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Solution 34692: Using the Statistics Wizard on the TI-84 Plus Family of Graphing Calculators.

...g the information more intuitive. To enable and disable the wizard format by going to [Mode] and change the option for Stat Wizard: ON or OFF. To access any of the statistics commands, press [Stat] then [→] to CALC and then select a statistics command and the screen will show a wizard similar ...
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Solution 34674: Maximizing a Linear Function with the Inequality Graphing Application on the TI-84 Plus CE and TI-84 Plus C Silver Edition.

...t 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 up the graphing window. • Input...
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Solution 40237: TI-30XII Solar and TI-30XII Battery displays Domain Error when Entering Certain Fractional Exponents.

...Solar and TI-30XII Battery displays Domain Error when Entering Certain Fractional Exponents? The caret key has limitations for the functions it will accept for Y^X. If the below condition is met it will give a domain error: Y<0, X<1, and 1/X is not an integer For example the problems below will r...
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Solution 12297: Squaring Negative Numbers on Texas Instruments Scientific and Elementary Calculators.

...e necessary to define the order of operations within an expression. For example, the calculator reads the expression -32 as (-1) x 32, and evaluates accordingly. The parentheses will assign the negative symbol to the value to be squared. Please follow these steps for squaring negative numbers usi...
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Solution 34618: Using the Sum Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...g calculators? The sum function is used to find the sum of the elements in a list. The syntax is sum(list[,start, end]). The optional arguments and accompanying commas are enclosed in brackets. If included, it returns the sum of the elements of the list from start to end. Example: Find the sum ...
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Solution 34611: Computing One Way Analysis of Variance (ANOVA) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...restore default lists 2) Press [stat] [4] [2nd] [1] [,] [2nd] [2] [,] [2nd] [3] [enter] to delete the data in all three lists 3) Press [stat] [1] to access the STAT list editor 4) Enter data in L1 by pressing 264.3 [enter] 258.6 [enter] 266.4 [enter] 256.5 [enter] 182.7 [enter] 181 [enter] 177.6 ...
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Solution 34603: Finding the X-Intercept of a Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...epts of a function, the zero command must be used. Follow the example below for help with using the zero command. Example: 2X - 7 1) Press [Y=] to access the Y= Editor. 2) Press [Clear] then [2] [X,T,θ,n] [-] [7] 3) Press [zoom] then [5] to graph the function and select standard viewing window...
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Solution 34602: Graphing a Step Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...sing the int( command. The example below will demonstrate how to graph a step function. Example: Graph the greatest integer of Y=X 1) Press [Y=] to access the Y Editor 2) Press [math] then [→] to select the NUM menu 3) Press [5] to select 5:int( 4) Press [X,T,θ,n] to input the X variable t...
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Solution 34597: Shortcuts for Working with Menus on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...ATALOG, pressing the [APPS] key will jump the user to the "B" section of the CATALOG. • Use the number keys printed in front of certain functions to access them quickly rather than scrolling down to the function, highlighting it, and pressing [ENTER]. For example, try accessing the convert to fra...
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Solution 10696: Replacing The Battery in a TI-36X II .

...y internal parts.3) Remove battery, using a small Phillips screwdriver if necessary; replace the old battery with the new battery. Install battery according to polarity (+ and -) diagrams.Caution: Avoid contact with other TI-36X II components while changing the battery.If necessary, press ON a...
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Solution 34731: Using the Mean() Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

.... If a freqlist is not specified in the mean() function, the default value for freqlist is 1. Each freqlist element counts the number of consecutive occurrences of the corresponding element in the list. Refer to the examples provided below. Example: Find the mean of {1,2,3,4} 1) From the main sc...
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Solution 10702: Unexpected Results When Sin(Pi) Does Not Return Zero on the TI-68.

...alculating p radians is an approximation of zero. When solving trigonometric functions, very sophisticated algorithms are used to calculate the most accurate answer possible. With this in mind, plus the fact that it uses a 13-digit approximation of the irrational number p, the TI-68 is calculati...
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Solution 34733: Performing Degrees, Minutes, Seconds (DMS) Conversions on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

... [MODE], scrolling to DEGREE and pressing [ENTER]. Press [2nd] [MODE] to QUIT and return to the home screen. • Input 15.375. • Press [2nd] [APPS] to access the ANGLE menu, then press the [4] key to select the ►DMS function (convert to degrees, minutes, seconds). • Press [ENTER] to complete t...
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Solution 12288: Inverse Function on the TI-34 II Explorer Plus™.

