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 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 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 10391: Linking a TI-83 Family or TI-84 Plus Family Graphing Calculator to a TI-82 Graphing Calculator.
...ists L1 through L6 with up to 99 elements can be transferred from a TI-83 family / TI-84 Plus family calculator to a TI-82 using the Lists to TI82... command in the LINK Send menu. The software that enables this communication is built into the TI-83 family / TI-84 Plus family calculator. The o...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10391
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 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 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 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 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 22951: Translating, Rotating, or Stretching a Graphed Function Using the TI-Nspire™ Family Products.
...roducts? To translate, rotate, or stretch a graphed function using the TI-Nspire family products, follow the steps listed below. Texas Instruments recommends all TI-Nspire family users update the handheld and software to the latest operating system. More information on the latest operating syste...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/22951
Solution 23071: Performing Unit Conversions Using the TI-Nspire™ CAS Family Handheld.
... CAS family handheld? To perform unit conversions using the TI-Nspire CAS family handheld, please follow the steps listed below. Texas Instruments recommends all TI-Nspire CAS users update the handheld to the latest operating system. More information on the latest operating system can be found a...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/23071
Solution 24656: Creating a Scatter Plot Using the TI-Nspire™ Family Products.
... abc are entered and do the same for column xyz. Split the screen: 1) Press [doc] then select Page Layout [5], Select Layout [2], and Layout 2 [2]. Complete the Scatter Plot: 1) Move to the new page by pressing [crtl] [tab]. 2) Press [menu] [2] to insert the Graphs application. 3) Press [menu],...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/24656
Solution 11993: Correcting a Syntax Error When Running a Program on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...0] to access the CATALOG menu. 2) Press the [MATH] key which corresponds with the letter A and scroll down to Asm(. 3) Press [ENTER] to copy the Asm( command to the home screen: 4) Press the [PRGM] key and select the name of the program to run. For example, if the name of the program is "Algebra...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/11993
Solution 24690: Solving Systems of Linear Equations Using the TI-Nspire™ Family Products.
...sing the TI-Nspire family products, the "Calculator" application and "Solve System of Linear Equations..." template must be used. 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/24690
Solution 24770: Solving a System of Linear Equations on the TI-Nspire™ Family.
...quations on the TI-Nspire family? Simultaneously solving a system of linear equations on the TI-Nspire family products can be done using the simult( command. The following example will solve x and y for the equations: For Example: x + 2y = 1 3x + 4y = -1 1) Press [home] [A] or add a Calculator ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/24770
Solution 24790: Simultaneously Solving a System of Nonlinear Equations on the TI-Nspire™ Family Handheld.
...wo nonlinear equations, x=1.46 and y=0.212. TI-Nspire CAS In addition to using graphs, the TI-Nspire CAS handheld can also use the solve( and "and" commands to solve simultaneous equations: • In the calculator application, press the catalog key. • Use the tab key to move the cursor to the sec...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/24790
Solution 22251: Drawing the Symmetrical Image of a Shape on the TI-Nspire™ Family.
... TI-Nspire family handheld so that they are not accessible during an exam, the Press-to-Test feature must be used. Please Note: Texas Instruments recommends all TI-Nspire family users update the handheld to the latest operating system. To activate Press-to-Test mode via the handheld: 1) If th...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/22251
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
Solution 32071: Creating Vertical Line and Function on the TI-Nspire™ CX Family Line of Products.
...ess [menu] [3] [2].2) Press [X] [=] [P] [I] [E] [C] [E] [W] [I] [S] [E] [(] [(-)] [3] [,] [(-)] [3] [<] [Y] [<] [2] [enter] .Please Note: To access < command press [Ctrl] [=]. Additionally the "piecewise" command can also be selected from the [Catalog] instead of typed. Please see the TI-Nspire ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32071
Solution 40358: Updating or Reloading the TI-Nspire™ CX or TI-Nspire CX CAS Calculator Operating System
...TI-Nspire CX or TI-Nspire CX CAS Calculator? Please Note: If you experience issues connecting your TI-Nspire CX or TI-Nspire CX CAS calculator to the computer please follow the steps in Kbase #27430 Additional Note: The steps below are only for the TI-Nspire CX or TI-Nspire CX CAS calculator. If...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/40358