Solution 13004: Troubleshooting a TI-Presenter™ Not Showing the Calculator Image on the TV Screen.
...s [CLEAR] on the calculator. • Turn Off the calculator, then turn it back on and start the input again. • Make sure the calculator cable connector is fully inserted into the TI ViewScreen™ port on the calculator. Problem: Calculator display takes only one quarter of the TV screen (TI-89 only). So...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/13004
Solution 23851: Troubleshooting a TI-84 Plus Family or TI-89 Titanium That Responds Slowly to Key Presses.
... If conductive material is not lodged in the I/O port and the calculator responds slowly to key press entries, contact TI-Cares Customer Support for further troubleshooting and resolution. Solution 23851: Troubleshooting a TI-84 Plus Family or TI-89 Titanium That Responds Slowly to Key Presses...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/23851
Solution 23150: Guidelines for Linking or Using Linked Variables on the TI-Nspire™ Family Products.
...edge Base Search What are the guidelines for linking or using linked variables on the TI-Nspire family products? Variable linking is a powerful tool for building and exploring mathematical models using the TI-Nspire family products. Values and functions created or defined in one applica...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.
...ample, 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: • Press [2ND] [FORMAT]. • Press [↓] [↓]. • Press [ENTER]. • Press [...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34924
Solution 34917: Calculating and Graphing Quadratic Regressions Using the TI-84 Plus C Silver Edition.
...1, L2. L1 and L2 may already be populated by default.5) Scroll down to Store RegEQ and press [VARS], scroll right to highlight Y-VARS, then press [1](function) and [1] to input ,Y1.6) Press [ENTER] to calculate the quadratic regression. This will also copy the quadratic regression equation to the...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/computer-software-installation-activation/34917
Solution 12680: Return Policy for Items Purchased from Texas Instruments.
...struments. To return an item, please contact Texas Instruments at 1-800-842-2737. Please allow a one-month billing cycle to pass before viewing the refund on credit card statement.Please Note: If an item was not purchased directly from TI please contact the store, instructional product dealer, or...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/warranty-replacement-options/12680
Solution 12707: Service Information for Canada.
...d by accident, unreasonable use, neglect, improper service, or other causes not arising from defects in material or workmanship. If a product is not functioning properly, please contact TI-Cares for troubleshooting and/or replacement information. Please also reference the following Knowledge Ba...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/warranty-replacement-options/12707
Solution 40360: Updating the Handheld Operating System (OS) on a TI-Nspire™ Family calculator.
...lculator Please see the TI-Nspire family guidebooks for additional information. If you have questions about the information listed above, or require further technical assistance, please contact TI-CARES. Solution 40360: Updating the Handheld Operating System (OS) on a TI-Nspire™ Family Calculat...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/40360
Solution 21149: Writing Programs on the TI-Nspire™ Family.
...ing document by selecting the icon below: Please Note: If you press [A] for a Calculate page you will be unable to create a program since programing functionality is disabled in scratchpad. 2) Press [Menu] [9] [1] [1]. 3) Press [H] [E] [L] [L] [O] [tab] [tab] [tab]. 4) Press [enter]. 5) Pr...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/21149
Solution 34887: Using the Alpha Typing Mode for A Through Z and Other Characters Using TI-SmartView CE Emulator Software for the TI-84 Plus Family.
...the calculator locks the alpha key automatically. Alpha characters are used to enter text characters only. Users cannot use alpha characters to enter function names. For example, typing COS or FMIN does not calculate that function. Users must press the appropriate function key or select the funct...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34887
Solution 34575: Calculating Y-Hat Values on the TI-84 Plus Family of Graphing Calculators.
... I calculate y-hat values using the on the TI-84 Plus family of graphing calculators? After finding the regression equation for a data set, it is helpful to know what y-value the regression equation would predict for any x-value from the data set. This corresponding y-value is denoted y-hat. Y-ha...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34575
Solution 11921: Calculating Hypergeometric Probability Distributions on the TI-84 Plus and TI-83 Plus.
...owledge Base Search How do I calculate a hypergeometric probability distribution on the TI-83 Plus and TI-84 Plus? There is no pre-defined function in the calculator that will find the statistical values for a hypergeometric probability distribution. However, users can enter the formul...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11921
Solution 11892: Running a Program from the Archive Memory on a Graphing Calculator with FLASH Technology.
... Knowledge Base Search Can I run a program that is in the archive memory on a graphing calculator with FLASH technology? Programs, functions, variables, etc. stored in the archive memory cannot be executed. They must first be unarchived and placed in the RAM. Flash calculator...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11892
Solution 11918: Calculating and Graphing a Linear Regressions on the TI-83 Plus.
