Solution 34931: Using the Manual-Fit Function on the TI-84 Plus Family of Graphing Calculators.
...ts marked will automatically be drawn and the calculator will display the equation of the Manual-Fit Line in the form Y=mX+b, where m and b are the current values of the slope and y intercept (respectively). The current value of the first parameter (m) in the symbolic expression is highlighted. ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34931
Solution 34516: Finding the Zero of a Function on the TI-84 Plus CE and TI-84 Plus C Silver Edition.
...Enter the function. 3) Press [GRAPH]. 4) Press [2nd] [CALC] [2]. 5) When prompted for "Left Bound?", specify the left bound for x using the arrow keys or enter a value and press [ENTER]. 6) When prompted for "Right Bound?", specify the right bound for x using the arrow keys or enter a va...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34516
Solution 34534: Solving a Quadratic Equation Using Numeric Solver on the TI-84 Plus CE and TI-84 Plus C Silver Edition.
...below to solve the example equation: x2=5x-6. 1) Press [MATH] [ALPHA] [B]. 2) Once you will the two boxes, E1 and E2, press [x] [x2] next to E1. 3) Arrow down to E2 and press [5] [x] [-] [6] then press [GRAPH] to select OK. 4) Notice that the equation is now written correctly. 5) Input the f...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34534
Solution 34506: Calculating and Graphing a Linear Regression on the TI-84 Plus family of graphing calculators.
... entry to move down along the list. To calculate the Linear Regression (ax+b): • Press [STAT] to enter the statistics menu. • Press the right arrow key to reach the 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 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34506
Solution 12006: Using the Numeric Solver on the TI-84 Plus and TI-83 Plus.
...is balanced. An ellipsis shows that the value continues beyond the screen. When a number continues beyond the screen, be sure to press the right arrow (-->) to scroll to the end of the number to see whether it ends with a negative or positive exponent. A very small number may appear to be a l...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12006
Solution 34497: Creating and Viewing a Residual List on the TI-84 Plus family of graphing calculators.
...example: Caculate a linear regression for the following values: L1: {1, 2, 3, 4, 5, 6} L2: {2, 4, 6, 8, 9, 12} 1) Press [STAT] [1]. 2) Press [Up Arrow] until the cursor is on the top line, highlighting L1. 3) Press [CLEAR] [ENTER]. 4) Press [Down Arrow] [1] [ENTER] [2] [ENTER] [3] [ENTER] [4]...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34497
Solution 11978: Performing Unit Conversions Using Science Tools Application on TI-83 Plus Family or TI-84 Plus Family Graphing Calculators.
... can load an application called the Science Tools App which contains a unit converter. To run the Science Tools: 1) Press the [APPS] key and use the arrow keys to scroll down to SciTools and then press the [ENTER] key to select it. 2) Press any key on the calculator to continue at the title sc...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11978
Solution 34775: Displaying Input and Output in Line Wrap on the TI-84 Plus Family of Graphing Calculators.
...hots with this feature enabled: This feature can be disabled by switching to CLASSIC mode using the steps below: 1) Press [MODE]. 2) Using the arrow keys, highlight the MATHPRINT option. 3) Press the [right arrow] key to highlight CLASSIC and press [ENTER]. 4) Press [2nd] [QUIT] to return t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34775
Solution 34500: TI TestGuard™ Application for the TI-84 Plus and TI-84 Plus C Silver Edition Validation Feature Information.
...the TI-84 Plus and TI-84 Plus C?a. The TI Validation feature checks the integrity of the software to ensure it still has TI authentic software (not corrupted software or from a non-TI source). Why is TI authentic software important?a. The reason to care that you have TI authentic software is ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34500
Solution 40452: Performing Vector Calculations in Polar Form on the TI-84 Plus CE.
...ss [2ND] [.] [►] • Press [ENTER] to complete the calculation Please Note: The answer will display the "Imaginary" part in "Radian" because a Domain error will occur if you try this while in "Degree" mode. To convert this "Imaginary" part to a "Degree" angle some additional steps are required. • ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/40452
Solution 13322: Using the RandInt() Function on the TI-84 Plus and TI-83 Plus.
... is listed below. randInt( lower,upper[,number of trials]) Example: Find three random integers between 1 and 6: 1) Press [MATH] 2) Press the [Right Arrow] three times to go to the PRB menu 3) Press [5] to select the command randInt 4) Press [1] [,] [6] [,] [3] [)] 5) Press [ENTER] Please Note: ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13322
Solution 34655: Using the RandInt() Function on the TI-84 Plus CE and TI-84 Plus C Silver Edition.
... is listed below. randInt( lower,upper[,number of trials]) Example: Find three random integers between 1 and 6: • Press [MATH] • Press the [Right Arrow] three times to go to the PROB menu • Press [5] to select the command randInt • Input the lower, upper, n values • Select Paste and press [ENT...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34655
Solution 37375: Steps to follow to update the TI-84 Plus CE to the Latest Calculator OS and Apps.
