Solution 12208: Calculating Covariance on TI Graphing Calculators.
... 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 lists is giv...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.
...tor: TI-84 Plus TI-84 Plus Silver Edition TI-84 Plus CE 2) Open the TI Connect CE Software. 3) Connect your calculator to the computer’s USB port; turn the calculator on, by pressing the [ON] button; and make sure the calculator appears in the Content Panel. 4) Before you begin an OS transfer...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/37042
Solution 37041: Taking screenshots from the TI-84 Plus family of calculators and saving them as image files using TI Connect CE™
... How can I take screenshots from the TI-84 Plus family of graphing calculators and save them as image files using TI Connect CE™? In the Screen 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 Sof...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/37041
Solution 37038: Backup and restore TI-84 Plus family graphing calculator files to a computer using TI Connect CE™ software.
...y the USB cable is completely pushed into the calculator and is a tight fit. If it is not completely pushed in the computer will not detect it. Then, turn the calculator on by pressing the [ON] button. 3) Select the TI Connect CE “Calculator Explorer” workspace from the workspace panel on the lef...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/37038
Solution 17649: Using the GetCalc( Command on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...etCalc( command is used to copy the contents of a variable (such as a real or complex number, list, matrix, string, Y= variable, graph database 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 ...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.
... 87}. TI calculators use the formula .25(n+1) to calculate the position of the lower quartile. In this 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. ...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.
...e 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 OFF (by removing one battery).• Re-insert the battery and turn calculator ON (by pressing [ON]).• Plug the USB cable into the c...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11141
Solution 11720: Calculating Y-Hat Values on the TI-83 Plus Family of Graphing Calculators.
...egression equation would predict for any x-value from the data set. This corresponding y-value is denoted y-hat. Y-hat values are calculated by substituting the x-values from the data set into the regression equation. To calculate y-hat values for a data set follow the example below: Data for thi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11720
Solution 15143: Storing a Function to a List on the TI-83 Plus Family of Graphing Calculators.
... and press [ENTER]. • Press [ALPHA] [A] [x] [X,T,O,N] [,] [X,T,O,n] [,] [1] [,] [5] [)] [ALPHA] ["] [STO>] [2nd] [L1]. • Press [ENTER]. Given the setup above, L1 will contain a list {5,10,15,20,25}. If the value of A is changed, for instance storing 2 to A will automatically update the list to ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/15143
Solution 11933: Calculating Two-Variable Statistics on the TI-83 Plus Family of Graphing Calculators.
...s 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 right to highlight the CALC menu and press [2] to select ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11933
Solution 11709: Calculating the Summation of a Sequence Using a TI-83 Family Graphing Calculator.
...is given below:sum(seq(expression,variable,begin,end[,increment]))The expression is evaluated for each value of the variable from begin to end, and returns the sum of the results. The following example demonstrates how to sum up the first n terms in an algebraic sequence.For Example:Evaluate Σ (I...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11709
Solution 15142: Connecting a Vernier Microphone (MCA-CBL) and Other Non Auto-ID Probes to a TI-82, TI-83 Family and TI-84 Plus Family Graphing Calculator and a CBL™ or CBL 2™.
...will need to be manually chosen. Once the Microphone is connected through a CBL or CBL 2 the user needs to enter the data app and choose the proper setup options following the instructions below:• Choose setup from the data apps home screen.• Use the cursor keypad and position the cursor next to ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/15142
Solution 11694: Algorithm Used for Calculating the Inverse of a Matrix on a Texas Instruments Graphing Calculator.
...0] [0,5,-3] [0,0,-1]].Now, let's define another matrix as Y = U * X. So L * Y = Indentity. From here, we can easily solve for Y by using back substitution and find that Y = [[1,0,0] [-2,1,0] [-8,2,1]]. Knowing U and Y, we can now solve for X (which equals A-1) in the equation U * X = Y using ...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.