...display the form of the equation as (y=a+bx) and list the values for the two coefficients (a and b). It will store the regression equation to your Y1 function. The correlation coefficient (r and r^2) will be displayed if the diagnostics are on. Please Note: To turn the diagnostics on, from the h...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11918
Solution 34925: Calculating Two-Variable Statistics on the TI-84 Plus Family of Graphing Calculators.
...rn to the home screen. Calculating the two-variable statistics: • Press [STAT] [►]to highlight the CALC menu and press [2] to select the 2-Var Stats function. • From here, the XList should be L1, the YList should be L2 and the FreqList should be blank. You can press [2ND] [L1] to obtain L1, an...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34925
Solution 34421: Drawing the X-chart or R-bar Graphs on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...e a built in feature that creates and displays x-Chart or R-Bar graphs. There may be third-party programs available on the Internet that may add this functionality. An example search would be "TI-84 Plus +R-Bar graph". Solution 34421: Drawing the X-chart or R-bar Graphs on the TI-83 Plus and TI-...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34421
Solution 34538: Calculating Standard Deviation on the TI-83 Plus and TI-84 Plus Family.
...deviation can be calculated using several methods on the TI-83 Plus and TI-84 Plus Family. Standard deviation can be calculated by using the stdDev() function. The stdDev() function can be located by performing the following: 1) Press [2nd][LIST]. 2) Scroll to MATH and select 7:stdDev(. F...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34538
Solution 34571: Cannot Delete the Finance Application on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...edge Base Search Why can't I delete the Finance Application that is on the TI-83 Plus and TI-84 Plus family of graphing calculators? Finance functionality is listed in the Apps menu. This happened when the product shifted from the TI-83 to the TI-83 Plus. A key on the keyboard needed to...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34571
Solution 34506: Calculating and Graphing a Linear Regression on the TI-84 Plus family of graphing calculators.
...he CALC menu and then press 4: LinReg(ax+b). • Ensure Xlist is set at L1, Ylist is set at L2 and Store RegEQ is set at Y1 by pressing [VARS] [→] 1:Function and 1:Y1. • Scroll down to Calculate and press [ENTER]. The graphing calculator will display the form of the equation as (y=a+bx) an...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34506
Solution 34503: Generating Different Random-Number Sequences by Setting Seed Value on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...quence that is different than another random-number sequence using on the TI-83 Plus and TI-84 Plus family of graphing calculators? Using the "rand" function on the TI-83 Plus and TI-84 Plus family of graphing calculators generate the same random-number sequence for a given seed value. The defau...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34503
Solution 11985: Transferring Data Between the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
......". On the sending unit: 8) Press [ENTER] to initiate the data transfer. Please Note: The steps above can also be used to transfer programs, apps, functions and pictures between the TI-83 Plus and TI-84 Plus Family of Graphing Calculators. Please see the TI-83 Plus and TI-84 Plus Family guide...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11985
Solution 34654: Graphing a Polar Rose on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...de] 2) Press [↓] [↓] [enter] to set the calculator to Radian mode. 3) Press [↓] [→] [→] to highlight Polar mode and press [enter] Example: Graph the function 8sin(2.5q) 1) Press [Y=] to access the Y= editor. 2) Press [8] [sin] [2] [.] [5] [X,T,q,n] [ ) ] 3) Press [window] to access the graph WI...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34654
Solution 11978: Performing Unit Conversions Using Science Tools Application on TI-83 Plus Family or TI-84 Plus Family Graphing Calculators.
...n a TI-83 Plus family or TI-84 Plus family graphing calculator? The TI-83 Plus Family and TI-84 Plus Family graphing calculators do not have built in functionality in order to perform unit conversions, however you can load an application called the Science Tools App which contains a unit converte...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11978
Solution 34794: Inputting Absolute Values on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...e values on the TI-83 Plus and TI-84 Plus family of graphing calculators? The instructions below demonstrate how to input the abs( or absolute value function on the TI-83 Plus and TI-84 Plus family of graphing calculators. Example: Find |-3| • Press [MATH] • Scroll right to highlight NUM and ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34794
Solution 11966: Graphing Inequalities on the TI-83 Plus and TI-84 Plus.
...shing. Press the [ENTER] key repeatedly until a triangle pointing to the lower part is displayed. This will change the graph style to shade below the function (this style was chosen because the solution set consists of all real numbers below the line of the y= equation). 3) Press the [GRAPH] ke...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11966