Solution 30290: Calculating with an Imaginary Number or the Exponential Constant on the TI-Nspire™ Family Products.
...e wrong result when calculating a problem with an imaginary number or the exponential constant on the TI-Nspire family products? When entering in equations that involve imaginary numbers (i) or exponential constant (e), you would not use the buttons [i] or [e]. These are intended for variables...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/30290
Solution 27210: Creating and Viewing a Residual List on the TI-83 Plus family of graphing calculators.
... [↓]. • Press [→] [↑] [↑] [↑] [↑] [↑] [↑] [↑]. • Press [CLEAR] [ENTER]. • Press [↓] [2] [↓] [4] [↓] [6] [↓] [8] [↓] [9] [↓] [12] [↓]. • Press [2ND] [QUIT] • Press [STAT] [→]. • Choose [4:LinReg (ax+b)]. • Press [2nd] [L1] [,] [2nd] [L2] [,] [VARS] [→] [1] [1] [ENTER]. • The linear regression wi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/27210
Solution 30491: Correcting Issues Graphing the Finance Balance Bal() Function on the TI-Nspire™ Family Handhelds and TI-Nspire Family Software.
...of the graph at every 4th value. This is caused by the calculator’s limitation of only being able to display 99 points in discrete graphing mode. Sequence Graph: • Open a Graphs page by pressing [Home] and using the cursor to select the [Graphs] icon on the bottom of the screen. • Switch to s...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/30491
Solution 13561: Function Speed Differences in the TI-83 Plus Silver Edition and the TI-84 Plus Silver Edition.
...r, available memory is reduced, and the calculator slows. This can be alleviated 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...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/13561
Solution 30951: Calculating and Graphing a Median-Median Regression on the TI-Nspire™ Family and TI-Nspire Computer Software.
...do I calculate and graph a Median-Median Regression on the TI-Nspire Family and TI-Nspire Computer Software? Med-Med (median-median) fits the model equation y=ax+b to be data using the median-median line (resistant line) technique, calculating the summary points x1,y1,x2,y2,x3 and y3. Med-Med di...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/30951
Solution 17090: Troubleshooting when the Y= Editor Screen Displays X= instead of Y= on the TI-83 Plus Family and TI-84 Plus Family.
... allow me to graph according to the X axis and not according to Y? If X= is displayed instead of the standard Y= when [Y=] is pressed, then the Inequality Graphing Application (App) is enabled on the TI-83 Plus family or TI-84 Plus family calculator. In order to restore the Y= Editor, the Ine...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/17090
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.
...] [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 list name. To edit the formula, press [ENTER], and then e...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/34537
Solution 32931: Computing Cross Product Using the TI-Nspire™ Family Products.
...ress the [Right Arrow] once. 8) Press [,] [ctrl] [ [ ] ]. 9) Press [4] [,] [5] [,] [7]. 10) Press [Enter]. Please Note: List1 and List2 must have equal dimension, and the dimension must be either 2 or 3. Both Vector1 and Vector2 must be row vectors, or both must be column vectors. Both vector...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32931
Solution 32991: Computing Cross Product on the TI-Nspire™ Family.
...) Press [2] [,] [2] [,] [3]. 5) Press [►] [,] [ctrl] [ [] ]. 6) Press [4] [,] [5] [,] [7]. 7) Press [enter]. Please Note: List1 and List2 must have equal dimension, and the dimension must be either 2 or 3. Both Vector1 and Vector2 must be row vectors, or both must be column vectors. Both vectors...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32991
Solution 34714: Correcting ERR: MEMORY on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...d Apps, no warning will be given to verify the deletion. Some system variables, such as the last-answer variable Ans and the statistical variable RegEQ, cannot be deleted. Please see the TI-83 Plus and TI-84 Plus Family guidebooks for additional information. Last updated: 7/05/2023 Solution 3471...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34714
Solution 26350: Recommendation for Disinfecting TI Handheld Products.
...ter isopropyl alcohol in a spray bottle, lightly dampen a lint-free cloth with the alcohol, and rub the calculator with the cloth. Do not spray any liquids directly onto a TI product. 2. Immediately wipe the calculator with a clean, dry cloth to remove any residue or film left by the alcohol pad....https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/26350
Solution 34212: Calculating Cubic Regressions on the TI-Nspire™ Family Handhelds.
