Solution 12015: Algorithm Used to Calculate Xscl When Plotting a Histogram on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...of graphing calculators, the Xscl option can be accessed by pressing [WINDOW]. Xscl is calculated using the following formula: (Xmax - Xmin) / N where: N = INT(1 + log(dim) / log(2)) For example, if plotting a histogram using the following list: {1,2,3,4,5,6,7,8,9,10} Xmax = 10 Xmin = 1 dim...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12015
Solution 12009: Calculating Variance on the TI-83 Plus Family of Graphing Calculators.
...on Sx when calculating the variance (Sx2). To find the variance using the population standard deviation, take the value of sx and raise it to the power of 2 (sx2). Please Note: The sx variable will not have a value stored to it unless a 1-Var or 2-Var Stats analysis is performed first. Without a...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12009
Solution 34651: Graphing Histograms on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ng calculators? The following example will demonstrate how to graph a histogram. Data for this example: xStat: {2,4,6,8} frequency: {7,8,4,9} Enter the data: 1) Press [stat] [5] [enter] to run the 5:SetupEditor command which will restore default lists 2) Press [stat] [1] to access the STAT ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34651
Solution 34497: Creating and Viewing a Residual List on the TI-84 Plus family of graphing calculators.
... view a residual list on the 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...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34497
Solution 11986: Sharing StudyCards™ Stacks Using a TI-83 Plus Family or TI-84 Plus Family Graphing Calculator.
...ators and students as a study tool for quizzes or test reviews. To send StudyCards stacks from one TI-83 Plus or TI-84 Plus family calculator to another, follow the steps below:• Connect both graphing calculators using the unit-to-unit cable.• On the receiving unit, press the [2nd] key, then the ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11986
Solution 34654: Graphing a Polar Rose on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...e: Please Note: For this example, the graph mode setting will need to be changed to Polar graphing. To do this: 1) Press [mode] 2) Press [↓] [↓] [enter] to set the calculator to Radian mode. 3) Press [↓] [→] [→] to highlight Polar mode and press [enter] Example: Graph the function 8sin(2.5q) 1)...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34654
Solution 34793: Calculating the GCD() (Greatest Common Divisor) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...amily 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. If list and value are specified, gcd( finds the g...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34793
Solution 11966: Graphing Inequalities on the TI-83 Plus and TI-84 Plus.
...ledge Base Search How do I graph inequalities on the TI-83 Plus and TI-84 Plus? The Y= Editor does not allow an inequality to be directly entered into the calculator. However, the graph styles feature can be utilized to show the solution set for an inequality. The example below will demo...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11966
Solution 34771: Calculating Sine, Cosine, and Tangent on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...calculator's angle setting will need to be changed. 1) Press [MODE] key. 2) Scroll down to "RADIAN", scroll right to highlight "DEGREE" and press [ENTER]. This will change the calculator's angle setting to Degree mode. 3) Press [CLEAR] to return to the home screen. For Example: Calculate the sin...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34771
Solution 34851: Finding Days Between Dates on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... How can I find the days between dates using the Finance App on the TI-83 Plus and TI-84 Plus family of graphing calculators? To calculate the number of days between two dates using the actual-day-count method, use the date function dbd( ) or "days between dates". date1 and date2 can be number...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34851
Solution 34756: Deleting Calculator Software Applications (Apps) From the Flash ROM on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...(Apps) be deleted from the Flash ROM on the TI-83 Plus and TI-84 Plus family of graphing calculators? To remove an App from the Flash ROM, please refer to the following instructions. • Access the memory management screen by pressing in sequence [2nd] [+] [2] • Press [alpha] then [math] to selec...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34756
Solution 34856: Computing Future Value on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ow to calculate future value on the TI-83 Plus and TI-84 Plus family of graphing calculators. Example: A savings account with $5,000 is earning 5% interest annually at the end of the year. What is the Future Value of the account after 20 years? To Solve: • Press [APPS] [ENTER] [ENTER]. • Press [2...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34856
Solution 34717: Graphing Angle Measures on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... is the dependent variable. Follow the steps below to graph an angle measure: 1) Press [mode] then [↓] [↓] [↓] [→] to select PARAMETRIC and press [enter]. This will change the handheld's graphing mode to parametric. 2) Press [ZOOM] [6] to select ZStandard (Zoom Standard). This will set the handh...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34717
Solution 12032: Making Graphics Appear In the Start-Up Customization App on the TI-83 Plus and TI-84 Plus.
