Solution 34422: Calculating Inverse Sine (Arcsine), Cosine (Arccosine), and Tangent (Arctangent) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...d tangent (arctangent) using the TI-83 family, TI-84 Plus family, and TI-Nspire handheld in TI-84 Plus mode, follow the steps below. NOTE: For these examples, the handheld's angle mode setting will need to be changed to DEGREE mode. • Press the [MODE] key. • Scroll down to "RADIAN", scroll right ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34422
Solution 34428: Storing Values on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...pied to the cursor location on the calculator's screen. 3) Press [ALPHA] and then the letter of the variable to which that value will be stored. For example, to store 5 to the variable U, press [ALPHA] [5]. 4) Press [ENTER]. If an expression was entered, it will be evaluated. The value is now sto...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34428
Solution 34429: Finding the Row Echelon Form on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...on form of a matrix, input the matrix, exit the matrix editor, and then paste the ref() function on the home screen with the name of the matrix. The example below will demonstrate this procedure. Example: Find the ref() of matrix [A] Solution: To enter the matrix: • Press [2nd] [MATRIX]. • S...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34429
Solution 34031: Sorting List Elements in Ascending or Descending Order on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ending order: 1) Press [STAT], scroll to EDIT, and press 1:Edit to enter the list editor. 2) Enter the elements of the list you want to create. For example, press [4] [ENTER] [6] [ENTER] [5] ENTER] [3] ENTER] [1] [ENTER] [2] [ENTER]. 3) Press [2nd] [LIST]. 4) Scroll to OPS, select "SortA(" to...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34031
Solution 21313: Error Memory Full or Insufficient Memory When Trying to Send a StudyCards Stack to the TI-SmartView™ Software, TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...re is not enough free RAM available to accept the transfer, the Error Memory Full or Insufficient Memory message will appear.To resolve this issue, Texas Instruments recommends that you send AppVars through their respective software. For example, when sending StudyCards stacks, you should initiat...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/21313
Solution 11945: Correcting the Error Message Waiting...Please Install Calculator Software Now on a TI-83 Plus Family.
...l it while the transfer is taking place. For the Macintosh® platform (Using TI Connect 4.0 for Mac® OS X): Download the latest operating system for Texas Instruments' graphing calculators from the Latest Apps and OS website. 1) Click on the correct calculator model type from the menu on the left ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/11945
Solution 12215: Exchanges or Upgrades of TI Graphing Calculators.
...ucts Knowledge Base Knowledge Base Search Does TI offer exchanges or upgrades for TI graphing calculators? Texas Instruments does not have a policy that allows users to exchange one model of a calculator for another. TI also does not trade out one model ca...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/warranty-replacement-options/12215
Solution 34694: Using the fnInt Function Integral Command on the TI-84 Plus Family of Graphing Calculators.
...the syntax for the fnInt command is below: fnInt(expression, variable, lower, upper[,tolerance]), between lower and upper, with specified tolerance. Example: Find the function integral of A2, for the variable A, with 0 as the lower bound and 1 as the upper bound using the MATHPRINT mode: 1) Pres...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34694
Solution 13341: Using the fnInt Function Integral Command on the TI-83 Plus Family of Graphing Calculators.
...The syntax for the fnInt command is below: fnInt(expression, variable, lower, upper[,tolerance]), between lower and upper, with specified tolerance. Example: Find the function integral of A2, for the variable A, with 0 as the lower bound and 1 as the upper bound: 1) Press [MATH] then [9] to selec...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13341
Solution 34507: Performing Polar and Rectangular Conversions on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ledge Base Search How do I perform polar and rectangular conversions on the TI-83 Plus and TI-84 Plus family of graphing calculators? The examples below demonstrate how to perform polar to rectangular and rectangular to polar coordinate conversions. Converting coordinates requires two ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34507
Solution 12192: Graph of Certain Functions in Polar Mode Displays Negative Values on TI Graphing Calculators.
...why does the graph of certain functions display negative values? When graphing certain functions in polar coordinates, r can indeed be negative. For example, the graph of 6*sin(2q). r represents the distance away from the origin (radius), and q represents the angle deviation from 0. If r is negat...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12192
Solution 12980: Inability to Access the Memory Menu on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... operating system (OS) programmed to override or alter the calculator's original OS. This type of software is developed by third parties outside of Texas Instruments and is not recommended to be installed. Therefore, Texas Instruments is unable to provide support or technical assistance for such ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12980
Solution 12030: Entering Text in Lower Case on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...t in lower case on the TI-83 family, TI-84 Plus family, or TI-Nspire handheld in TI-84 Plus mode? It is not possible to enter lower case letters directly on the TI-83 family, TI-84 Plus family, or TI-Nspire in TI-84 Plus mode. However, users with a TI-83 Plus family, TI-84 Plus family, or TI-Nspi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12030
Solution 11989: Solving a Quadratic Equation Using Numeric Solver on the TI-83 Plus and TI-84 Plus.
...ions. After finding the first solution, enter a new initial guess or new bounds to look for the second solution. Follow the steps below to solve the example equation: x^2=5x-6. 1) First, re-write the equation to make it equal to zero. The new equation would be: x^2-5x+6=0. 2) On the TI-84 Plus f...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11989
Solution 11931: Calculating and Graphing Quadratic Regressions on the TI-83 Plus.
... How do I calculate and graph a quadratic regression using the TI-83 family, TI-84 Plus family, and TI-Nspire handheld in TI-84 Plus mode? The example below will demonstrate how to calculate and graph a quadratic regression using the TI-83 family, TI-84 Plus family, and TI-Nspire handheld i...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11931
Solution 11780: Number Base (Hex, Dec, Oct or Bin) Conversions on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...-84 Plus family, and TI-Nspire handheld in TI-84 Plus mode do not have a built-in number base converter.Many third-party websites have programs for Texas Instruments graphing handhelds available for download. Performing an Internet search, for example, "TI-84 Plus +number base converter", will re...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11780
Solution 11691: Adjusting the Contrast on a TI Graphing Calculator.
...[ctrl] key and the minus key to lighten. 3) Alternate between the [ctrl] key and the plus key to darken. If the screen still cannot be viewed correctly, see Troubleshooting a TI Graphing Calculator That Will Not Turn On. Please see the your calculators guidebook for additional information. Ple...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11691
Solution 12027: Detailed Information Provided When Using the Catalog Stopped After OS Update on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...rmed, the RAM is cleared, and all running applications are stopped. To restart the Catalog Help: • Press [APPS]. • Use the arrow keys to navigate to CtlgHelp and press [ENTER]. This will start the App. Note: If an error message is received indicating "ERR:Version" verify that the latest release ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12027
Solution 12002: Troubleshooting a TI-83 Plus and TI-84 Plus Family of Graphing Calculators Stuck on Defragmenting.
...nce TI OS Restore indentifies the correct calculator model number, drag and drop the operating system file from the desktop onto the picture of the Texas Instruments' graphing calculator. • Follow the instructions from the "Alert" window before clicking the "Proceed" button. Alternative Option: I...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12002