Solution 26350: Recommendation for Disinfecting TI Handheld Products.
...ed 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 general merchandise “...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/26350
Solution 34813: Graphing Derivatives on the TI-84 Plus Family of Graphing Calculators.
...an I graph derivatives on the TI-84 Plus family of graphing calculators? Example: Graph the derivative of f(x)=x3 Using the MATHPRINT setting: • Press [Y=] • Press [MATH] • Press [8] to select 8:nDeriv( • Press [X,T,θ,n] [X,T,θ,n] [^] [3] [Right Arrow] [Right Arrow] [X,T,θ,n] [ENTER] • ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34813
Solution 34853: Executing a Program on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...of graphing calculators? To execute a program on the TI-83 Plus and TI-84 Plus family of graphing calculators, follow the instructions below: 1) Press [PRGM] to access the PRGM EXEC menu. 2) Select a program name from the PRGM EXEC menu and press [ENTER] (prgmname is pasted on the home screen)....https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34853
Solution 34193: Restoring Default Settings on the TI-Nspire™ Family Handhelds.
...ault settings on the TI-Nspire family handheld? To restore the default settings for documents on the TI-Nspire, please follow the steps below. • Press [home] which is the button with the picture of the house. • Press 5: Settings. • Press 2: Document Settings. • Scroll or tab to Restore and pre...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34193
Solution 24631: The Computer Algebra System (CAS) and Texas Instruments Graphing Calculators.
...elate to Texas Instruments calculators? CAS stands for "Computer Algebra System" and it is software that allows the manipulation of mathematical expressions in symbolic form. The principal difference between a calculator with CAS and one without CAS is the ability to deal with equations symbolica...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/24631
Solution 35072: Troubleshooting a TI-84 Plus C Silver Edition Graphing Handheld That Will Not Charge in the Charging Station.
...dheld and it is a tight fit.3) Initiate a USB activity by putting the unit in Receive or Transmit mode (no need to connect to another device).4) Press the RESET button on the back of the unit or reset via the menu (press [2nd] [MEM] [7] [2]).5) Disconnect and reconnect the rechargeable batter...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/35072
Solution 34232: Finding Common Denominators on the TI-Nspire™ CAS Family.
...nd returns a reduced ratio of a fully expanded numerator over a fully expanded denominator. The syntax for comDenom is listed below. comDenom (expression1 [, var]) The example below will demonstrate how to find common denominators of an expression. ComDenom((y2 + y) /((x + 1)2) + y2 + y) • Pre...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34232
Solution 34391: Troubleshooting Difficulties updating TI-Nspire™ Family Handheld Units With Older Operating Systems.
... steps depending upon if it is a TI-Nspire or TI-Nspire CAS family handheld. TI-Nspire Family: 1) Check the current version of the OS. To do this, press [home] [5] [4]. If handheld does not have this option, instead press [8] [5] to check the OS version. 2) If the current OS is 1.3 or earlier, do...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34391
Solution 34578: Steps to Borrow and Return a Concurrent License Using TI-Nspire™ Family Software.
...m the same network as the concurrent license service you will receive the dialog at launch indicating you have a borrowed license. Click [Ok] to dismiss and continue launching the software. If you wish to return the borrowed license before the expiration date please follow the steps listed bel...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34578
Solution 35934: Correcting a Domain Error When Using the lcm() or gcd() Command on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators?
...an 1E12, it will give a domain error. To correct this, you will need to change any incorrect values inputted to a non-negative, non-decimal integer less than 1E12. Please see the TI-83 family and TI-84 Plus family guidebooks for additional information. Solution 35934: Correcting a Domain Error ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/35934
Solution 33812: Algorithm Used for the cZeros() (Complex Zeros) Function on the TI-Nspire™ CAS Family.
