scientific and Elementary Calculators.

...lators Knowledge Base Knowledge Base Search How do I square a negative number on my scientific or elementary calculator? These calculators use an Equation Operating System (EOS™),  which evaluates from left to right, allowing the user to enter numbers and functions in a...
https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12297

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

...tors 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 equation. A quadratic equation is an equation that can be written as ax...
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.

... can I solve equations using the TI-30X IIB / TI-30X IIS? The TI-30X IIB / TI-30X IIS do not have 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 v...
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.

...t variable n and each term is independent of all the other terms. NOTE: For this example, the handheld's mode settings will need to be changed. • Press [MODE]. • Scroll down and over to SEQ and press [ENTER] to change to SEQ mode. • Press [CLEAR] to return to the home screen. Example: Graph ...
https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34777

Solution 12159: Solving Systems of Equations Using Symbolic Manipulation on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.

...mily, or Voyage 200 using symbolic manipulation? The example below shows how to solve a system of equations using the symbolic manipulation capabilities of the TI-89 family, TI-92 family, and Voyage 200. Example: Solve the system of equations 2x-3y=4 and -x+7y=-12. Solve the first equation so...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12159

Solution 12158: Solving System of Equations Using TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.

...family, TI-92 family and Voyage 200.For Example: Solve the following for x, y and z. 3x + 3y - 4z = -3-x + 2y + 5z = 188x + 4y - 7z = -5Solution:1) Press [2ND] [MATH] to access the Math worksheet2) Scroll down to #4 for Matrix and press the right arrow key3) Scroll down to #5 and press [ENTER] to...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12158

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 - 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

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

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