Solution 34534: Solving a Quadratic Equation Using Numeric Solver on the TI-84 Plus CE and TI-84 Plus C Silver Edition.
...lus CE and TI-84 Plus C Silver Edition? The numeric "Solver" feature is limited to solving for only one solution at a time. Since there are generally two solutions for a quadratic equation, two different guesses must be entered into the solver to find both solutions. After finding the first solut...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.
... Scroll down to Calculate and press [ENTER]. The graphing calculator will 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...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34506
Solution 12009: Calculating Variance on the TI-83 Plus Family of Graphing Calculators.
...Search How is variance calculated on the TI-83 Plus family of graphing calculators? The TI-83 Plus family of graphing calculators calculates two types of standard deviation: the standard deviation of the sample and the population standard deviation. The population standard deviation, den...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12009
Solution 12006: Using the Numeric Solver on the TI-84 Plus and TI-83 Plus.
...lve the equation for X. The screen will display X=2. Terminology and Miscellaneous Notes: bound={lower,upper}. lower and upper are the bounds between which the TI-84 Plus and TI-83 Plus searches for a solution. This is optional, but it may help find the solution more quickly. The default is...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.
...e TI-84 Plus family of graphing calculators? When the TI-84 Plus family of graphing calculators calculates a regression, there will be a difference between the values of f(x) as calculated and the value as determined by the "best fitting" line. This difference is called a residual. When regressi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34497
Solution 34653: Performing String Operations on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...her and making them one string. For example, if string1 is "abc" and string2 is "def", then string1+string2 is a new string "abcdef". To concatenate two or more strings, follow the steps below: • Enter string1, which can be a string or string name • Press the [+] key • Enter string2, which can ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34653
Solution 34473: Calculating Variance on the TI-84 Plus Family of Graphing Calculators.
...earch How is variance calculated on the TI-84 Plus Family of graphing calculators? The TI-84 Plus Family of graphing calculators calculates two types of standard deviation: the standard deviation of the sample and the population standard deviation. The population standard deviation, den...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34473
Solution 34425: Entering Measured Angles in Gradients on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators
...le in grads = angle in degree * (400/360) Angle in degree = angle in grads * (360/400) A simple work around is to stay in radian mode and to define two conversion constants: 400/(2p) → R 2pi/400 → G Which can be used as sin(20G) in order to calculate the sine of 20 grads sin-1(0.9)R in order ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34425
Solution 34793: Calculating the GCD() (Greatest Common Divisor) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...mmon divisor) on the TI-83 Plus and TI-84 Plus family of graphing calculators? The gcd() function is used to calculate the greatest common divisor of two arguments of which must be nonnegative integers. When listA and listB are specified, gcd( returns a list of the gcd of each pair of elements. I...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34793
Solution 13322: Using the RandInt() Function on the TI-84 Plus and TI-83 Plus.
...ber of trials. The syntax for the randInt() function 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]...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13322
Solution 13006: Using the TI-Presenter™ Video Adapter.
...e Base Knowledge Base Search How do I use the TI-Presenter video adapter? The TI-Presenter video adapter is an interface between TI graphing calculators and video display/recording devices such as TVs, VCRs, video cameras, computer projectors with video input, or other ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13006
Solution 34655: Using the RandInt() Function on the TI-84 Plus CE and TI-84 Plus C Silver Edition.
...er of trials. The syntax for the randInt() function 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 l...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34655
Solution 37041: Taking screenshots from the TI-84 Plus family of calculators and saving them as image files using TI Connect CE™
...Capture workspace, you can capture screens from the TI-84 Plus family of graphing calculators and view them as images. Open the TI Connect CE Software Connect your calculator to the computer’s USB port; turn the calculator on, by pressing the [ON] button; and make sure the calculator ap...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/37041
Solution 17649: Using the GetCalc( Command on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... or picture) from one unit, and then store it to the memory of another compatible unit. The following steps detail how this is done: 1) Connect the two calculators using an I/O unit-to-unit cable or mini A to mini B USB cable. 2) On the receiving calculator, press [2nd] [CATALOG] and scroll do...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/17649
Solution 12185: Algorithm Used by TI Graphing Calculators for Computing Quartiles.