...rer Plus? On the TI-34 II Explorer Plus calculator, the [x-1] key is used to calculate the inverse (or reciprocal) of a value. The [x-1] function is accessed by pressing [2nd] [EE]. Please refer to the example provided below. Example: Find the inverse of 3. 1) Press [3] [2nd] [EE] [=].The display...
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Solution 12301: Green Letter Key Labels Represent Physical Constants on the TI-36X Solar Scientific Calculator.

...cal constants) on the TI-36X Solar used? The green letters on the TI-36X Solar indicate the value of a physical constant. The physical constants are accessed using the [CONST] key. For example, to display the constant for the speed of light (c), press [3rd] [CONST] [c]. The screen will show 29979...
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Solution 34834: Typing Text Labels on Graph Screens on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...on writes text on graphs beginning at pixel (row, column), where 0£ row £57 and 0£ column £94. The function is located in the DRAW menu which can be accessed by pressing [2ND] [PRGM]. The syntax for the text() function is: text(row, column, text1, text2,…) Please refer to the example provided b...
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Solution 34814: Correcting a Data Type Error when Attaching a Distribution Formula to a List on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...nto the L1 list. L2=normalcdf( -1E99, 200, L1*.9, L1*.9*.1) Some of the distribution functions, such as Normalpdf and Normalcdf, are not designed to accept lists as valid parameters. These two functions are designed to only accept floating numbers or integers. The same issue can easily be recrea...
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Solution 34592: Calculating Logs of Bases Other Than 10 on the TI-84 Plus Family of Graphing Calculators.

...n the TI-84 Plus family of graphing calculators. Please Note: The TI-84 Plus and TI-84 Plus Silver Edition require Operating System (OS) v 2.55MP to access the logbase function below. To verify what OS is installed press [2nd] followed by [+] then in the menu that appears select [1:About]. If you...
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Solution 34797: Unit to Unit Transfer of an Operating System (OS) on the TI-84 Plus Family of Graphing Calculators.

...to transfer the OS from one TI-84 Plus family of graphing calculator to another, refer to the steps below: Please Note: Transfer of the OS can only occur between the calculator models below:  TI-84 Plus to a TI-84 Plus TI-84 Plus to a TI-84 Plus Silver Edition TI-84 Plus Silver Edition to a TI-8...
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Solution 34779: Correcting a Domain Error When Calculating a 1-Prop Z-Interval on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...or on the TI-83 Plus and TI-84 Plus family of graphing calculators? When calculating a 1-Prop Z Interval and the number of trials and the number of successes are given, it is important to input the trials in n and the number of successes in x. If this done incorrectly, the calculator will display...
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Solution 33391: Using Hyperbolic Functions on the TI-36X Pro.

...ch How do I use the hyperbolic functions on the TI-36X Pro? By pressing the Trigonometry keys (sin,cos,tan) repeatedly, you will be able to access the corresponding hyperbolic or inverse hyperbolic functions. Angle modes do not affect hyperbolic calculations. • Press [sin/sin-1] 3 times ...
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Solution 34777: Graphing a Non-Recursive Sequence on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...ess [ENTER] to change to SEQ mode. • Press [CLEAR] to return to the home screen. Example: Graph the sequence function u(n)=2n+1. • Press [Y=] to access the Y= editor. • Press the up arrow key then press [1] [ENTER] to set the nMin value equal to 1. NOTE: nMin is smallest value of n the seque...
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Solution 12276: Calculating Factorials on the TI-30X IIS, TI-30X IIB, or the TI-34 II Explorer Plus.

...4 II Explorer Plus: 1) Input the value for which the factorial will be taken. 2) Press the [PRB] key and press the right arrow key twice [®] [®] to access the "!" function. 3) Press [ENTER] to select the function, then press [ENTER] again to display the result. Please see the Scientific Model fa...
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Solution 12290: Performing One-Variable Statistics on the TI-30X IIS/B, TI-30XS MultiView™ and TI-34 II Explorer Plus™ Calculators.

...he TI-30X IIS/B and TI-34 II Explorer Plus calculators. Data to use for this example: x = {71, 64, 55, 7,  98} To Solve: 1) Press [2ND] [DATA] to access the STAT menu. With the cursor (underline) below 1-VAR, press [ENTER]. The calculator is now in STAT mode. 2) Press [DATA] and begin to enter...
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Solution 12162: Symbolic Derivative Example Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...syntax for d() is below:d(expression,variable[,order])Returns the first derivative of expression with respect to variable. The optional argument and accompanying comma are enclosed in brackets. If included, order must be an integer. If the order is less than zero, the result will be an anti-deriv...
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