... on the TI-Nspire CAS family? The syntax for the cZeros function on the TI-Nspire CAS family is given below: cZeros(expr, var) → list cZeros({expression1, expression2 [, … ] },{varOrGuess1, varOrGuess2 [, … ] }) → matrix The cZeros( function returns a list of candidate real and non-real values...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33812
Solution 36476: Resolving a Nonreal Answer/Ans Error on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ry 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 correctly. If the problem is entered correctly and you're expecting an ima...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.
...: Please Note: The below steps will only work within a graphs page in a document and will not work in the Scratchpad Graph. 1) From a Graphs page press [Menu] [1] [7] to access the text cursor. 2) Next press [Enter] to open the text entry box. 3) In the text entry box enter the inequality [x]...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34971
Solution 26370: Safely Removing a New Texas Instruments Calculator from the Plastic Clamshell Package.
... packaging? Texas Instruments products are packaged in heat-sealed clamshells to prevent damage to the product during shipping and to ensure the accessories for that product are not lost or stolen. To open the package, 1) Turn to the back of the packaging. For TI-83 Plus, TI-84 Plus, TI-84 Plus ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/26370
Solution 35032: Calculating the Eigenvalue and Eigenvector of a Matrix on the TI-Nspire™ CAS Family.
... a = [ 4 5 7 4 1 8 1 6 5] To create the matrix, insert a Calculator page and follow the steps listed below: 1) Press [menu] [7] [1] [1]. 2) Press [del] [3] [tab] [del] [3] [enter].3) Press [4] [tab] [5] [tab] [7] [tab].4) Press [4] [tab] [1] [tab] [8] [tab].5...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35032
Solution 35074: Adding or Removing Rows and Columns Within Lists & Spreadsheets on the TI-Nspire™ Family Line.
... family line? Follow the steps below to learn how to add or delete rows or columns within the Lists & Spreadsheets. Deleting a row or column: 1) Press [◄] or [▲] until the row or column desired to be deleted is highlighted.2) Press [ctrl] [menu].3) Select [Delete Row] or [Delete Column]. Add...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
...urns on the device on the Validating OS will disappear. 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 Conn...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36981
Solution 11951: Default Contrast Setting on the TI-83 Family.
...fault contrast level on the TI-83 Plus Silver Edition is 5. The contrast on both the TI-83 Plus and TI-83 Plus Silver Edition can be adjusted by pressing and releasing the [2nd] key and then pressing and holding the up arrow to darken the display or the down arrow to lighten the calculators d...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11951
Solution 35955: Creating A Polar Rose With TI-Nspire™ Family Handhelds
...below will demonstrate how to graph a polar rose on the TI-Nspire family. Example: Graph r=5*sin(6Θ). Please Note: The Θ is the theta symbol. 1) Press the [home] key on your handheld, and then choose the option to insert a Graphs page. 2) Press [Menu], [3], [4], which access the graph entry fo...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35955
Solution 35994: Using the Constraint "|" Operator with Defined Derivative Function Gives Unexpected Answer on the TI-Nspire™ CAS Family.
...or 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 expression, and then ass...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35994
Solution 24631: The Computer Algebra System (CAS) and Texas Instruments Graphing Calculators.
...elate to Texas Instruments calculators? CAS stands for "Computer Algebra System" and it is software that allows the manipulation of mathematical expressions in symbolic form. The principal difference between a calculator with CAS and one without CAS is the ability to deal with equations symbolica...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/24632
Solution 10389: Differences in Features Between the TI-82 and TI-83.
...active 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 graphing calculator instructions• Ability to...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.
...s 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.) • .83g Group • .83i Picture • .83l List • .83m Matrix • .83...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10390
Solution 29710: Calculating Combinations and Permutations on the TI-Nspire™ Family Products.
...low will demonstrate how to calculate combinations and permutations using the TI-Nspire family handhelds and computer software. Example: How many possible combinations of picking a team of 3 people out of a group of 10 people? This example would be calculated using combinations, since the orde...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/29710
Solution 37715: Program commands that use the left and right parentheses display an unexpected syntax error on the TI-84 Plus CE™.
...Wait, using a pair of parentheses in an argument may be interpreted as the full argument 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: Progr...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37715