Solution 10617: ERROR SINGULARITY Using the Equation Solver on the TI-85 and TI-86 When a Solution is Calculated Using the TI-89 Family.
...tains a singularity (a point at which the function is not defined). The difference between the software on the TI-89 family, TI-92 family and Voyage™ 200 and the TI-85 and TI-86 is that they use different linear system solvers, which use a slightly different criteria for determining when a linear...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/10617
Solution 10482: Discontinued Texas Instruments (TI) Graphing Calculators.
... TI-92 Plus TI-89 Titanium Voyage 200 TI-89 Titanium TI-73 Explorer ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/10482
Solution 37336: Troubleshooting a TI-73 Family, TI-80, TI-81, TI-82, TI-83, TI-85, TI-85 and TI-86 Graphing Calculator That Will Not Turn On or Function Properly.
...owed by pressing and releasing [UP] arrow. To adjust or lighten the display, use [DOWN]. Remove one of the AAA batteries. Press and hold [ON] for 20 seconds. Reinsert the AAA battery and then press [ON]. Remove all of the batteries including the round lithium battery for 5 minutes. After ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/37336
Solution 35615: Replacing the Battery in a TI-36X Pro Scientific Calculator.
... Knowledge Base Search How do I replace the battery on the TI-36X Pro Scientific calculator? The TI-36X Pro calculator uses one 3-volt CR2032 lithium button cell battery. About replacing the button cell battery on a TI-36X Pro Scientific calculator: For safety purposes and to prevent...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/35615
Solution 40317: TI-30XS MultiView and TI-34 MultiView Scientific calculator battery information
...I-30XS Multiview and TI-34 MultView Scientific calculators. The TI-30XS MultiView™ and TI-34 MultiView scientific calculators both use one 3 volt CR2032 lithium button cell battery. About replacing the button cell battery on a scientific calculator: For safety purposes and to prevent ingestion,...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/40317
Solution 12223: Calculating Mark-Up, Gross Profit Margin, and Percent Change on the TI-5018.
...ercent change between an original price of $175 and a discounted price of $140? • Input 140, [-], 175. • Press the [MU] key. The percent change is -20%. • Press the [MU] key again. The price difference (discounted) is $35. Solution 12223: Calculating Mark-Up, Gross Profit Margin, and Percen...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12223
Solution 34731: Using the Mean() Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...amily of graphing calculators? The syntax for the mean() function is listed below. mean(list[,freqlist]) The mean() function return the mean or average of list with the frequency list (freqlist). If a freqlist is not specified in the mean() function, the default value for freqlist is 1. Each fr...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34731
Solution 12255: Converting Degrees/Minutes/Seconds (DMS) to Decimal Format on the TI-30X IIS/B and TI-30XS/TI-30XB MultiView™ Scientific Calculators.
...ss the [° ' "] key. 6) Select the " symbol, then press [=]. 7) Press [=]. This will convert DMS to a decimal format. The decimal form is equal to 78.20055556. To convert this decimal back to DMS: 1) With the decimal still displayed as the last answer, press the [° ' "] key. 2) Move the cursor o...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12255
Excretory System
This StudyCards(tm) stack enables students to review the vocabulary encountered when studying the excretory system.https://education.ti.com/en/activity/detail/excretory-system
Predicting White Blood Counts
Students find equations, which best-fit the data, using different regression models built into their calculators. The best method of handling this data, is to break the data into sections and fit different periods of time with different equations. Using their models, they predict when the patie...https://education.ti.com/en/activity/detail/predicting-white-blood-counts
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
Please Re-Leaf Me
In this activity, students examine data of carbon dioxide output in a forest. They graph the data and understand seasonal flucuations of carbon dioxide output. They make predictions about carbon dioxide output in other biomes.https://education.ti.com/en/activity/detail/please-releaf-me
Periodic Table
This StudyCards™ stack enables students to review the terms associated with learning and using the Periodic Table of the Elements.https://education.ti.com/en/activity/detail/periodic-table
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
Phosphate Analysis
One method of measuring the phosphate concentration is by using a Colorimeter. This instrument measures the amount of light transmitted through a sample at a given wavelength. The amount of light absorbed is mathematically related to the concentration of the solution.https://education.ti.com/en/activity/detail/phosphate-analysis
Practice with Chemical Word Equations
In this activity, students will learn about chemical word equations: what they are, how they are written and key terms (i.e., reactants and products) associated with word equations.https://education.ti.com/en/activity/detail/practice-with-chemical-word-equations
Radioactive Dating (isotopes) - PhET (HS)
TBDhttps://education.ti.com/en/activity/detail/radioactive-dating-isotopes--phet-hs
Mendelian Genetics
This StudyCards(tm) stack enables students to review the vocabulary used in studying genetics as developed from the work of Mendel.https://education.ti.com/en/activity/detail/mendelian-genetics
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
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
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
Mitosis Vocabulary
This StudyCards(tm) stack enables students to review the vocabulary used in studying mitosis.https://education.ti.com/en/activity/detail/mitosis-vocabulary
Solving Equilibrium Problems
In this activity, the students will use the Calculator application to determine the unknown species (x) using known initial concentrations, the change in concentration, and a given value for the equilibrium constant (K). The student will use the following functions: the Calculator Application the...https://education.ti.com/en/activity/detail/solving-equilibrium-problems
Number to Element
This StudyCards™ stack enables students to practice associating the chemical number of an element to the element's name.https://education.ti.com/en/activity/detail/number-to-element
Law of Definite Proportions
The law of definite proportions states that a chemical compound always contains exactly the same proportion of elements by mass. The French chemist Joseph Proust conducted several experiments between 1798 and 1804 to make this discovery. At the time (before Dalton had proposed his atomic theory)...https://education.ti.com/en/activity/detail/law-of-definite-proportions