Worldwide Customer Support | Texas Instruments
...rd local business hours. You may also contact Customer Support by filling out the Customer Support form or emailing ti-cares@ti.com --> How can we help? Please contact us via your country/region listed below. TI-Cares™ worldwide customer support .custom-two-column { dis...https://education.ti.com/en/customer-support/support-worldwide
Solution 26350: Recommendation for Disinfecting TI Handheld Products.
...ersonal and school-owned calculators and recommends cleaning methods that meet CDC and WHO guidelines. To disinfect a TI calculator in an effort to help prevent the transmission of a virus or other illness: 1. Use an alcohol wipe or “prep pad” of 70% or greater isopropyl alcohol (available at any...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/26350
Solution 37715: Program commands that use the left and right parentheses display an unexpected syntax error on the TI-84 Plus CE™.
...nt and give an unexpected syntax error. When entering long expressions with parentheses enclosing the entire expression with paired parentheses can help avoid syntax errors of this nature. Solution 37715: Program commands that use the left and right parentheses display an unexpected syntax error...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37715
Solution 14510: Unexpected Results for Standard Normal Cumulative Distribution Using the normalpdf () Function on TI-83 Plus Family or TI-84 Plus Family Graphing Calculators.
...nd TI-84 Plus family of products Knowledge Base Knowledge Base Search Why am I getting the wrong answer when computing Standard Normal Cumulative Distribution using the normalpdf () function on my TI-83 Plus family or TI-84 Plus family calculator? Standar...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/14510
Solution 37362: TI-84 Plus CE SmartPad App is not Establishing Connection to Control TI-SmartView CE.
... to mini B USB cable. 2) Connect the TI-84 Plus CE to the standard A to mini B USB cable. 3) Launch the SmartPad App by pressing [Apps] followed by [Alpha] then [ln] and select the App using the arrow keys and press [Enter]. 4) After the App launches and requests you to [Press any Key...] press a...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37362
Solution 34792: Computing Nominal and Effective Interest Rates on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...and select [B: ►Nom(] or [C:►Eff(]. Examples: Find the nominal rate of 25 effective rate with 2 compounding periods: 1) Press [APPS] [1]. 2) Press [ALPHA] [B]. 3) Press [(] [2] [5] [,] [2] [)]. 4) Press [ENTER]. The result is 23.60679775 Find the effective rate of 8 with 12 compounding periods:...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34792
Solution 34600: Computing a Poisson PDF and Poisson CDF on TI-84 Plus C Silver Edition.
...:poissoncdf(Ã, x)For example, given Ã=6 and x=10 find the probability for the discrete Poisson distribution:Example 1:• Press [2nd] [DISTR].• Press [ALPHA] [C].• Press [6] [Enter] [1] [0] [ENTER].• Highlight Paste and press [Enter].• Press [ENTER] again.Example 2:Given Ã=.126 and x={0,1,2,3} find...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34600
Solution 34800: Cause of the "Error: Data Type" Message When Using the Normalcdf Command on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...99,200,L1*.9,L1*.9*.1) will return the Data Type error. Some of the distribution functions are not designed to accept list as a valid parameter. Normalpdf() and normalcdf() are two of those. They are designed to accept floating number or integer only. This is done by design and not a software or ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34800
Solution 34856: Computing Future Value on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... Press [5] [ENTER]. • Press [(-)] [5] [0] [0] [0] [ENTER]. • Press [0] [ENTER]. • Press [0] [ENTER]. • Press [1] [ENTER]. • Press [▲] [▲] . • Press [ALPHA] [SOLVE]. Please see the TI-83 Plus and TI-84 Plus Family guidebooks for additional information. Solution 34856: Computing Future Value on t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34856
Solution 17649: Using the GetCalc( Command on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...Please Note: You must actually select the variable you want to copy from the Matrix menu. You cannot manually enter [A] by pressing keys [2nd] [x] [Alpha] [MATH] [2nd] [-] as this will cause you to receive a syntax error. 5) Press [ ) ] then [ENTER] The receiving calculator will then display DON...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/17649
Solution 13344: Calculating lcm() (Least Common Multiple) of Two Arguments on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...ome screen, press [2ND] [MATH] to access the MATH menu. 2) Press [1] or [ENTER] to select the 1:Number submenu 3) Use the directional keys or press [ALPHA] [B] to select to B:lcm(. lcm() can also be accessed in the CATALOG. Please Note: On a TI-92 family or Voyage 200 calculator, just press [B]...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13344
Solution 11727: Computing the Dot Product on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...e dot product using the TI-89 family, TI-92 family and Voyage 200. Example: Find the dot product of vectors and • Press [2ND] [MATH] [4]. • Press [ALPHA] [L] [3]. • Press [[] [1] [1] [,]. • Press[5] []] [,]. • Press [[] [6] [,]. • Press [(-)] [8] []]. • Press [)] [ENTER]. Note: Both vectors...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11727
Solution 11726: Computing the Doolittle LU (lower-upper) Decomposition of a Matrix on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... is below:To enter the matrix A into the data matrix editor:• Press [APPS], select the Data/Matrix icon.• Press [3] [►] [2] [▼] [▼] [A] [▼].• Press [ALPHA] [3] [3] [ENTER]• Users with TI-92 family or Voyage 200 may omit pressing [ALPHA] or [2ND] [A-LOCK] during these steps.• Press [ENTER] [6] [EN...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11726
Solution 11725: Computing the Cross Product on the TI-89 Family and Voyage™ 200 Graphing Calculators.
