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 38095: Graphing an Inverse Function on a TI-Nspire CX Family
...ext press the [menu] [3:Graph Entry/Edit] [2:Relation] then enter the function: x=f1(y) then press [Enter] which will graph the inverse. If you have questions about the information listed above, please contact TI-Cares for additional assistance. Solution 38095: Graphing an Inverse Function on a...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/38095
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
Solution 11890: Registering a Texas Instruments (TI) Graphing Calculator on the TI Online Store.
...verify the warranty. The registration does not count as proof of purchase. Keep the purchase receipt as a proof of the date of purchase. If you have questions about the information listed above, please contact TI-Cares for additional assistance Solution 11890: Registering a Texas Instruments (T...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11890
Solution 39479: Update the Operating System (OS) on multiple TI-Nspire CX Family Calculators using TI-Nspire CX Premium Teacher Software.
...elect]. • Next click [Start Transfer] and the OS file will begin transferring to all connected calculators using all selected OS files. If you have questions about the information listed above, please contact TI-Cares for additional assistance. Solution 39479: Update the Operating System (OS) ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/39479
Solution 23150: Guidelines for Linking or Using Linked Variables on the TI-Nspire™ Family Products.
...ts. For example, if the user stores the value of 2 to the variable X in a TI-Nspire document, and then creates a new TI-Nspire document, X will not equal 2 in the newly created file. Each application allows the user to define a value or function as a variable. Defining a variable is the first st...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/general-information/23150
Solution 34924: Dots or Lines Appearing on a Graph When Using the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...option may be turned on or off by accessing the FORMAT menu. As an example, graph Y1 = x2 by doing the following: • Press [Y=]. • In Y1, press [X,T,q,n] [x²]. • Press [ZOOM] [6]. • Pressing [ZOOM] [0] to fit the function properly on the screen. To turn off the Grid, do the following: ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34924
Solution 19689: Using the TI-Nspire™ CAS Handheld, TI-Nspire CX CAS Handheld, and TI-89 Titanium Simultaneously In a Classroom.
.... This could also create operational confusion among students. In addition, the TI-Nspire CAS handheld and TI-Nspire CX CAS handheld offer new and unique pedagogical benefits that the TI-89 Titanium does not. Solution 19689: Using the TI-Nspire™ CAS Handheld, TI-Nspire CX CAS Handheld, and TI-8...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/general-information/19689
Solution 24493: Missing Graph Lines When Graphing a Family Functions on the TI-Nspire™ Family Products.
...mily of functions you wish to display that exceed 16. For example, trying to graph the following family of functions will show only 16 lines: f(x)=seq(a*x+1,a,1,20) If entered into the calculator like it is written above, the calculator would disregard 17x+1, 18x+1, 19x+1 and 20x+1. To graph a...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/24493
Solution 10600: Troubleshooting a TI-83 Plus or TI-84 Plus Family Graphing Calculator That Displays RAM Cleared.
...d display "Waiting...Please install calculator software now". From here, follow the instructions listed for Knowledgebase Article #11945. If you have questions about the information listed above, please contact TI-Cares for additional assistance. Solution 10600: Troubleshooting a TI-83 Plus or T...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/10600
Solution 32151: Calculating Logistic Growth Using the TI-Nspire™ CAS Family Products.
...determined a carrying capacity of 250 and a growth rate constant of .001. When will the population reach 100? Use deSolve( to solve the differential equation. Let x equal time so that you can graph the solution: 1) Open a calculator screen. 2) Press [menu] and choose 4: Calculus. 3) Scroll down t...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32151
Solution 32231: Computing the Dot Product using the TI-Nspire™ CAS Family Products.
...]. 6) Press [1] [,] [2] [,] [3]. 7) Press the right arrow once. 8) Press [,] [ctrl] [ [] ]. 9) Press [enter]. Please Note: Both vectors must have equal dimension, and the dimension must be either 2 or 3. Please see the TI-Nspire CAS family products guidebooks for additional information. Sol...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32231
Solution 11834: Algorithm for cSolve() Function on the TI-89 Family, TI-92 Family, Voyage™ 200 and TI-Nspire™ CAS Family.
