Solution 26350: Recommendation for Disinfecting TI Handheld Products.
...-84 Plus family of products Knowledge Base Knowledge Base Search How can I disinfect TI handheld products? Texas Instruments is concerned about the health and safety of students using personal and school-owned calculators and recommends cleaning methods th...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.
... Knowledge Base Knowledge Base Search How can 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,...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34813
Solution 34212: Calculating Cubic Regressions on the TI-Nspire™ Family Handhelds.
...e Family handheld? Cubic Regression is a process by which the cubic (third degree) equation of "best fit" is found for a set of data. The following example will demonstrate how to calculate a cubic regression: X= {15, 25, 50, 50, 75, 80, 95} Y= {4, 9, 20, 31, 55, 42, 73} Key in the data into the...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34212
Solution 34232: Finding Common Denominators on the TI-Nspire™ CAS Family.
...atio 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) • Press [home]. • Press [A]...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.
... version of the OS originally on the handheld, it may be necessary to update the OS up to three times to get up to the latest version of the OS. For example, if the handheld originally had version 1.2, first update to 1.7 OS, then 3.1 OS, then 3.2 OS using the steps above. TI-Nspire CAS Family: 1...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34391
Solution 33812: Algorithm Used for the cZeros() (Complex Zeros) Function on the TI-Nspire™ CAS Family.
...to determine all complex zeros. The cZeros(expr, var) function does this by computing exp►list(cSolve(expression = 0, var, var). Please refer to the example provided below. Example: cZeros(x5+4x4+5x3-6x-3, x) 1) Press [doc►] [7] [►] [2] [enter]. 2) Change the Display Digits to Fix 3: and Calculat...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.
...ng calculations in real mode, "ERROR: NONREAL ANSWERS" or "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 re...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.
...ome] [5] [4] on your TI-Nspire Handheld device. If you need to update your operating system please follow the steps listed in Knowledge Base #21390. Example: Graph x>1: Please Note: The below steps will only work within a graphs page in a document and will not work in the Scratchpad Graph. 1) Fr...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34971
Solution 19189: Using the TI-84 Plus Silver Edition Faceplate on the TI-83 Plus Family Graphing Calculators.
...Silver Edition Graphing Calculators. If a faceplate was purchased for the wrong calculator, please see the Return Policy for Items Purchased from Texas Instruments Knowledge Base case for information on how to receive a refund. Solution 19189: Using the TI-84 Plus Silver Edition Faceplate on t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/19189
Solution 35032: Calculating the Eigenvalue and Eigenvector of a Matrix on the TI-Nspire™ CAS Family.
...ily? To calculate the eigenvalue and eigenvector of a matrix on the TI-Nspire CAS family refer to the instructions below: Matrix for both of these examples is: a = [ 4 5 7 4 1 8 1 6 5] To create the matrix, insert a Calculator page and follow the steps l...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35032
Solution 39837: How to clean up "leaky" AAA or AA batteries on a TI calculator
...e. This substance 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...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/39837
Solution 35914: Calculating the Central Difference Quotient of an Expression on the TI-Nspire™ CAS Family.
...calculate expression, list, and matrix. This function is found under [catalog]. The syntax is as follows: centralDiff(Exp, Var[=Value][,Step]) These examples are done in Radian mode of a calculator App, to change the settings to Radian please do the following: 1) Press [home] and choose to add a ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35914
Solution 35955: Creating A Polar Rose With TI-Nspire™ Family Handhelds
...™ family of products Knowledge Base Knowledge Base Search How do I create a polar rose on TI-Nspire Family Handhelds? The example 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 symb...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.
...perator with any defined derivative function, the TI-Nspire CAS Family will make substitutions within the function prior to any simplification. For example, if you use a calculator page and define the function below: ddf(x,k):=derivative(derivative(((1)/(k))*x^(3)-9*x^(2)+15*k*x,x),x) Next you ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35994
Solution 39258: Create a New TI-Nspire Navigator Class Database.
...s key]+[R] to open the run dialog then type the text below in the dialog then click [OK]:%localappdata%3) In the above folder rename or delete the "Texas Instruments" folder which contains the TI-Nspire Navigator class database.Mac:1) Close the TI-Nspire Navigator Teacher Software if it is open2)...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/39258
Solution 10389: Differences in Features Between the TI-82 and TI-83.
...luates it as (1/2)*X.• Prefix functions like sin(, cos(, etc. come with an open parenthesis to help clarify which values the functions apply to. For example, sin(2X) rather than sin 2 X.• Sequence graphing mode on the TI-83 is different than on the TI-82. It is based on the the TI-92. Details are...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10389
Solution 35013: Using the Chi-Squared Goodness of Fit Test on the TI-Nspire™ Family Products.
...s of Fit test on the TI-Nspire family products? To calculate Chi-Squared Goodness of Fit Test using the TI-Nspire family products, please follow the example listed below. 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. ...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.
...nowledge Base Knowledge Base Search How do I calculate combinations and permutations on the TI-Nspire family products? The examples below will demonstrate how to calculate combinations and permutations using the TI-Nspire family handhelds and computer software. Example:...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™.
...ntheses display an unexpected syntax error on the TI-84 Plus CE™? There may be an expectation that 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 in...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37715
Solution 10391: Linking a TI-83 Family or TI-84 Plus Family Graphing Calculator to a TI-82 Graphing Calculator.
...(nMin) TblMin TblStart For example, if a program that contains nStart on a command line is transmitted from a TI-82 to a TI-83 family / TI-84 Plus family calculator, and then ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10391
Solution 37716: Scrolling a large list on the TI-84 Plus CE™ home screen displays odd information.
...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 viewi...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.
...odels with built-in Computer Algebra Systems (capability to simplify algebraic expressions, multiply polynomials, or factor polynomials).Specific Texas Instruments graphing calculators prohibited for use on the ACT test include the TI-89, TI-89 Titanium, TI-92, TI-92 Plus, Voyage™ 200, TI-Nspir...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10631
Solution 36294: Calculating A Normal Cumulative Distribution (normalcdf) on the TI-Nspire™ Family Handhelds
... cdf) using the TI-Nspire Handheld? How do I calculate a Normal Cumulative Distribution (normal cdf) using the TI-Npsire Handheld? Use the following example as a guide when calculating for the normal CDF with a TI-Nspire Family Handheld: Lower Bound: 5 Upper Bound: 15 Mean: 5 Standard Distributi...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/36294
Solution 33551: Finding the Arc Length of an Expression on the TI-Nspire™ CAS Family Line.
...uming a function mode definition. The syntax of the arcLen() function is as follows: arcLen(expression1,var,start,end) arcLen(list1,var,start,end) Example: Find the arc length of cosine(X) from 0 to π. • Press [home] [A]. • Press [menu] [4] [B]. • Press [trig►] [►] [enter]. • Press [X] [►] ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33551
Solution 10650: Proving Ownership of Lost/Stolen Calculators.
...ase Knowledge Base Search Are there any means of proving ownership of lost/stolen TI calculators? Texas Instruments does not register serial numbers for TI calculators Please Note: Texas Instruments does not replace stolen/lost calculators. If yo...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10650