... Knowledge Base Search How can you make a graph or image appear in the Start-Up Customization App on the TI-83 Plus and TI-84 Plus? In order to make a newly created graphic appear at start-up: • Press the [APPS] key on the calculator, and scroll down (or up) to Start-Up and then pres...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12032
Solution 34713: Finding the Reduced Row Echelon Form of a Matrix on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...n on the home screen with the name of the matrix. The example below will demonstrate this procedure. For Example: Find the rref() of matrix A To enter the matrix: 1) Press [2nd] then [x-1] to access the Matrix menu 2) Press [→] [→] to access EDIT, then press [enter] to edit matrix A 3) Input t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34713
Solution 13322: Using the RandInt() Function on the TI-84 Plus and TI-83 Plus.
... Plus? Please Note: It is necessary to set the seed value, if you have not previously, by following the steps in KB#34503. The randInt() function generates and displays a random integer within a range specified by lower and upper integer bounds for a specified number of trials. The syntax for th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13322
Solution 34712: Graphing a Polar Equation on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... How can I graph an equation in polar mode on the TI-83 Plus and TI-84 Plus family of graphing calculators? Polar equations can be graphed in either Radian or Degree mode. Follow the steps below to graph the equation r=1-sinq Example : 1) Press [mode] [↓] [↓] [enter]. 2) Press [↓] [→] [→] [en...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34712
Solution 12981: Connecting the TI ViewScreen™ Panel to a Calculator.
...e Search What is the best way to connect the TI ViewScreen panel to a calculator? To Connect the ViewScreen:1. Place the ViewScreen on the overhead projector, curved away from the projection screen.2. Holding the cable against the vertical arm of the overhead projector, wrap the tether a...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12981
Solution 37375: Steps to follow to update the TI-84 Plus CE to the Latest Calculator OS and Apps.
...re the best steps to follow to 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 Pl...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/37375
Solution 12660: Equations Used to Calculate Linear Regressions on TI Graphing Calculators.
...essions on TI graphing calculators? 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...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12660
Solution 37363: TI-84 Plus CE TestGuard App when Connected to a Student Device does not Display Confirmation Code when RAM is Full.
...nowledge Base Knowledge Base Search Is the TI-84 Plus CE TestGuard App Available? The TI-84 Plus CE TestGuard App is no longer available and has been discontinued. We recommend instead you use the Press-to-Test functionality to setup calculators for testing. Solution ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/37363
Solution 12208: Calculating Covariance on TI Graphing Calculators.
... stored in the X and Y lists is given by [sum(x's - mean of x)(y's - mean of y)]/(n-1). The correlation coefficient is given by Covariance/(Sx*Sy), where Sx and Sy are standard deviations for x and y values respectively. TI calculators, graphing or scientific, do not have to ability to calculat...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12208
Solution 37041: Taking screenshots from the TI-84 Plus family of calculators and saving them as image files using TI Connect CE™
...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 appears in the Content Panel. Select the Scre...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/37041
Solution 12187: Blocking or Disabling Texas Instruments Graphing Calculators Communications Capabilities.
...ck or disable a graphing calculator's communications with a program or application? While Texas Instruments graphing calculators have the ability to perform many wonderful tasks, there is no way to block or disable the communications port through the calculator's normal functionality. However, th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12187
Solution 12185: Algorithm Used by TI Graphing Calculators for Computing Quartiles.
...wledge Base Search What method do TI graphing calculators use for computing quartiles? TI graphing calculators compute quartiles by simply averaging the values of adjacent ordered measurements.Consider this example using the data {14, 29, 32, 38, 41, 45, 68, 71, 74, 83, 86, 87}. TI calcu...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12185