Solution 12660: Equations Used to Calculate Linear Regressions on TI Graphing Calculators.
...alculators? Typically, math classes use the form ax+b or mx+b (this ties into how polynomials are presented: ax2+bx+c). However, statistics classes often use the form a+bx. The TI-81 and the TI-85 use the form typically used in statistics classes, a+bx. The TI-80, TI-82, TI-83 Plus Family, TI-...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12660
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 a...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/37041
Solution 11138: Installing and Removing Faceplates on the TI-84 Plus Silver Edition and TI-84 Plus C Silver Edition.
...tomize the appearance of the calculator. The steps for removing and installing these faceplates have been provided below. Removing a Faceplate: • Lift the tab at the bottom edge of the faceplate away from the TI-84 Plus Silver Edition or TI-84 Plus C Silver Edition case. • Carefully lift the f...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11138
Solution 12185: Algorithm Used by TI Graphing Calculators for Computing Quartiles.
...easurements. Here, the TI calculators calculate the 1st Quartile as (32+38)/2 = 35, instead of the "exact" position (33.5) used in some statistical software packages.Various methods can be used to compute quartiles. TI calculators use a method taught most often at the high school level.For any fu...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12185
Solution 11181: Creating a Backup of the Files on a Graphing Calculator Using TI Connect™.
...completely 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 11720: Calculating Y-Hat Values on the TI-83 Plus Family of Graphing Calculators.
... Knowledge Base Knowledge Base Search How do I calculate y-hat values on the TI-83 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 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11720
Solution 12218: Median-Median Line Algorithm on TI Graphing Calculators.
...rts without breaking up data groups of equal x values. In this case, the algorithm we use is designed to include at least 1/3 of the points in the left and right groups. Whatever is left over is then put into the center group, hopefully the remaining 1/3. The approach chosen was to fill the outs...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12218
Solution 11933: Calculating Two-Variable Statistics on the TI-83 Plus Family of Graphing Calculators.
...3,5,8,10} L2: {7,2,3,1} 1) Press [STAT] [1] to access the STAT list edirtor. 2) Enter the data in the L1 and L2 lists, making sure to press [ENTER] after each entry. 3) Press [2nd] [MODE] to QUIT and return to the home screen. Calculating the two-variable statistics: 1) Press [STAT], arrow righ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11933
Solution 11700: Calculating Permutations and Combinations Using the TI-83 Family, TI-84 Plus Family, and TI-Nspire™ Handheld in TI-84 Plus Mode.
... in TI-84 Plus mode. Example: How many possible permutations of 2 cards can be chosen from a deck of 5 cards? 1) Input 5. 2) Press [MATH], arrow left to highlight PRB, then press [2] to select the nPr function. 3) Input 2 and press [ENTER]. There are 20 possible permutations of choosing 2 ca...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11700
Solution 11694: Algorithm Used for Calculating the Inverse of a Matrix on a Texas Instruments Graphing Calculator.
...lators 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 m...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11694
Solution 11693: Algorithm for Solving Trigonometric Functions (Sine, Cosine and Tangent) on Texas Instruments' Graphing Calculators.
...ody(ref 5). The CORDIC algorithm is a super example of an approach that is quite different from traditional math and which is very efficient. One often sees a very specialized problem solution like this in many areas of engineering and science, which makes exposure to ideas of this type valu...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11693
Solution 11582: Finding the Zero of a Function on the TI-83 Plus and TI-84 Plus.
...ro of the function: y = 2X + 4 Solution: 1) Press [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 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11582
Solution 11521: Installing New TI Key Fonts on a Windows® Computer.
...to open the run dialog. Alternatively you can click [Start] and then [Run].• In the run dialog copy and paste the text listed below:%WINDIR%\Fonts • After copying and pasting the above text click [Ok] to launch the fonts folder. • Drag and drop the font you downloaded/extracted into the font fold...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11521
Solution 11517: Updating a TI Graphing Calculator Operating System Using TI Connect™ for Windows®.
