Solution 39837: How to clean up "leaky" AAA or AA batteries on a TI calculator
...ally leak. Extremely high temperatures can also cause batteries to leak. The “leaking” from alkaline batteries (like typical AAA or AA batteries you buy at the store) often looks like a white, powdery substance. This substance is actually a base (alkaline), not an acid. How can I help prevent alk...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
.... 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 the...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.
...ver 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 expressi...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35994
Solution 35013: Using the Chi-Squared Goodness of Fit Test on the TI-Nspire™ Family Products.
...ow. X List: 16,25,22,8,10 Y List: 16.2,21.5,16.2,14.4,12.6 Degree of freedom 5 1) Press [home] and add a Lists & Spreadsheet. 2) In column A, input the values from "X List", making sure to press [enter] after each entry. 3) In column B, input the values from "Y List", making sure to press [...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35013
Solution 29710: Calculating Combinations and Permutations on the TI-Nspire™ Family Products.
...spire family products? The examples below 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 calcula...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™.
...at some syntax entry is valid when in fact it is not.Example:• Create TI-Basic programs with various formats of Wait command argument.• Enter valid input:Wait (500/4076*60)Wait 500/4076*60 • Invalid input:Wait (X)+5Notice here, the right parenthesis is a signal in TI-Basic that the command argume...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37715
Solution 10631: Calculator Usage Guidelines for the ACT® test.
...g 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 with ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10631
Solution 33471: Graphing a Function and the Slope Field Based on that Function using the TI-Nspire™ CAS Family.
...o do this follow the steps listed below: • Press [home] and add a Graphs App. • Press [doc] [5] [2] [2]. • If necessary, press [ctrl] [tab] to put the focus on the newly created split screen. • Press [menu] [2]. • Press [ctrl] [tab]. • Press [X][x2] [enter]. • Press [ctrl] [tab]. • Press...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33471
Solution 38375: Troubleshooting Connectivity Issues with Texas Instruments SilverLink USB cable on Mac OSX.
...hooting 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 Silve...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/38375
Solution 33591: Finding the Domain of a Graph Function Using the Domain Command on the TI-Nspire™ CAS Products.
...? Example: Find the domain of x^(2)-2x+3 1) Press [home] [1] to create a new document. 2) Press the [2] key to insert the "Graphs" application. 3) Input x^(2)-2x+3 and press [enter] 4) Insert a calculator page by pressing [ctrl] [+ page] and select 1 5) Press the [catalog] key located above th...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33591
Solution 33631: Evaluating an Expression in the Graphs Application using the TI-Nspire™ Family Products.
...ase Search How do I evaluate an expression in the graphs application using a TI-Nspire family products? To evaluate an equation (find the output of a specific input) from the graphs application, please follow the steps below. For example: Find ¦(2.43) for ¦(x)= 2x^2+4x+7. • From the ho...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33631
Solution 11307: Calculator Software Applications (Apps) Bundled with the TI-84 Plus Silver Edition Graphing Calculator.
...eFolio™ App • Organizer App • Periodic Table App • Polynomial Root Finder and Simultaneous Equation Solver Version 2.0 • Probability Simulation App • Puzzle Pack App • Science Tools App • Start-Up Customization App • StudyCards™ App • Topics in Algebra 1 (Chapters 1- 5) App • Transformation Graph...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11307
Solution 12005: Unexpected Complex Answer Results (i Imaginary) on the TI-83 Plus, TI-84 Plus, and TI-84 Plus C Silver Edition.
... complex number -3E-13-i. The real part, -3E-13, is an approximation of zero. Thus, -3E-13-i is the same as 0-i which is equal to -i. With certain computations, these calculators use very sophisticated algorithms to calculate the most accurate answer possible. The same algorithm will also approxi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12005
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®.
...t 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 calcu...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/11483
Solution 34371: Using a Boolean Formula in a Spreadsheet with TI-Nspire™ Family Products.
...ducts? Example: 1) From the home menu, press [1]. 2) Select 4: Add Lists & Spreadsheet. 3) Enter list of numbers in column A. 4) Go to cell B1 and input [=][a][1][ctrl][<][0] and press [enter]. 5) Scroll up back to cell B1 and press [ctrl] [c] to copy the formula. 6) Scroll down and press [shif...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34371
Solution 11896: Standards Used to Verify Functionality of Graphing Calculators.
...curacy 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 software (firmware) to be error free. Please note that the testing protocol is proprietary; therefore, it is not availa...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11896
Solution 35576: Calculating the Mean or Median of a List Using TI-Nspire™ Family Handhelds.
... 4, 4, 6, 7, 9, 19} 1) Store the values to a list so you can use that with calculations. 2) From the home screen, go to the calculator option. 3) Input {2, 4, 4, 6, 7, 9, 19} 4) Press the right arrow to go outside of the brackets 5) Press [ctrl] [var] [A] [enter] To find the mean: 1) Press [...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35576
Solution 13004: Troubleshooting a TI-Presenter™ Not Showing the Calculator Image on the TV Screen.
...is not the splash screen or busy screen. Solution: • Press [CLEAR] on the calculator. • Turn Off the calculator, then turn it back on and start the input again. • Make sure the calculator cable connector is fully inserted into the TI ViewScreen™ port on the calculator. Problem: Calculator display...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/13004
Solution 11782: Performing Polar Complex Number Calculations in Degree Mode on Graphing Calculators.
...olic, or inverse-hyperbolic functions. Consequently, radian-mode identities between these functions are not generally true for degree mode when the inputs or results are non-real. For example, degree-mode scaling is applied to cos(X) + i sin(X) but not to the radian-equivalent expression eiX. Rad...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11782
Solution 39479: Update the Operating System (OS) on multiple TI-Nspire CX Family Calculators using TI-Nspire CX Premium Teacher Software.
...nts. • 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] • In ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/39479
Solution 29610: Performing A 2-Samp Z Test on the TI-Nspire™ Family Products.
... How do I calculate a 2-Samp Z Test using the TI-Nspire family products? 2-Samp Z Tests (two-Sample Z Test) test the equality of the means of two populations (u1 and u2) based on independent samples when both population standard deviations (1 and 2) are known. Using the Lists & Spreadsheets App...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/29610
Solution 22550: Finding the Circumference of a Circle or the Perimeter of a Shape Using the TI-Nspire™ Family Products.
...l 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 operating system can be found at the TI-Nspire CX and TI-Nspire CX CA...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/22550
Solution 34411: TI-84 Plus C Silver Edition Calculator Display Filled With the Last Character Pressed On the TI Keyboard After the Data Cable is Disconnected.
...le is disconnected? If a user connects a TI-84 Plus C Silver Edition Graphing Calculator to the TI Keyboard, holds a key on the TI Keyboard and then pulls out the data cable, the calculator display will be filled with the text of the last key pressed on the TI Keyboard. This can be stopped by pr...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34411
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.
...s 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 no...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34424
Solution 22951: Translating, Rotating, or Stretching a Graphed Function Using the TI-Nspire™ Family Products.
...ion on the latest operating system can be found at the TI-Nspire and TI-Nspire CAS latest software pages. The following types of functions can be manipulated (translated, rotated, stretched) using the Graphs application: Linear function; y=b Linear function; y=a*x+b Quadratic function; y=a(x-b)^2...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/22951