...ess [HOME] and on the Voyage 200 press [Green Diamond][Q] (CALC HOME). 2) Press [2nd] [5], select 4:Matrix and press the [right arrow] key 3) Press [ALPHA] [L] and select 2:crossP( and press [ENTER]. 4) Input [3,5],[-2,8]. 5) Press [)] then [ENTER] for the result. Please Note: Both vectors used ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11725
Solution 34831: Entering and Computing Fractions on the TI-84 Plus Family of Graphing Calculators.
...pecific fraction key, but does have a template that allows fractions to be entered. For example, add 3 2/5 to 3/4 using the steps below: 1) Press [ALPHA] [F1] [1]. 2) Enter in [3]. 3) Press [Down Arrow]. 4) Enter in [4]. 5) Press [Right Arrow]. 6) Press [+]. 7) Press [ALPHA] [F1] [2]. 8) Ent...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34831
Solution 34780: Computing Effective Annual Percentage Rate (APR) with Points and Fees on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...Solver]. • Input 360 and press the down arrow key. • Input 8 and press the down arrow key. • Input 100,000 and press the down arrow key. • Press [ALPHA] followed by[ENTER] to compute the monthly payment. The total monthly payment is $733.76 (rounded off to hundredths). Compute the actual l...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34780
Outbreak!
Use the DATA GRAPHS WIZARD to learn about how disease is spread. Brainstorm ways in which people can help stop an outbreak of disease.https://education.ti.com/en/activity/detail/outbreak_1
Vernier - pH
Students use a pH sensor to measure the pH level of water in a stream or lake. They examine how air pollutants like sulphur dioxide, nitrogen oxides, and carbon dioxide cause acid rain, which affects the pH of water bodies and aquatic organisms.https://education.ti.com/en/activity/detail/vernier--ph
Vernier - Determining the Mole Ratios in a Chemical Reaction
Measure the enthalpy change of a series of reactions. Determine the stoichiometry of an oxidation-reduction reaction in which the reactants are known but the products are unknown.https://education.ti.com/en/activity/detail/vernier--determining-the-mole-ratios-in-a-chemical-reaction
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
Reading Picture Graphs
Students learn to read simple picture graphs with the help of a calculator.https://education.ti.com/en/activity/detail/reading-picture-graphs
NUMB3RS - Season 3 - "Take Out" - Restaurant Ranking
In "Take Out", a series of restaurant invasions turn deadly. The FBI asks Charlie to help, so he develops a predictive model to try to identify the next restaurant that will be targeted. He says that 'it's a way of investigating a group of things -- in this case, restaurants -- and identifying th...https://education.ti.com/en/activity/detail/numb3rs--season-3--take-out--restaurant-ranking
NUMB3RS - Season 3 - "Take Out" - No Fly Zone
In "Take Out", a series of restaurant robberies prompts the FBI to ask Charlie to help predict the restaurant most likely to be targeted next. Charlie says that it can be thought of like a spider catching its prey in a web. Even the best constructed web can not catch all insects. There exist regi...https://education.ti.com/en/activity/detail/numb3rs--season-3--take-out--no-fly-zone
Let Me Count the Ways
Students will make predictions about the number of ways to make eleven with two or more addends. They will investigate patterns with these addends with the help of manipulatives and the calculator.https://education.ti.com/en/activity/detail/let-me-count-the-ways
How do You Measure Up? (with the TI-10)
Students measure weight, height, and length with the help of a balance, scales, rulers, yardstick, and tape measures. They use their TI-10 to find proportions and to round off answers to whole numbers.https://education.ti.com/en/activity/detail/how-do-you-measure-up-with-the-ti10