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.
...ayed with the regression models until "DiagnosticOff" is executed or the handheld is reset. To turn the DiagnosticOn: 1) Press [2ND] [0] [x-1] to access the CATALOG and jump to the "D" section of the commands. 2) Press the [Down Arrow] until you reach DiagnosticOn. 3) Press [ENTER] twice. The...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34424
Solution 34872: Performing Chi-Square Computations on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... highlight TESTS. 2) Select C:c2-Test. Please Note: If you did not use the default matrix [A] the matrices will need to be changed, the names can be accessed by pressing [2nd] [MATRX] then pressing the number of the matrix you have stored the O values to. Additional Note:The Color option only app...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34872
Solution 34924: Dots or Lines Appearing on a Graph When Using the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...s represent the graph's grid and when zoomed in to a smaller portion of the graph, can appear as solid lines. This 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]...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34924
Solution 36982: Error Code 6 or 39 displays on TI-Connect CE™ when an APP is transfered to the TI-84 Plus or TI-84 Plus Silver Edition calculator.
... Why does an “Error Code 6 or 39” display on TI-Connect CE™ when I transfer an app to my TI-84 Plus or TI-84 Plus Silver Edition? This error code occurs because the TI-84 Plus or TI-84 Plus Silver Edition is low in battery power. Please change your batteries on your Graphing Calculator if this...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36982
Solution 11993: Correcting a Syntax Error When Running a Program on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ng a program on the TI-83 Plus and TI-84 Plus family of graphing calculators I receive an ERR:SYNTAX. How can I fix this issue? An "ERR:SYNTAX" may occur when an assembly program is run as a TI-Basic program. To run an assembly program on the TI-83 Plus and TI-84 Plus family of graphing calculat...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/11993
Solution 31891: Calculating Measurements for Length, Area, Slope, and Angles Using the TI-Nspire™ Family Handhelds.
...ng the TI-Nspire family handhelds? The TI-Nspire family handhelds can calculate the measurements for length, area, slope, and angles of figures. To access the measurements options you will first need to insert a graphs application. Please follow the steps below: • Press [home]. • Select 2: Add ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/31891
Solution 31911: Using the Taylor Series Command on the TI-Nspire™ CAS Handhelds and TI-Nspire CAS Family Software.
...ynomial and press [enter] 5) Press [ctrl] [ln][x] [)] [,] [x] [,] [3] [,] [1] [)] [enter] The answer will display. Please Note: You may also access the command by typing taylor( Please see the TI-Nspire CX CAS, or TI-Nspire CAS guidebooks for additional information. Solution 31911: Usi...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/31911
Solution 28770: Correcting a Domain Error when Calculating a 1-Prop Z-Test on a TI Graphing Calculator.
... Why do I get a domain error when calculating 1-Prop Z-Test on TI graphing calculators? When calculating a 1-Prop Z-Test with the number of successes provided as a percentage, the calculation will result in a domain error unless the success percentage is converted to a value. Example: The...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/28770
Solution 12707: Service Information for Canada.
...ed on the date of purchase. Units are warranted against defective materials or workmanship. This warranty is void if the product has been damaged by accident, unreasonable use, neglect, improper service, or other causes not arising from defects in material or workmanship. If a product is not fun...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/warranty-replacement-options/12707
Solution 32171: Installing TI-Nspire™ Document Player for Mac® for Offline Use.
...using the drop down box then [Save] to proceed with the installation process. • The application will next display the below dialog click [Run] to accept the digital certificate. • The application will next display the below dialog click [Run] to accept the digital signature. • The applic...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32171
Solution 12725: Warranty Information on Texas Instruments Products Purchased in the United States.
...sed on the date of purchase. Units are warranted against defective materials or workmanship. The warranty is void if the product has been damaged by accident, unreasonable use, neglect, improper service, or other causes not arising from defects in material or workmanship. The warranty extends onl...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/warranty-replacement-options/12725
Solution 23911: Disposal or Recycle of an Old or Inoperable Calculator Product.
... in recycling your TI product. TI is concerned about mounting electronic waste and the proper disposal of products at the end of their useful life. Accordingly, Texas Instruments Education Technology products are designed to withstand years of use, and graphing calculators can be upgraded with n...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/warranty-replacement-options/23911
Solution 12197: Theft Preventative Solutions for TI Graphing Calculators.