...lution like this in many areas of engineering and science, which makes exposure to ideas of this type valuable in education, at least for advanced students. CORDIC is an acronym for COrdinate Rotation DIgital Computer and was developed by J.E. Volder in 1959 (ref 6). Additional articles and o...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11693
Solution 11783: Performing Vector Calculations in Polar Form on the TI-83 Plus Family of Graphing Calculators.
...l down to REAL, scroll right to highlight the option for re^θi and press [ENTER]. This will display the solution in Polar form. 5) Press [CLEAR] to return to the home screen. Example: Add 12∠40° + 30∠67°. 1) Input 12 and press [2nd] [LN] to input the ex command. 2) Input 40 and press [2nd] [^] t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11783
Solution 11570: Axes Do Not Appear When Graphing on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ng instructions will demonstrate how to make the x and y axes appear when graphing on the TI-83 Plus and TI-84 Plus family of graphing calculators.To turn the axes on: 1) Press [2nd] [ZOOM] to access the FORMAT menu. 2) Highlight AxesOn 3) Press [ENTER] 4) Try graphing a simple function, such as ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11570
Solution 11774: Inserting TI-83 Family and TI-84 Plus Family Calculators Key Symbol Into a Microsoft® Word Document.
...ries>> System Tools>> Character Map. • Click the arrow in the Font field and select TI83key. • Select the symbol you wish to insert • Click Copy. • Return to Microsoft® Word to the location where the symbol will be interred. • Click Edit>> Paste. Solution 11774: Inserting TI-83 Family and TI-84 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11774
Solution 11517: Updating a TI Graphing Calculator Operating System Using TI Connect™ for Windows®.
...I Connect. • Connect a TI Connectivity cable to the computer and the TI Calculator. Please note: Not all calculators are supported by TI-Connect. • Turn on the TI calculator and make sure it is on the home screen. • Download the latest version of the OS for your TI Calculator by clicking the l...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11517
Solution 11516: Updating a Graphing Calculator's Operating System using the TI Connect™ Software for Macintosh®.
...f TI Connect. • Connect a TI Connectivity cable to the computer and the TI Calculator.Please Note: Not all calculators are supported by TI-Connect. • Turn on the TI calculator and make sure it is on the home screen. • Download the latest version of the OS for your TI Calculator by clicking the li...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11516
Solution 11773: Implied Multiplication Versus Explicit Multiplication on TI Graphing Calculators.
... 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 expression on paper. This order of pr...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11773
Solution 22590: TI-Nspire™ Handheld in TI-84 Plus Mode Not Capable of Connecting to TI-Nspire Computer Link or TI Connect-to-Class™ Teacher Software.
...tware. Using the TI Connect software and TI-Nspire handheld in TI-84 Plus mode, the user can send and receive data, backup the handheld's memory, capture the handheld's screen and display other information such as the handheld's battery life and operating system. However, if the user is looking ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/22590
Solution 11767: Graphing an Ellipse on a Texas Instruments Graphing Calculator.
...ter of the ellipse is at point (5,6). 1) 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 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11767
Solution 11765: Graphing a Hyperbola on a TI Graphing Calculator.
...ered as functions in the y= editor. The generic form of a hyperbola is as follows: x^2/a^2 - y^2/b^2 = 1 Setting a=1 and b =1, then solving for y returns: y= v(x-1) and y= -v(x-1) Please see the TI Graphing family guidebooks for additional information. Users of the TI-83 Plus and TI-84...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11765
Solution 11761: Graphing a Circle on a TI Graphing Calculator.
...he unit circle (x2+y2=1), first, solve for y, and then input the results into the Y= Editor. If the graph looks like an oval, use the Zoom Square feature followed by Zoom In or Zoom Out to change the viewing window. The graphs will be displayed on a TI-83 Plus family or TI-84 Plus family, TI-89 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11761
Solution 11312: Creating a Pie Chart Using the CellSheet™ App on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
..., input A1:D1. Make sure to include the colon. This specifies the title of each piece of the pie. • Next to Series, input A2:D2. This specifies the actual numbers the pieces of the pie represent. • The next choice is for Number or Percent. Number will show the pie chart in actual numbers, such as...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11312