... not rejected.The solve() function uses factoring together with the inverses of functions such as ln(), sin(), etc. Except in exact mode, these techniques might be supplemented by heuristics to isolate solutions, followed by nSolve() to refine approximations. Solution 11834: Algorithm for cSolv...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/11834
Solution 31271: Storing the Same Value in Every Cell of a List Using the TI-83 Family, TI-84 Plus Family, or TI-Nspire™ in TI-84 Plus mode
...in every cell of a list using the TI-83 family, TI-84 Plus family, or TI-Nspire in TI-84 Plus mode? As an example consider the example below of a sequence of the expression X from 1 to 10 that will need to be changed to values of 100 for all ten entries. • Press [2ND] [CATALOG] [S]. Select seq...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/31271
Solution 21710: Using Undo and Redo on the TI-Nspire™ Family.
...y of products Knowledge Base Knowledge Base Search How do I use the undo and redo functions on the TI-Nspire family handhelds or computer software? To use the undo and redo functions on the TI-Nspire family handhelds or computer software, please use the steps outlined b...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/21710
Solution 26490: Terms and Conditions for purchasing products through the TI Online Store.
Solution 26490: Terms and Conditions for purchasing products through the TI Online Store. Solution 26490: Terms and Conditions for purchasing products through the TI Online Store. global Solution 26490: Terms and Conditions for purchasing products through the TI Online Store. website ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/purchase-check-order-status/26490
Solution 12198: TI Graphing Calculators Not Allowed on the National Council of Examiners for Engineering and Surveying (NCEES) Exams.
... Plus Silver Edition, TI-Nspire™ and TI-Nspire™ CAS. Texas Instruments has been assured that this is an issue of test security and not one of product quality. Texas Instruments is not currently working on a graphing calculator specifically for NCEES. While new products will continue to be introd...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/12198
Solution 34573: Resolving an ERR:INVALID DIM or ERR:DIM MISMATCH Error on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...l result in the error message displayed below: If using matrices, to multiply two matrices ([B]*[A]), the column dimension of Matrix [B] must be equal to the row dimension of Matrix [A]. If the dimensions do not match, an ERR:DIM MISMATCH error will be displayed. Matrix [B]: Matrix [A]: ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34573
Solution 34417: Evaluating Composite Functions for a Specific Value of X on the TI-83 Plus and TI-84 Plus Family.
...gn and arrow up 3 times to select the '=' to the right of Y1, then press [ENTER] to disable the function from being graphed. Please Note: The black square surrounding the '=' disappears once the function is disabled. • Arrow down once and press [ENTER] to disable the Y2 function from being grap...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34417
Solution 34886: Press-To-Test Functionality Availability for the TI-84 Plus CE and TI-84 Plus C Silver Edition.
... What is Press-To-Test and how is it activated/disabled? All TI-84 Plus CE and TI-84 Plus C Silver Edition graphing calculators have a special key sequence that students and teachers can use to prepare a student calculator for exams where flash applications, programs and other files are not allo...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34886
Solution 34852: Calculating the Inverse of a Matrix on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... inverse of a matrix on the TI-83 Plus and TI-84 Plus family of graphing calculators? The example below will show how to calculate the inverse of a square matrix. For Example: Find the inverse of matrix A First enter the matrix: 1) Press [2nd] [MATRX] to enter the matrix menu. 2) Press [Left...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34852
Solution 34925: Calculating Two-Variable Statistics on the TI-84 Plus Family of Graphing Calculators.
...ess [STAT] [1] to access the STAT list editor. • Enter the data in the L1 and L2 lists, making sure to press [ENTER] after each entry. • Press [2ND] [QUIT] to return to the home screen. Calculating the two-variable statistics: • Press [STAT] [►]to highlight the CALC menu and press [2] to select ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34925
Solution 34927: Storing the Same Value in Every Cell of a List on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...e same value in every cell of a list on the TI-83 Plus and TI-84 Plus family of graphing calculators? As an example consider the example below of a sequence of the expression X from 1 to 10 that will need to be changed to values of 100 for all ten entries. • Press [2ND] [CATALOG] [S]. Select s...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34927
Solution 34419: Writing a Program that Generates a Menu on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...l a menu item is selected. The syntax for the Menu command is Menu("title", "text1", label 1, "text2", label 2,...). The menu title is enclosed in quotation marks. Up to seven pairs of menu items may follow. Each pair comprises a text item (also enclosed in quotation marks) to be displayed as ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34419