Solution 34886: Press-To-Test Functionality Availability for the TI-84 Plus CE and TI-84 Plus C Silver Edition.
...s and TI-84 Plus family of products Knowledge Base Knowledge Base Search What is Press-To-Test and how is it activated/disabled? All TI-84 Plus CE and TI-84 Plus C Silver Edition graphing calculators have a special key sequence that students and teachers ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34886
Solution 37038: Backup and restore TI-84 Plus family graphing calculator files to a computer using TI Connect CE™ software.
...ge on your calculator. Click “Send.” Warning: Do not disconnect the cable during a transfer. Please Note: There is no “Backup and Restore” built-in functionality for TI Connect CE Software. TI Connect CE Software does not support transfers through the I/O port on TI-84 Plus family calculators. ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/37038
Solution 13680: Finding Proper Fractions and Common Denominators on the TI-89, TI-89 Titanium, TI-92 Family or Voyage™ 200 Graphing Calculators.
...ns and common denominators of an expression on the TI-89, TI-89 Titanium, TI-92 family or Voyage 200. Use the propFrac ([F2] 7) and comDenom ([F2] 6) functions. The syntax for the expressions is as follows: propFrac (rational expression [,var]) - the variable is with respect to a proper fraction....https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13680
Solution 12653: Converting Decimal Numbers Into Fractions on the TI-81.
...wledge Base Knowledge Base Search Can the TI-81 convert decimal numbers into fractions? The TI-81 does not have a built-in function to convert decimal numbers into fractions. To have this functionality, please consider upgrading to Texas Instruments latest line of graph...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12653
Solution 12136: Factoring an Expression on the TI-89 Family and Voyage 200 Graphing Calculators.
...ctor(5x+x*y). If the multiplication sign is omitted between x and y, the calculator will consider xy to be one variable, not "x times y".3) To factor functions which may result in complex (imaginary) solutions, use the cfactor() command located under the MATH/Algebra/Complex menu.Please see the T...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12136
Solution 11690: Accessing the Custom Menu on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...cess and use the custom menu on the TI-89 family, TI-92 family, or Voyage 200 graphing calculator? The custom menu contains menu items of predefined functions and strings of text that are commonly used on the TI-89 family, TI-92 family, or Voyage 200. The default custom menu contains the follow...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11690
Solution 12262: Replacing and Installing the Battery in a TI-30X IIS.
...illips screwdriver to remove the old battery and insert a new one. 5) Place the back case on the unit and replace the screws. The TI-30X IIS should function properly once the ON key is pressed. Please Note: Be careful not to damage any internal parts and avoid contact with components while c...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/12262
Solution 12268: Converting Decimals into Fractions Using the TI-30Xa and TI-30Xa Solar Scientific Calculators.
...o convert decimals into fractions using the TI-30Xa and TI-30Xa Solar. Please be aware that TI-30Xa Solar School Edition calculators do not have this functionality. For Example: Convert .25 to 1/4 1) Input .25, press [2nd] [D above it). Please Note: FD means fraction to decimal, decimal to fracti...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12268
Solution 12273: Converting Fractions to Decimals Using the TI-34.
...e TI-34? The [a b/c] key is used to toggle between the display of fractions and decimals on the TI-34. The example below will demonstrate using this function: Please Note: Due to the display size of the TI-34, not all decimal numbers can toggle to fractions. Example: Convert 55/24 to a decimal...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12273
Preparing a TI calculator for the International Baccalaureate (IB) exam or IB Diploma Programme Maths exams
...ome | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Certain TI calculator apps are permitted for use on the IB exam. Since Press-to-Test mode on the TI-84 Plus family of calculators restricts all apps and programs, manua...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/40391
Solution 40237: TI-30XII Solar and TI-30XII Battery displays Domain Error when Entering Certain Fractional Exponents.
... does the TI-30XII Solar and TI-30XII Battery displays Domain Error when Entering Certain Fractional Exponents? The caret key has limitations for the functions it will accept for Y^X. If the below condition is met it will give a domain error: Y<0, X<1, and 1/X is not an integer For example the pr...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/40237
Solution 11648: Printer Display Calculator Will Not Add Or Subtract.
...tor add or subtract? In general, a printing calculator will not add or subtract if the [Calc/Tax] key is set to [Tax]. The printing calculator should function as expected once the switch is moved to [Calc]. If this does not return the unit to proper operation, please contact TI-Cares to get furt...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/11648
Solution 34814: Correcting a Data Type Error when Attaching a Distribution Formula to a List on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...when I attach the following formula to L2? Input data (numbers) into the L1 list. L2=normalcdf( -1E99, 200, L1*.9, L1*.9*.1) Some of the distribution functions, such as Normalpdf and Normalcdf, are not designed to accept lists as valid parameters. These two functions are designed to only accept f...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34814
Solution 12276: Calculating Factorials on the TI-30X IIS, TI-30X IIB, or the TI-34 II Explorer Plus.
...Plus: 1) Input the value for which the factorial will be taken. 2) Press the [PRB] key and press the right arrow key twice [®] [®] to access the "!" function. 3) Press [ENTER] to select the function, then press [ENTER] again to display the result. Please see the Scientific Model family guidebook...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12276
Science TODAY™ - The USA's Expanding Weight Problem
This activity reveals the incidence of obesity in the United States. Students will analyze "The USA's expanding weight problem" and other data to construct a graph, analyze the trends in the data, and make predictions about the future.https://education.ti.com/en/activity/detail/science-today--the-usas-expanding-weight-problem
What Does a Buffer Do?
Buffers are solutions that resist a change in pH. In this activity, students will add HCl dropwise to a measured amount of water, monitoring the pH. Students then repeat the process, using a simple buffer prepared by combining baking soda and tonic water. A comparison of the results will allow...https://education.ti.com/en/activity/detail/what-does-a-buffer-do
Titration Experiment
This activity is a fast and safe microscale experiment which allows students to quickly determine the molariy of three weak acids (vinegar, soda, and citric acid). Since the process involves a monoprotic, diprotic, and a triprotic acid, students recieve good exposure to the stoichiometry involve...https://education.ti.com/en/activity/detail/titration-experiment
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
Designing Hot and Cold Packs
Purpose: To calculate the molar enthalpy of dissolving for three ionic solids, and to use this information to design a cold pack. In this experiment you will measure the heat changes which occur from various salts dissolving in water, and then you will use this information to design a hot pack an...https://education.ti.com/en/activity/detail/designing-hot-and-cold-packs
Electrolysis of Water
Students will learn to write the half reactions that occur at each electrode during the electrolysis of water, performed in microscale using a 9V battery as a power source. In monitoring the pH at each electrode, studens will learn that H2 is accompanied by the formation of OH- ions and that H+ i...https://education.ti.com/en/activity/detail/electrolysis-of-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
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
Linearity with an investigation of Hooke's Law
Students will perform an activity which allows them to discover Hooke's Law for springs and determine the spring constant of a springhttps://education.ti.com/en/activity/detail/linearity-with-an-investigation-of-hookes-law
Vernier - Which Hot Dog Cools Faster?
Different types of hot dogs will cool at different rates after they have been cooked. This activity takes the first steps in investigating this phenomenon by measuring the rate that a warmed hot dog cools. Students can compare the ingredients of various types of hot dogs (all-beef, veggie, turkey...https://education.ti.com/en/activity/detail/vernier--which-hot-dog-cools-faster
Power Engineering
Shows how to handle phasor algebra, complex power, power factor corrections, and unbalanced three-phase calculations using the TI-89.https://education.ti.com/en/activity/detail/power-engineering