...the latest OS files for the TI-83 Plus family, TI-89, TI-92 Plus, contact TI-Cares. TI-73 Explorer TI-84 Plus family TI-89 Titanium Voyage 200 • After downloading the OS file using the links above [Right-Click] the OS file and underneath "Open" in the Right-Click menu you should see the optio...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11517
Solution 11773: Implied Multiplication Versus Explicit Multiplication on TI Graphing Calculators.
...tten. For example, the TI-80, TI-81, TI-82, and TI-85 evaluate 1/2X as 1/(2*X), while other products may evaluate the same expression as 1/2*X from left to right. Without this feature, it would be necessary to group 2X in parentheses, something that is typically not done when writing the expressi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11773
Solution 11425: Sending the DataMate™ App or Program to a Graphing Calculator.
...load 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 c...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11425
Solution 11767: Graphing an Ellipse on a Texas Instruments Graphing Calculator.
... The equation for an ellipse with its center at point (h,k) is, ((x-h)2/a2)+((y-k)2/b2)=1 2) With substitution, ((x-5)2/12)+((y-6)2/12)=1 3) After solving for y, the results are: y = -(-x2+10x-24)+6 and y = (-x2+10x-24)+6 4) The equations can now be entered into the Y= Editor to d...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11767
Solution 11366:Maximizing a Linear Function with the Inequality Graphing Application on the TI-83 Plus and TI-84 Plus.
... ≤. • Move the cursor to the right of the relation symbol. • Input 10-X. • Enter the relations for Y2 and Y3. • Move the cursor to X= (in the top left corner). • Press [ENTER] to access the X=Editor. • Press [ALPHA][F5] to select ≥. • Input 0 to store the value to X1. • Press [WINDOW] to set ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11366
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.
...ns 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, app...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11362
Solution 11576: Algorithm Used for Calculating the Sine Regression On the TI-86, TI-83 Family, or TI-84 Plus Family.
...will necessitate the user entering a larger number if full convergence is desired. During the design of this algorithm, it was felt that users would often prefer to quickly receive a less accurate answer than to wait for full algorithm convergence. If full convergence is desired, enter 16 for the...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11576
Solution 34420: Performing T-Test Computations Using the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...9, 31} Entering the data: 1) Press [STAT] [1] to access the STAT List Editor. 2) Input the example data into the L1 list, pressing the [ENTER] key after each entry. 3) Press [2nd] [MODE] to QUIT the STAT List Editor and return to the home screen. Computing the T-Test: 1) Press [STAT] and scr...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34420
Solution 36983: Problems when sending invalid files accompanied with valid files at one time in TI-Connect CE™ on Windows®.
... time in TI-Connect CE™ on Windows®. website Home | Computer Software, iPad and Chrome Apps Knowledge Base Knowledge Base Search What problems will I have when sending invalid files a...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/36983
Solution 11758: Functionality of the Function Keys [F1 - F5] on the TI-83 Family, TI-89 Family, TI-92 Family and Voyage™ 200.
... serve on my graphing calculator and how are they used? The function keys [F1 - F5] are used to access certain menus and commands. Some calculator software applications (apps) will display "softkeys" on the screen that will correspond to these function keys. Also, keep in mind that on some graph...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11758
Solution 30651: Calculating a Median-Median Regression on the TI-83 Plus Family of Graphing Calculators.
...2; 73} Key the data into the handheld: 1) Enter STAT edit mode by pressing [STAT], [1]. 2) Enter the data in the L1 and L2 lists, pressing [ENTER] after each entry. 3) Press [2nd] [QUIT] to leave the editor. To calculate the Med-Med line, please follow the steps below:1) Press [STAT] then th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/30651
Solution 30190: Using The Significant Numbers Calculator From The Science Tools App on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...termines which digits (known as significant digits or significant figures) should be included when you report measurement results. However, you will often encounter measurement values reported with arbitrary precision. The Sig-Fig Calculator tool lets you: Display the significant figures of...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/30190