...case, it is at the position 3.25. Instead of returning an "exact" position, ((38-32)*.25) + 32 = 33.5, TI calculators return the "average" position between the 3rd and 4th ordered measurements. Here, the TI calculators calculate the 1st Quartile as (32+38)/2 = 35, instead of the "exact" position ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12185
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.
....The black TI Connectivity Standard A to Mini-B USB cable must be plugged in after the boot code screen (i.e. "Waiting...Please install calculator software now") is initialized.To re-establish a connection between the PC and calculator, try the following:• Unplug USB cable.• Turn the calculator O...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11141
Solution 12038: Unit to Unit Transfer of an Operating System (OS) on the TI-83 Plus Family of Graphing Calculators.
...nother, refer to the steps below: On the Sending calculator, follow the instructions below: 1) Connect the data cable (the small round I/O cable) between both calculators. 2) Press [2nd], [LINK] and then scroll down the menu list to option G:SendOS. On the Receiving calculator follow the ste...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12038
Solution 11181: Creating a Backup of the Files on a Graphing Calculator Using TI Connect™.
...ompletely pushed into the Calculator and is a tight fit. If it is not completely pushed in the computer will not detect it.2) Start the TI Connect software and click Backup.3) Click on yellow folder with the green arrow to name the backup file. 4) Click save to keep the file name. 5) Press OK to ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11181
Solution 12218: Median-Median Line Algorithm on TI Graphing Calculators.
...The median-median line will be parallel to the line going through the points (x1, y1) and (x3, y3) a = (y3 - y1) / (x3 - x1) and 1/3 the distance between the line through the two summary points and a parallel line going through the second summary point (x2, y2). b = (y1 + y2 + y3 - a (x1 + x2 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12218
Solution 11694: Algorithm Used for Calculating the Inverse of a Matrix on a Texas Instruments Graphing Calculator.
...ators use a LU (Lower-Upper) decomposition or factorization algorithm when calculating the inverse of a matrix (reference "Numerical Methods and Software" by Kahaner, Moler, and Nash).If A is a square matrix and is the product of a lower triangular matrix (named L), and an upper triangular ma...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11694
Solution 13925: Re-Enabling TI-84 Plus Family of Graphing Calculator Apps That Have Been Disabled With TI TestGuard™ 2.0.
... for an exam there are 2 options: Option 1: Connect the calculator to another student’s calculator with a unit-to unit cable and transfer any file between them. To transfer a file unit to unit: 1) On the receiving unit, press [2nd] [LINK] and then select RECEIVE. 2) On the sending calculator: ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13925
Solution 13924: TI TestGuard 2.0™Quick Start Instructions.
...ey and select the "TestGrd2" app. • Select 1: Setup Calcs. • Either choose DELETE, then choose ALL, or consider using DISABLE, then BOTH. Note: These two options are basically the same for the purposes of student equity within an exam. The advantage of Disable is that students with TI-84 Plus cal...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13924
Solution 11517: Updating a TI Graphing Calculator Operating System Using TI Connect™ for Windows®.
... and use the steps in Solution 21390. An Alternative method to update the OS if the steps above do not work is listed below: • Launch TI-Connect Software using the shortcut on your desktop. • In TI-Connect click on the [TI Device Explorer]. • A "Select TI Device" window may appear if it does se...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.
...oad the Datamate application for the TI-89 family or the TI-92/Voyage™ 200 and save it to the computer. • Delete any previously installed DataMate software on the calculator. • Confirm that the TI Connect™ software is installed on the computer. If not, visit education.ti.com/ticonnect to get a co...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11425
Solution 11362: Using the TI TestGuard™ Application to Clear the RAM and Archive Memory on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...s from a student's calculator? The TI TestGuard App is a tool that teachers can use to gain more control over what data, programs, and Calculator Software Applications (Apps) are on students' TI graphing calculators during class time and tests. The TI TestGuard App deletes programs, lists, appl...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11362