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Solution 34800: Cause of the "Error: Data Type" Message When Using the Normalcdf Command on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

... For example, inputting normalcdf(-1E99,200,L1*.9,L1*.9*.1) will return the Data Type error. Some of the distribution functions are not designed to accept list as a valid parameter. Normalpdf() and normalcdf() are two of those. They are designed to accept floating number or integer only. This is ...
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Solution 34513: Creating Strings on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...nowledge Base Search How can I create a string variable on the TI-83 Plus and TI-84 Plus family of graphing calculators? A string is a sequence of characters enclosed within quotation marks. Characters are the units combined to form a string. Each number, letter, and space is one charact...
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Solution 34506: Calculating and Graphing a Linear Regression on the TI-84 Plus family of graphing calculators.

... in the catalog press [ALPHA] [D] to go down to the "D's". Scroll down through the list and select the instruction DiagnosticOn, and press [ENTER] twice and the display should show DONE. In order to graph the data: • Press [2ND] [STAT PLOT] to enter the stat plot menu. • Press [1] to enter plot...
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Solution 12015: Algorithm Used to Calculate Xscl When Plotting a Histogram on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...Plus and TI-84 Plus family of graphing calculators? When using the TI-83 Plus and TI-84 Plus family 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 examp...
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Solution 34505: Purpose of the GarbageCollect Function on the TI-84 Plus C Silver Edition Graphing Calculator.

...s the remaining variables into consecutive blocks. When a variable is unarchived, the amount of free Archive memory increases immediately, but the space is not actually available until after the next garbage collection. To use the GarbageCollect function, follow the steps below: • Press [2ND] [CA...
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Solution 34498: Causes of a Singular Matrix Error on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

... inverse, shown below, of Matrix A. This results in the Singular Matrix error. This error also occurs if a calculation (typically a regression) produces a singular matrix. For more information on the algorithm used for calculating the Sine Regression please see Solution 11576: Algorithm Used f...
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Solution 12006: Using the Numeric Solver on the TI-84 Plus and TI-83 Plus.

...[ENTER] The cursor will be blinking next to X= 4) Press [ALPHA] [ENTER] to solve 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. Thi...
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Solution 34651: Graphing Histograms on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...: {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 list editor 3) Press [↑] [clear] [enter] to clear L1 4) Press 2 [enter] 4 [enter] 6 [enter] 8 [enter] to enter the values in L1 5) Pr...
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Solution 34497: Creating and Viewing a Residual List on the TI-84 Plus family of graphing calculators.

...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 a residual. When reg...
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Solution 34652: Calculating Factorials (!) Using the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

... • Press [ENTER] to display the answer of 720. NOTES: • The factorial is computed recursively using the relationship (n+1)! = n*n! until n is reduced to either 0 or -1/2. At that point, the definition 0!=1 or the definition (-1/2)!= Öp is used to complete the calculation. • ! (factorial) ret...
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Solution 11986: Sharing StudyCards™ Stacks Using a TI-83 Plus Family or TI-84 Plus Family Graphing Calculator.

...3 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 [X,T,q,n] key for LINK. • Press the [®] right arrow key to highlight the RECEIVE option.• On the sendin...
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Solution 34653: Performing String Operations on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...e steps below: • Enter string1, which can be a string or string name • Press the [+] key • Enter string2, which can be a string or string name. If necessary, press the [+] key and enter string3, and so on. string1+string2+string3... • Press [ENTER] 2. Converting an equation to a string. The...
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Solution 11985: Transferring Data Between the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...: 1) Connect the two calculators using the unit-to-unit (I/O) cable or mini A to mini B USB cable. On the sending unit: 2) Press [2nd] [X,T,q,n] to access the LINK menu. 3) Select 4:List which will display all the lists stored in the calculator's memory. 4) Using the arrow keys, move the cursor n...
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Solution 34654: Graphing a Polar Rose on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

