Solution 34655: Using the RandInt() Function on the TI-84 Plus CE and TI-84 Plus C Silver Edition.
... Knowledge Base Search How do you use the randInt() function on the TI-84 Plus CE and TI-84 Plus C Silver Edition? 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 i...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34655
Solution 12746: Connecting the TI-Presenter™ to a ViewScreen™ Calculator.
... Turn on the TV and select the video input mode. Wait 10 seconds to see the TI-Presenter splash screen on the TC. • Adjust the TV contrast, if necessary. • Turn on the calculator. More information on how to troubleshoot a TI-Presenter can be found here. Solution 12746: Connecting the TI-...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12746
Solution 12660: Equations Used to Calculate Linear Regressions on TI Graphing Calculators.
...was being used in the classroom. They found that mapping from the a+bx form to the ax+b form was a burden on their students, especially the introductory level students. NOTE: The TI-Nspire family offers linear regressions using either the mx+b or a+bx equation. Please see the appropriate calcula...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12660
Solution 17649: Using the GetCalc( Command on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...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 calculators using an I/O unit-to-unit cable or mi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/17649
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.
...oot 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 OFF (by removing one battery).• Re-insert the battery and turn calculator ON (by pressing...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.
...9,8,6,2,1,9} 1) Press [STAT] [1] to access the STAT list editor. 2) Input 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 and storing the regression equation: 1) Press [STAT], arrow right to ...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.
...dian-median line? The goal of the median-median line is to: 1) Divide the data into three parts with an equal number of data points 2) Define a summary point for each part 3) Use the three summary points to define the median-median line How TI graphing calculators do this: 1) The calculator wi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12218
Solution 16069: Capturing Calculator Screen Images Using the TI-SmartView™ for the TI-84 Plus Family Software.
...order is automatically added to each image captured, but it can be removed. The number of screen images captured is limited only by the available memory on the computer. Each unsaved screen image is stored in memory until closed in the main TI-SmartView for the TI-84 Plus family software window. ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/16069
Solution 11933: Calculating Two-Variable Statistics on the TI-83 Plus Family of Graphing Calculators.
... {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 right to highligh...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.
...calculator? The sum( and seq( functions can be combined in order to calculate the summation of a range of consecutive terms in a sequence. The necessary syntax is given below:sum(seq(expression,variable,begin,end[,increment]))The expression is evaluated for each value of the variable from begin t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11709
Solution 11693: Algorithm for Solving Trigonometric Functions (Sine, Cosine and Tangent) on Texas Instruments' Graphing Calculators.
...g these polynomials is Hart (ref 4). A thorough treatment of the minor details one has to deal with in implementing the full algorithms for elementary functions (like binary versus decimal number representations and ranging for general arguments) is in Cody(ref 5). The CORDIC algorithm is a ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11693
Solution 13925: Re-Enabling TI-84 Plus Family of Graphing Calculator Apps That Have Been Disabled With TI TestGuard™ 2.0.
... unit, press [2nd] [LINK] and then select RECEIVE. 2) On the sending calculator: 3) Press [2nd] [LINK]. 4) Select a file to send by selecting a category, and then selecting a file. 5) Select TRANSMIT to send the file. -or- Option 2: Send a file to the calculator from a computer with TI Connect™...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.
...rather than deleted. The functionality can be re-enabled once the exam is over. • Set the initial angle to the desired preference. DEGREE is the factory default. • Select the initial setting for Stat Diagnostics, which offers the ability to view the r and r^2 values in statistics. The factory def...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13924
Solution 11783: Performing Vector Calculations in Polar Form on the TI-83 Plus Family of Graphing Calculators.
... the ex command. 2) Input 40 and press [2nd] [^] to input the π symbol. 3) Press the [÷] key 4) Input 180 and press [2nd] [.] to input the i (imaginary i) symbol. 5) Press the [ ) ] key 6) Press the [+] key. Input 30 and press [2nd] [LN] to input the ex command. 7) Input 67 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.
...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 y=x, and the axes should be displayed. Please see the TI-83 Plus and TI-84 Plus Family guidebooks for addit...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11570
Solution 11773: Implied Multiplication Versus Explicit Multiplication on TI Graphing Calculators.
...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 precedence was changed for ...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.
...ect software. 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 l...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/22590
Solution 11759: Graph of the Absolute Value of the Square Root of X Differs on the TI-83 Family, TI-84 Plus C Silver Edition, or TI-84 Plus Family Graphing Calculator and on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... a negative number, the message ERR:NONREAL ANS is displayed. This is because an intermediate answer, the square root of a negative number, is imaginary. If the TI-83 family, TI-84 Plus C Silver Edition, or TI-84 Plus family calculator is set to one of its imaginary modes, the unit will return th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11759
Solution 34420: Performing T-Test Computations Using the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ing 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 scroll to the le...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34420
Solution 30651: Calculating a Median-Median Regression on the TI-83 Plus Family of Graphing Calculators.
...rs? Med-Med (median-median) fits the model equation y=ax+b to the data using the median-median line (resistant line) technique, calculating the summary points x1,y1,x2,y2,x3 and y3. Med-Med displays values for a (Slope) and b (y-intercept). The following example will demonstrate how to calculat...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/30651
Solution 34921: Graphing a Vector on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ress [STO>] [X,T,theta,n] [ENTER] (the Rx value is now stored to the variable X). 5) Press [2nd] [APPS] [8] to access the ANGLE menu and paste the P>Ry( function onto the home screen. 6) Press [5] [,] [3] [0] [ ) ]. 7) Press [STO>] [ALPHA] [1] [ENTER] (the Ry value is now stored to the variable ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34921
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.
...ignificant 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 entered values. Perform mathematical operations us...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/30190
Solution 34893: Disabling the STAT Wizards on the TI-84 Plus Family of Graphing Calculators.
...arch How do I disable the STAT wizards on the TI-84 Plus family of graphing calculators? The STAT wizards prompt the user for all the necessary input for a given statistical calculation which helps reduce syntax errors. Below is a picture of the STAT wizard for the Linear Regression, Lin...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34893
Solution 13344: Calculating lcm() (Least Common Multiple) of Two Arguments on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...lcm(): Example: Find the LCM of 6 and 9. 1) Press [2ND] [MATH] [1], use [↓] to select B:lcm(, then press [ENTER] 2) Press [6] [,] [9] [)] ¾ The entry line should display "lcm(6,9)". 3) Press [ENTER] ¾ The answer of 18 is displayed. Example: Find the LCM of the list {1/3, -14, 16} and the list...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13344
Solution 13326: Using the RandSeed Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...andom-number generator functions rand(), randMat(), randNorm() and randPoly()) to number. If number is = 0, the calculator sets the seeds to the factory for the random-number generator.If number is ¹ 0, it is used to generate two seeds, which are stored in system variables seed1 and seed2. Exampl...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13326