Solution 23530: Examples and Differences Between Expressions, Equations and Inequalities.
... How to tell the difference between an expression, equation, and inequality? In mathematics, an expression is a general term for any well formed combination of mathematical symbols. It may consist of just one or more numbers, variables, operators, functions, and their arguments that evaluate...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/23530
Solution 36476: Resolving a Nonreal Answer/Ans Error on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ERR:NONREAL ANS" is returned if the answer to a problem contains an imaginary number. For example, if your calculator is in real mode, and you try to compute for the square root of negative one, you get the following error message: To resolve this error, first, ensure that the problem is entered...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36476
Solution 34971: Steps to Graph a Linear Inequality in Terms of x on the TI-Nspire™ Family.
... [x] [>] [1] and press [Enter]. 4) Next press [Esc] to dismiss the text cursor and then highlight the text you have entered and your cursor should become an open hand. 5) Once you see the open hand press [Ctrl] then [Click] the center touchpad to change the cursor to a closed hand. 6) Move the...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34971
Solution 19189: Using the TI-84 Plus Silver Edition Faceplate on the TI-83 Plus Family Graphing Calculators.
... Can I use the TI-84 Plus Silver Edition Faceplate on the TI-83 Plus family graphing calculators? The TI-84 Plus Silver Edition Faceplates are not compatible with the TI-83 Plus family graphing calculators. The TI-84 Plus Silver Edition faceplates can only be used on the TI-84 Plus Silver Edit...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/19189
Solution 39837: How to clean up "leaky" AAA or AA batteries on a TI calculator
...is actually a base (alkaline), not an acid. How can I help prevent alkaline batteries from leaking or corroding in my calculator? Texas Instruments recommends removing batteries from a calculator that will be stored or otherwise not in use for three months or more. Additionally, never expose you...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/39837
Solution 36921: TI-84 Plus CE when at low battery may display an Xmit error.
...mit error? In certain low battery conditions (technically below the <5% threshold of remaining battery), if a user attempts to perform a unit to unit communication the communication/transaction may not complete.When encountering a low battery situation, the system notifies the user that they shou...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36921
Solution 35074: Adding or Removing Rows and Columns Within Lists & Spreadsheets on the TI-Nspire™ Family Line.
...column desired to be deleted is highlighted.2) Press [ctrl] [menu].3) Select [Insert Row] or [Insert Column]. To clear data from a row or column without deleting the row or column itself: 1) Press [◄] or [▲] until the row or column desired to be deleted is highlighted.2) Press [del]. Please...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35074
Solution 36981: After attempting to update my operating system TI-Connect CE™ continues to display "Validating OS...“ on the TI-84 Plus Family
...ear. This is a deficiency in the TI Connect CE and TI-84 Plus family connection. To Resolve this issue: Unplug the Graphing Calculator from the computer and re-plug. Turn your device on after the OS updates. Simply close the TI Connect CE app and reopen after updating your OS. If ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36981
Solution 40351: Statement on California Proposition 65
...nstruments calculators carry a warning for California’s Prop 65? There is no Proposition 65 warning on Texas Instruments calculators because they are compliant. TI calculators are tested for CA Proposition 65 substances, and they do not contain chemicals that are listed as harmful to people and t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/40351
Solution 35994: Using the Constraint "|" Operator with Defined Derivative Function Gives Unexpected Answer on the TI-Nspire™ CAS Family.
...owever the calculator will return an answer of positive 14. The reason for this is when entering the constraint of x=k, the TI-Nspire CAS is actually computing the expression below: derivative(derivative(1/k*k^3-9*k^2+15*k*k,k),k) To receive the expected answer, you must first simplify the expre...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35994
Solution 10389: Differences in Features Between the TI-82 and TI-83.
...on to the horizontal split screen)• An interactive Equation Solver• Ability to give names to lists, attach formulas to lists, and enter 999 elements (compared to 99 on the TI-82)• Logistic Regression and Sine Regression• More random number generator functions• An alphabetical CATALOG menu of all ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10389
Solution 10390: Different File Extensions for the TI-83.
...Please Note: Files that are transferred to the calculators must have these extensions to function correctly. TI-83: • .83b Backup memory image • .83c Complex variable • .83d GDB (graph database) • .83e Expression (numbers, equations, etc.) • .83f Function (Y-Vars, user-defined functions, etc.) • ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10390
Solution 37716: Scrolling a large list on the TI-84 Plus CE™ home screen displays odd information.
Solution 37716: Scrolling a large list on the TI-84 Plus CE™ home screen displays odd information. Solution 37716: Scrolling a large list on the TI-84 Plus CE™ home screen displays odd information. global Solution 37716: Scrolling a large list on the TI-84 Plus CE™ home screen displays od...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37716
Solution 10631: Calculator Usage Guidelines for the ACT® test.