... calculator to Radian mode. 3) Press  [↓] [→] [→] to highlight Polar mode and press [enter] Example: Graph the function 8sin(2.5q) 1) Press [Y=] to access the Y= editor. 2) Press [8] [sin] [2] [.] [5]  [X,T,q,n] [ ) ] 3) Press [window] to access the graph WINDOW settings. 4) Press [↓] to edit to ...
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Solution 34427: Setting the Table Modes on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...lues for the independent variable will be displayed automatically. To generate a value for a dependent variable, move the cursor to the corresponding cell in the dependent variable and press [ENTER]. 4) Indpnt: Ask and Depend: Ask The table will be empty. Enter values for the independent variabl...
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Solution 34500: TI TestGuard™ Application for the TI-84 Plus and TI-84 Plus C Silver Edition Validation Feature Information.

... TI Validation feature checks the integrity of the software to ensure it still has TI authentic software (not corrupted software or from a non-TI source). Why is TI authentic software important?a. The reason to care that you have TI authentic software is the knowledge that you have confidence...
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Solution 34774: Using Boolean Logic on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...raphing to control the graph of the function over specific values. Values are interpreted as Zero (false) or nonzero (true). The Logic menu can be accessed by pressing [2ND] [TEST] [►]. LOGIC • and Both values are nonzero (true). • or at least one value is nonzero (true). • xor only one valu...
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Solution 34771: Calculating Sine, Cosine, and Tangent on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

... [0]. 2) Press [)] [ENTER]. For Example: Calculate the tangent of 26.57°. 1) Press [TAN] [2] [6] [.] [5] [7]. 2) Press [)] [ENTER]. Please Note: Since the calculator's angle setting is set to Degree, there's no need to input the degree symbol ( ° ) behind the value. Please see the TI-83 Plus an...
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Solution 34756: Deleting Calculator Software Applications (Apps) From the Flash ROM on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...n 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 select A: Apps • Use the [Up Arrow] or [Do...
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Solution 11949: Creating Images for the Start-Up Customization Application on the TI-83 Plus and TI-84 Plus.

...graphics can be stored at a time on the calculator). Drawing a picture directly on the calculator: 1) Press [2ND] [DRAW]. 2) Press [↑] [ENTER] to access A: Pen. 3) If the axis is not desired to be shown, press [2ND] [FORMAT] [↓] [↓] [↓] [→] [ENTER].  Repeat first two steps. 4) Place the cursor ...
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Solution 34754: Calculating nth Powers and nth Roots on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...(-)] key is called the negate key and is located below [3]. • Press [2] [ ) ]. • Press [^] [2]. • Press [ENTER] to complete the calculation. NOTE: Since the handheld evaluates the negate symbol as multiplying the value by (-1), and exponents come before multiplication using the Order of Operation...
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Solution 34717: Graphing Angle Measures on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...g window settings to the default values.3) Press [ZOOM] [5] to select ZSquare (Zoom Square). This will "square up" the graphing window values and reduce distortion.4) Press [Y=] to enter the Y= editor.5) Enter the following for X1T and Y1T. These equations will define the "base line" to enter "T"...
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Solution 13322: Using the RandInt() Function on the TI-84 Plus and TI-83 Plus.

...dge Base Knowledge Base Search How do you use the randInt() function on the TI-84 Plus and TI-83 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 ran...
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Solution 34673: Graphing Sine, Cosine, and Tangent Functions on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...g examples will demonstrate how to graph sine, cosine and tangent functions on the TI-83 Plus and TI-84 Plus family of graphing calculators. Each device has the ability to graph trigonometric function in either degrees or radians. Please Note: The example functions below use Radian mode. Radian m...
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Solution 34753: Calculating Present Value (PV) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

... Present Value of a savings account with an annual interest rate of 5% with $13,266.49 at the end of 20 years? • Press [APPS] [1] to select the "Finance" application. • Press [ENTER] to select the "TVM Solver...". • Press [2] [0] [ENTER] to store 20 to N. • Press [5] [ENTER] to store 5 to I%. • P...
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