...arch How do I calculate a cubic regression on a TI-Nspire 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, 7...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34212
Solution 34391: Troubleshooting Difficulties updating TI-Nspire™ Family Handheld Units With Older Operating Systems.
... [5] to check the OS version. 2) If the current OS is 1.3 or earlier, download the TI-Nspire family 1.7 OS. Please Note: The step below may not be required for all updates, as you may be able to move from 1.7 directly to 3.9. In some cases, you will be able to go directly from 1.7 to 3.9, though...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34391
Solution 36476: Resolving a Nonreal Answer/Ans Error on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...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 correctly. If th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36476
Solution 35935: Computing the Average Rate of Change of an expression on the TI-Nspire™ CAS Family Products.
...x. This function is found under [catalog]. The syntax is avgRC(Exp, Var[=Value][,Step]). An Average rate of change returns the forward-difference quotient. Expression 1 can be a user-defined function. 1) Press [catalog] and scroll down to avgRC( and key in the following: AvgRC(F(X),X,H) and...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35935
Solution 35955: Creating A Polar Rose With TI-Nspire™ Family Handhelds
...for Polar Functions. 3) Press [5], [*], [trig], [Enter], [6]. 4) Press [pi], select the [Θ] icon, and press [ENTER]. 5) Press [)] to finish the equation, and then press [ENTER] to graph it. Please see the TI-Nspire family guidebooks for additional information. Solution 35955: Creating A P...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35955
Solution 29710: Calculating Combinations and Permutations on the TI-Nspire™ Family Products.
...le out of a group of 10 people? This example would be calculated using combinations, since the order of the people being chosen doesn't matter. The equation is nCr = (n!)/((n-k)!k!), where n is the number of participants, and k is the number of people we are choosing. On the calculator screen: ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/29710
Solution 33471: Graphing a Function and the Slope Field Based on that Function using the TI-Nspire™ CAS Family.
...and the slope filed based on that function using the TI-Nspire CAS family? The TI-Nspire CAS family is not able to graph a function and differential equation on the same screen at the same time. However, it is possible to graph both at the same time using the split screen function. To do this fol...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33471
Solution 11128: Availability of Graphing Calculator Suitcases.
...table for shipping TI graphing and ViewScreen™ calculators. This suitcase holds up to 30 TI graphing calculators. The suitcase can be ordered from: Quality Cases and Containers LLC 1315 Exchange Drive Richardson, TX 75081 (972) 690-9911 (800) 275-3591 Graphing calculator shipping container: ref...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11128
Solution 33631: Evaluating an Expression in the Graphs Application using the TI-Nspire™ Family Products.
... Knowledge Base 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...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33631
Solution 33791: Using the Floor ( ) Function on the TI-Nspire™ Family Products.
...h How can I use the floor( ) function on the TI-Nspire family products? The floor function returns 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 matri...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.
...lowing Apps: • Area Formulas App • Cabri™ Jr. App • Catalog Help App • CellSheet™ App • Conic Graphing App • Fundamental Topics in Science App • Inequality Graphing App • Language Localization App • LearningCheck™ App • NoteFolio™ App • Organizer App • Periodic Table App • Polynomial Root Finde...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.
... when calculating i^7 is the 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...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12005
Solution 11954: Differences Between the TI-83 Plus Family, TI-84 Plus Family and TI-86.
...Flash technology for electronic upgradeability and Calculator Software Applications (Apps)• Finance• Inferential statistics• Split screen• Graphing sequencesItems found on the TI-86 that are not included in the TI-83 Plus family or TI-84 Plus family's functionality:• Differential equation graphin...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11954
Solution 11943: Correcting "ERR:DOMAIN" When Attempting to Find the Inverse of a Matrix on the TI-83 Family and TI-84 Plus Family Graphing Calculators.
... TI-83 family and TI-84 Plus family graphing calculators? When finding the inverse of a matrix, the [x-1] key must be used instead of pressing the sequence [^][-][1]. The [x-1] key is the official inverse key. The [^][-][1] sequence is only raising the matrix to the -1 power and will cause an ER...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/11943