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 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 37716: Scrolling a large list on the TI-84 Plus CE™ home screen displays odd information.
... list on the TI-84 Plus CE™ home screen? There are some scenarios where displaying the contents of a list on the home screen displays an unexpected result.Example:After recalling a 999 elements list and attempt to scroll the display does not display accurately. Due to a physical limitation on the...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 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 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 11883: Graphing Calculator Seems to Slow Down When the TI Connectivity Cable is Inserted.
...se Search Why does my graphing calculator seem to slow down when the TI connectivity cable is attached? If the TI Connectivity cable is not completely inserted into the I/O port, it can cause the graphing calculator to appear to "slow down". The graphing calculator will usually respond ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11883
Solution 11778: Different Logistic Regression Models Available On Current Texas Instruments Graphing Calculators.
...3 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why is the logistic regression computed on the TI-83 family, TI-84 Plus family, TI-Nspire family, and TI-Nspire handheld in TI-84 Plus mode different from the one computed on the...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11778
Solution 11410: Benefits of Calculator Software Applications (Apps) Over User-created Programs.
...M, rather than user RAM, so they keep user RAM available to store data. Apps cannot be accidentally removed from Flash ROM by resetting the RAM or by completely draining the batteries (dead batteries). Apps can be much more powerful and faster than a user-defined program. Apps have been developed...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11410
Solution 39479: Update the Operating System (OS) on multiple TI-Nspire CX Family Calculators using TI-Nspire CX Premium Teacher Software.
...uments. • Download the latest version of TI-Nspire CX, TI-Nspire CX CAS, TI-Nspire CX II, or TI-Nspire CX II CAS OS. • Connect the calculators to the computer via USB cable or TI-Nspire CX Docking Station. • Open the TI-Nspire CX Premium Teacher Software. • Click [Window] [Content Workspace] • ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/39479
Solution 29690: Calculating Inverse of a Matrix Using the TI-Nspire™ Family Products.
... Home | TI-Nspire™ family of products Knowledge Base Knowledge Base Search How do I compute the inverse of a matrix using the TI-Nspire family products? To compute the inverse of a matrix using the TI-Nspire family handhelds and co...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/29690
Solution 26990: Version Number Error Using Catalog Help On The TI-84 Plus™ Family.
...ou attempt to run it on the newer operating system. To download the latest version of Catalog help, please visit the link below: https://education.ti.com/en/software/details/en/4A72374E5E8C4AB6926F9B20A9C72FF6/83cataloghelp If the above information does not resolve the issue, please contact TI-Ca...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/26990
Solution 29610: Performing A 2-Samp Z Test on the TI-Nspire™ Family Products.
...ts & Spreadsheet." 2) Scroll to the top of column A, and input "list_1" in the cell with the "A" label. To input an underscore, press [ctrl] + the space bar. 3) Input the numbers from list 1 (given in this example) into the column named "list_1'. 4) Scroll to the top of column B, and name ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/29610
Solution 11877: Battery Voltage Required to Power a TI Graphing Calculator.
...he equivalent of four AAA batteries. When the battery power decreases through use, the contrast on the calculator's screen may need to be adjusted to compensate for the loss of power. In most cases, the batteries will need to be changed when the reduction in voltage reaches about 4.0 to 4.2 volts...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11877
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 22550: Finding the Circumference of a Circle or the Perimeter of a Shape Using the TI-Nspire™ Family Products.
...rements can be found by using the "Length" tool. The Length tool is one of the options under the "Measurement" menu. Please Note: Texas Instruments recommends all TI-Nspire family users update the handheld and computer software to the latest operating system. More information on the latest operat...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/22550
Solution 22610: Calculating One-Variable Statistics Using the TI-Nspire™ Family Products.
...cts Knowledge Base Knowledge Base Search How do I calculate one-variable statistics using the TI-Nspire family handheld or computer software? To calculate one-variable statistics using the TI-Nspire family handheld or computer software, please follow the example listed...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/22610
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 22730: Calculating Monthly Payments Using the TI-Nspire™ Family Products.
... products Knowledge Base Knowledge Base Search How do I calculate monthly payments using the TI-Nspire family handheld and computer software? To calculate monthly payments using the TI-Nspire family handheld and computer software, please follow the example listed below...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/22730
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
Solution 24334: Variables Which Cannot be Linked to Sliders Using the TI-Nspire™ Family Products.
... Home | TI-Nspire™ family of products Knowledge Base Knowledge Base Search Which measurements cannot be linked to a slider variable using the TI-Nspire family products? The following measurements cannot be linked to a variable and ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/24334
Solution 31931: Calculating Variance Using the TI-Nspire™ Family Handhelds.
....16) Press 1: Add Calculator.17) Press [var].18) Scroll down to stat.óx and press [enter].19) Press [x2] and press [enter].Please Note: The variance( command will find the sample variance which is the sample standard deviation of x raised to the power of 2.Please see the TI-Nspire CX, TI-Nspire C...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/31931