...ting room, and to ensure fairness for all test takers, the following types of calculators are not permitted: • Pocket organizers• Handheld or laptop computers• Electronic writing pads or pen-input devices• Calculators built into cellular phones or other wireless communication devices• Models wi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10631
Solution 38375: Troubleshooting Connectivity Issues with Texas Instruments SilverLink USB cable on Mac OSX.
...leshooting Connectivity Issues with Texas Instruments SilverLink USB cable with TI-Connect on Mac OSX. If a graphing calculator fails to connect to a computer, follow the instructions below to troubleshoot the connection problem: Please Note: The steps below are only for the Texas Instruments Si...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/38375
Solution 11139: Purchasing Battery Doors for Graphing Calculators.
...e Base Knowledge Base Search Are battery doors available for purchase? Battery doors are available for purchase from the TI online store. The battery doors can also purchased by calling TI-Cares. Solution 11139: Purchasing Battery Doors for Graphing Calculators. ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11139
Solution 33791: Using the Floor ( ) Function on the TI-Nspire™ Family Products.
...rns the nearest integer that is less than or equal to its argument. This function is identical to the int ( ) function. The argument can be a real or complex number, a number, a list or a matrix. The proper syntax for the floor function is floor(expression). Example 1: Floor (2.14) 1) Press [ho...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33791
Solution 11307: Calculator Software Applications (Apps) Bundled with the TI-84 Plus Silver Edition Graphing Calculator.
...ge Base Search What Calculator Software Applications (Apps) are preloaded with the TI-84 Plus Silver Edition? The TI-84 Plus Silver Edition comes preloaded with the following Apps: • Area Formulas App • Cabri™ Jr. App • Catalog Help App • CellSheet™ App • Conic Graphing App • Fundamen...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11307
Solution 11308: Calculator Applications (Apps) that Can be Used in Biology on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...also be performed, calculate significant figures, and more.Fundamental Topics in Science App for the TI-83 Plus and TI-84 Plus Families - Brush up on those science fundamentals right on the TI-83 Plus.NoteFolio™ App for the TI-83 Plus and TI-84 Plus Families - Take Lab notes on calculator and the...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11308
Solution 11483: Correcting the Error Message "TI-83 Plus or TI-89 detected, but could not get status" Using the TI Connect™ Software for Windows®.
...nect is installed on the PC. If using a TI-83 Plus family calculator: • Connect the TI Connectivity cable to the TI-83 Plus family calculator and the computer. • Do not start the TI Connect software. • Download the TI-83 Plus family v1.19 OS onto the PC's desktop. **Force the TI-83 Plus family ca...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/11483
Solution 11954: Differences Between the TI-83 Plus Family, TI-84 Plus Family and TI-86.
Solution 11954: Differences Between the TI-83 Plus Family, TI-84 Plus Family and TI-86. Solution 11954: Differences Between the TI-83 Plus Family, TI-84 Plus Family and TI-86. global Solution 11954: Differences Between the TI-83 Plus Family, TI-84 Plus Family and TI-86. website ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11954
Solution 11943: Correcting "ERR:DOMAIN" When Attempting to Find the Inverse of a Matrix on the TI-83 Family and TI-84 Plus Family Graphing Calculators.
...The [^][-][1] sequence is only raising the matrix to the -1 power and will cause an ERR:DOMAIN. Please refer to the examples listed below: Correct method to perform the inverse of a matrix: Incorrect method to perform the inverse of a matrix: Please see the TI-83 Family and TI-84 Plus Family...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/11943
Solution 11896: Standards Used to Verify Functionality of Graphing Calculators.
...ts. This protocol serves to provide TI with a level of confidence in not only product functionality but also the accuracy of the documentation that accompanies the product. As noted in the warranty statement, TI does not warrant products to be fit for a particular purpose nor does TI warrant soft...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11896
Solution 35314: Finding Critical Points Using the TI-Nspire™ CAS Family.
...ates how to use the differentiate and solve functions to find critical points. Example: Find the critical points using the solver and differentiation commands on the home screen for the following function: f(x)= x^3+x^2-5x-5 The first step to finding the critical points is to differentiate the ab...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35314
Solution 12212: Correcting an Error in Xmit Error Message when Transferring Data Between Two Graphing Calculators.
...ors when attempting to transfer data. There are several factors that can contribute to this error message. • The calculators being connected are not compatible for data transfer. • The data cable is not firmly connected to both units. • The receiving calculator is not in receive mode. • The I/O...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12212