Solution 12706: Chemicals in the LCD Screen and Casing of a Texas Instruments Calculator.
...ld limits were set based on European Directives, California regulations and accepted industry practices for consumer electronics. Testing of the case components by an independent lab has shown actual amounts of Lead and Cadmium to be below detectable limits (~5ppm).All Education Technology produc...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/12706
Solution 13561: Function Speed Differences in the TI-83 Plus Silver Edition and the TI-84 Plus Silver Edition.
...lleviated by removing some of the apps. Also, the USB port on the calculator requires several routines to check for devices, manage power, and manage communication. This comes at the expense of some processor power (since some of those resources go to those extra routines in the software). Unfort...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/13561
Solution 10572: Texas Instruments Resources for Test Preparation.
...lators are a vital tool for high school mathematics and science. A student with his or her own graphing calculator for use at home or at school may become more proficient with the technology and enjoy the benefits it can provide throughout high school. Many high-stakes exams require or recommend...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/10572
Solution 30711: Using The Nextprime() Function On A TI-Nspire™ or TI-Nspire CAS Family Products.
..., but now with the function displayed. • Enter the number "34" in parenthesis, and press [enter]. You should see an answer of 37. Please Note: This command only accepts whole numbers. So decimal numbers, such as 43.2, return an error if you try to use them with the nextprime() command. • Also...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/30711
Solution 10619: Difficulties Running Third-Party Developed Programs on Texas Instruments Graphing Calculators.
...sing parenthesis [)] followed by [ENTER] Please Note: If the program does not run, make sure that the operating system version on your calculator is compatible with the program. Some assembly language programs require specific versions of the calculator operating system. Please consult the progr...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/10619
Solution 13980: OS Restore in TI Connect™ for Macintosh® not Detecting Calculators Without the Operating System.
...ectivity cable? Follow the below steps to get the device recognized by TI OS Restore: • Unplug the TI Connectivity Cable from the device and from the computer• Turn off then turn on the calculator• Plug the cable into the calculator• Plug the cable into the computer• Wait about 20 seconds to see ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/13980
Solution 31111: Creating an Amortization Table with the TI-Nspire™ Family Handhelds or TI-Nspire™ Family Software.
... an Amortization Table with the TI-Nspire™ Family Handhelds or TI-Nspire™ Family Software. To create an amortization table, please follow the command as shown below: amortTbl(NPmt,N,I,PV, [Pmt], [FV], [PpY], [CpY], [PmtAt],[roundValue]) Example: amortTbl(12,60,10,5000,,,12,12) You can acc...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/31111
Solution 34537: Attaching a Formula to a List Name in Stat List Editor on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...R]. • Press [ALPHA] [+] to access ". • Press [2ND] [1] [+] [2ND] [2] to enter L1+L2. • Press [ALPHA] [+]to enter the closing " followed by [ENTER] to complete the formula entry. Please Note: If a formula in quotation marks is displayed on the entry line, then a formula is already attached to the ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/34537
Solution 29850: Resolving Issues With TI-84 Plus Family Calculators That Display “Validating Operating System 100%” After An Operating System Update.
....To resolve this issue, simply transfer operating system version 2.55 MP to your TI-84 Plus Family calculator, and wait for the validation process to complete before pressing any buttons on the calculator. Also, when transferring the operating system to the calculator, you will see “Validating Op...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/29850
Solution 34714: Correcting ERR: MEMORY on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...en when there is not enough memory to perform the instruction or function. To increase available memory delete the contents of any variable (real or complex number, list, matrix, Y= variable, program, Apps, AppVars, picture, graph database, or string). To do this follow these steps: 1) Press [2n...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34714
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 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 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 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 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 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 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 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
Solution 22330: Using the Tab and Arrow Keys on a TI-Nspire™ Family.
...the Data Collection control bar is displayed, focuses on the Start/Stop button. 6) Sixth [tab] press: focuses on the graphing portion of the page and commits any editing changes. The pointer is active on the page. The [◄] [▲] [►] [▼] keys: 1) [▲] and [▼] - moves up and down among functi...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/22330
Solution 34424: Coefficient (r-Values) are not Displayed When Calculating Statistical Regressions on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...Plus and TI-84 Plus family of graphing calculators? When using the TI-83 Plus and TI-84 Plus family of graphing calculators, the r and r2 values are computed for LinReg(a+bx), LinReg(ax+b), ExpReg, PwrReg and LnReg. R2 is computed for QuadReg, CubicReg and QuartReg. The r, r2 and R2 values are...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34424
Solution 22750: Unable to Switch Keypads While Using Press-to-Test Mode on a TI-Nspire™ Family Handheld.
...andhelds can detect an improperly inserted keypad. The handheld will load the operating system then display the following error: "This key pad is not compatible with the current Press-to-Test mode. Please revert to the key pad used when entering Press-to-Test mode." No further actions on the hand...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/22750
Solution 26830: Definition of LEDs on the TI-Nspire™ Handheld and Wireless Cradle.
...dicator from a battery status to a cradle status. Wireless CradleThe wireless cradles connect directly to the TI-Nspire or TI-Nspire CAS devices, and communicate wirelessly to the Access Point. This means, there are no wires between the student unit and the cradle. At this time, we can support up...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/general-information/26830