...ucts Knowledge Base Knowledge Base Search What theft preventative measures are available for TI calculators? CCS Educational Inc., a third party dealer, has a product called Bat'ry Guard™. Bat'ry Guard™ is a locking battery door which serves to prevent bat...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/warranty-replacement-options/12197
Solution 19849: Error "Invalid input" When Naming a Column with the Same Name as a Stored Variable on the TI-Nspire™ Family.
...contents with the chosen name. If the name corresponds to an already defined variable, the handheld will display the error "Invalid input". If this occurs, simply choose a different name for the column. Please see the TI-Nspire family guidebooks for additional information. Solution 19849: Error...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/19849
Solution 34792: Computing Nominal and Effective Interest Rates on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...e, compounding periods). Use the ►Eff() function to compute the effective interest rate. The syntax is ►Eff(nominal rate, compounding periods). To access these functions, press [APPS] [ENTER] and select [B: ►Nom(] or [C:►Eff(]. Examples: Find the nominal rate of 25 effective rate with 2 compou...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34792
Solution 34575: Calculating Y-Hat Values on the TI-84 Plus Family of Graphing Calculators.
...es for a data set follow the example below: Please Note: The TI-84 Plus and TI-84 Plus Silver Edition require Operating System (OS) v 2.55MP to have access to the stat wizard view below. To verify what OS is installed press [2nd] followed by [+] then in the menu that appears select [1:About]. If ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34575
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.
... A cannot be multiplied by matrix B because the column dimension (2) in matrix A is not equal to the row dimension (3) in matrix B. If either error occurs when trying to graph a function (not a STAT PLOT), the error can be corrected by turning off the STAT PLOTS. The following steps will turn th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34573
Solution 34873: Correcting a Syntax Error When Running a Program on the TI-84 Plus C Silver Edition.
... When I try running a program on my TI-84 Plus C Silver Edition calculator, I receive an ERR:SYNTAX. How can I fix this issue? An "ERR:SYNTAX" may occur when an assembly program is run as a TI-Basic program. To run an assembly program on a TI-84 Plus C Silver Edition calculator, follow the step...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34873
Solution 34871: Clearing the Memory on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...of graphing calculators? The following will demonstrate how to clear the memory on the TI-83 Plus and TI-84 Plus family of graphing calculators. To access the reset options follow the steps below: 1) Press and release the [2nd] key then the [+] key (reads MEM above it in blue) 2) Choose 7:Rese...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34871
Solution 34925: Calculating Two-Variable Statistics on the TI-84 Plus Family of Graphing Calculators.
...alculators? Follow the example below to calculate two-variable statistics: Data for this example: L1: {3,5,8,10} L2: {7,2,3,1} • Press [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 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34925
Solution 11903: Inputting Symbols Not Found on the Graphing Calculator.
... How do I input symbols that cannot be found on the graphing calculator? If a user-defined program is opened as a text file, symbols that cannot be accessed using the graphing calculator keypad may be displayed. To view the program's code in the proper format, the program will need to be opened ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11903
Solution 34846: Graphing a Normal PDF Function and Displaying the Normal Distribution Curve on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...the steps below. 1) Press the [Y=] key and clear any previous functions by pressing [CLEAR]. 2) For Y1, input normalpdf(x,800,40). Please Note: To access the normalpdf function, press [2nd] [VARS] [1]. If you have Stat Wizards enabled (TI-84 Plus Family of Graphing Calculators Only), you will s...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34846
Solution 34845: Finding the Minimum or Maximum (Vertex) of a Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... To find the minimum or maximum of a function follow the example below. Example: Find the maximum of the function (-3x2 - 6x + 2) 1) Press [Y=] to access the Y= editor. For Y1, input (-3x2-6x+2). 2) Press [GRAPH] to graph the parabola. 3) Press [2nd] [TRACE] [4] to select the "maximum" comma...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34845
Solution 34840: Specifying Infinity in a Calculation on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...e - To specify positive infinity, input 1E99. To specify negative infinity, input -1E99. The "E" symbol is short for scientific notation and can be accessed by pressing [2nd] [EE]. -1E99 can be interpreted as "negative one times 10 to the ninety-ninth power". Please see the TI-83 Plus and TI-84...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34840
Solution 11919: Calculating Cubic Regressions on the TI-83 Plus Family of Graphing Calculators.
...] to restore default lists 2) Press [stat] [4] [2nd] [1] [,] [2nd] [2] to delete the data in all L1 and L2 To enter the data: 1) Press [stat] [1] to access the STAT list editor 2) Enter data in L1 by pressing 80 [enter] 84 [enter] 86 [enter] 91 [enter] 93 [enter] 96 [enter] 3) Enter data in L2 b...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11919