...update the TI-84 Plus CE to the latest calculator OS and Apps? Step-by-step instructions for updating the calculator Operating System (OS) and transferring calculator software applications (Apps) onto a TI-84 Plus CE graphing calculator. Because most of the TI-84 Plus CE Apps have been updated, t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/37375
Solution 12208: Calculating Covariance on TI Graphing Calculators.
...earch How can I calculate covariance on my TI graphing calculator? Covariance is a measure of linear relationship, like the coefficient of correlation. Actually, it is a step leading to the calculation of the correlation coefficient. Covariance for a sample of data stored in the X and Y...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12208
Solution 37042: Updating a TI-84 Plus Family Calculator Operating System (OS) using TI Connect™ CE Software.
...s below to update your calculator OS to the latest version: 1) Download the operating system for your calculator by clicking on the link below that corresponds to your calculator: TI-84 Plus TI-84 Plus Silver Edition TI-84 Plus CE 2) Open the TI Connect CE Software. 3) Connect your calculator ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/37042
Solution 11138: Installing and Removing Faceplates on the TI-84 Plus Silver Edition and TI-84 Plus C Silver Edition.
...lator until it releases. Be careful not to damage the faceplate or the keypad. Installing New Faceplates: • Align the top of the faceplate in the corresponding grooves of the TI-84 Plus Silver Edition or TI-84 Plus C Silver Edition case. • Gently click the faceplate into place (do not force). ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11138
Solution 11141: Re-Establishing a Connection Using the Black TI Connectivity Standard Mini-A To Mini-B USB Cable After Failed OS Upgrade on the TI-84 Plus Family of Graphing Calculators.
...sing a black TI Connectivity Standard Mini-A to Mini-B USB cable after a failed OS upgrade on the TI-84 Plus family of graphing calculators? If the error message "Cannot establish communication" appears after an OS transfer failed, the calculator may no longer have a usable OS installed. The O...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11141
Solution 12218: Median-Median Line Algorithm on TI Graphing Calculators.
...he approach chosen was to fill the outside groups first and allocate the remaining data points to the center group. If the center group is empty, an error message is generated. The reason equal x values are not split up is to ensure that the same results are produced regardless of the order the d...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12218
Solution 11693: Algorithm for Solving Trigonometric Functions (Sine, Cosine and Tangent) on Texas Instruments' Graphing Calculators.
...d "rotate" a vector over this angle towards zero in a series of steps such that the sum of all the steps taken equals theta and we can accumulate corresponding X and Y increments for each step such that when we complete the process, Y/X = tan(theta). Variations of this basic concept can resul...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11693
Solution 13924: TI TestGuard 2.0™Quick Start Instructions.
...e TI TestGuard 2.0 app to get the student calculators ready for exams, follow the steps below. The TI TestGuard 2.0 app is designed to only be transferred to an educator's calculator. • Press the [APPS] key and select the "TestGrd2" app. • Select 1: Setup Calcs. • Either choose DELETE, then choos...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13924
Solution 11582: Finding the Zero of a Function on the TI-83 Plus and TI-84 Plus.
...Y=]. 2) Enter the function. 3) Press [GRAPH]. 4) Press [2nd] [CALC] [2]. 5) When prompted for "Left Bound?", specify the left bound for x using the arrow keys or enter a value and press [ENTER]. 6) When prompted for "Right Bound?", specify the right bound for x using the arrow keys or enter a va...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11582
Solution 15302: Connecting a TI-83 Plus Family or TI-84 Plus Family Calculator to the TI-SmartView™ 3.1 Emulator Software.
...is connection and then click the "Select" button.• Put the TI-SmartView 3.1 emulator software into "receive" mode by pressing [2nd] [X,T,Ө,n] [right arrow key] [ENTER].• To send a program from the TI-83 Plus/TI-84 Plus family calculator, press [2nd] [X,T,Ө,n] [3] to access PRGM in the LINK menu. ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/15302
Solution 11517: Updating a TI Graphing Calculator Operating System Using TI Connect™ for Windows®.
...l use data on the calculator. This will also cause a warning to appear, click [OK] to continue installing the OS. Additional Note: USB communication error: Protocol ID not recognized (8C080009) will appear if you attempt to upgrade the OS of a TI-Nspire with a TI-84 Plus Keypad. To upgrade a TI-N...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11517
Solution 11425: Sending the DataMate™ App or Program to a Graphing Calculator.
...family. • Connect the calculator to the CBL 2 with the unit-to-unit cable. • Put the calculator in receiving mode by pressing [2nd][LINK], the right arrow key and then [ENTER]. In receiving mode, the TI-83 Plus/TI-83 Plus Silver Edition or TI-84 Plus family calculator should display the message "...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11425
Solution 11576: Algorithm Used for Calculating the Sine Regression On the TI-86, TI-83 Family, or TI-84 Plus Family.
...es for the sine formula that best fit the x,y data lists. More formally, best is defined to be the values that makes the following sum of the square error function as small as possible.J = sum[ (a*sin(b*x(k) + c) + d - y(k))^2 ], for k = 1,2,...,nSolving this equation for the a,b,c,d parameters t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11576