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Solution 36926: TI-84 Plus CE in Complex mode, Negative Bases Raised to Fractional Powers with Odd Denominator Returns Real Result.

... mode, negative bases raised to fractional powers with odd denominator returns real result? Interpretation of complex number expressions at the high school target learning level is seen in computations. This item deals with even an odd denominators for problems such as  (-2)^(b/c). Calculator is...
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Solution 11902: Unexpected Results Received using Trigonometric Functions on TI Graphing Products.

...e on TI graphing calculators. Procedure for the TI-80, TI-81, TI-82, TI-73, TI-73 Explorer™, TI-83 Family and TI-84 Plus family: 1) Press [MODE] 2) Scroll until the cursor is blinking on Degree (Deg on the TI-81)  3) Press [ENTER] 4) Press [CLEAR] to return to the home screen Procedure for t...
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Solution 36918: Use of Custom Named Lists Causes Display Issue While using the Catalog Help Paste Functionality on TI-84 Plus CE.

...s the [+] key to open the catalog help.• Press [2nd] [list] then highlight [8:Week] and press [Enter]• Nothing is pasted and if you press [Graph] to escape the menu the OPS menu is corrupted. • Pressing the [Down Arrow] key repeatedly will restore the menu. This issue should be corrected in a fut...
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Solution 34840: Specifying Infinity in a Calculation on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...ve infinity can be used. Example - To specify positive infinity, input 1E99. To specify negative infinity, input -1E99. The "E" symbol is short for scientific notation and can be accessed by pressing [2nd] [EE]. -1E99 can be interpreted as "negative one times 10 to the ninety-ninth power". Ple...
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Solution 36916: TI-84 Plus CE Transformation Graphing App Animated Graph Display Appears Right-Left Graphing.

...-left graphing because the Transformation graphing animated graph display “Play” and “Play-Fast” display an animation of a sequence of pre-calculated screens. The animated screens are static drawings. Since the calculator displays pixels from top to bottom for each pre-calculated screen, the disp...
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Solution 11919: Calculating Cubic Regressions on the TI-83 Plus Family of Graphing Calculators.

... 3) Enter data in L2 by pressing [→] then 10 [enter] 7 [enter] 9 [enter] 18 [enter] 19 [enter] 15 [enter] 4) Press [2nd] [mode] to return to the home screen. To calculate the cubic Regression (ax3+bx2+cx+d): 5) Press [stat] then [→] to select the CALC menu 6) Press [6] to select 6:CubicReg. 4) Pr...
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Solution 34801: Creating a New Program on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...as been named, press [ENTER] to save it. • It is now possible to edit the program. • When finished editing, press [2ND] [QUIT] to return to the home screen (the input is automatically saved). Please see the TI-83 Plus and TI-84 Plus Family guidebooks for additional information. Solution 34801: ...
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Solution 34836: Correcting the Error "NO SIGN CHANGE" When Calculating the Zero (Root) of a Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...s entering a "left bound", "right bound" and a "guess". These requirements can be entered by inputting a specific value or by using the arrow keys to scroll and select a value on the graph. Pressing [ENTER] after each value will mark the left bound, right bound and guess. After entering the left ...
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Solution 34926: Functionality of the Function Keys [F1 - F5] on the TI-84 Plus Family of Graphing Calculators.

.... These functions can be viewed by pushing the [Y=] button. Please Note: Some calculator software applications (apps) will display "softkeys" on the screen that will correspond to these function keys. Also, keep in mind that on some graphing calculator models, the [ALPHA] key must be pressed pri...
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Solution 34847: Using the fMin( ) Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...olerance]) Example: Find the function minimum of sin(A), for the variable A, with -p for the lower bound and p for the upper bound. 1) From the main screen press [MATH] then [6] to select 6:fMin( 2) Press [SIN] [ALPHA] [A] [)] [,] [ALPHA] [A] [,] [(-)] [2ND] [p] [,] [2ND] [p] [)] and [ENTER] to ...
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Solution 34615: Using the fMax Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...lerance]) Example: Find the function maximum of sin(A), for the variable A, with -π for the lower bound and π for the upper bound. 1) From the main screen press [math] [7] to select 7: fMax( 2) Press [sin] [alpha] [math] [ ) ] [,] [alpha] [math] [,] [ (-) ] [2nd] [^] [,] [2nd] [^] [π] [ ) ] to ...
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Solution 35814: Available Images on the TI-84 Plus CE and TI-84 Plus C Silver Edition.

... to do this 5 times for all five images. To set a Background Image: 1) Press [2ND] [FORMAT]. 2) Set grid color, axes, and border color as desired. 3) Scroll down to "Background" and press [►] to view the images available. 4) To select the desired background image, press [ENTER] then proceed with ...
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Solution 35294: Finding T Distribution Values on the TI-84 Plus Family of Graphing Calculators.

...e the lower bound and press [ENTER]. 3) Input 5 for the upper bound and press [ENTER]. 4) Input 4 for the degrees of freedom and press [ENTER]. 5) Scroll to Paste and press [ENTER]. Your screen should now read tcdf(1,5,4). 6) Press [ENTER].  The answer is .1832052662, or about 18.32%. Pl...
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Solution 34600: Computing a Poisson PDF and Poisson CDF on TI-84 Plus C Silver Edition.

...he poissonpdf( ) or possioncdf( ) command on a TI-84 Plus C Silver Edition? The command poissoncdf( computes a cumulative probability at x for the discrete Poisson distribution with a specified mean Ã. Please note that Ã must be any real number that is greater than zero; x may be any real number...
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Solution 34599: Solving Simultaneous Equations on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...-3 Solution: First, begin by inputting the matrix. To do so, please follow the steps below: 1) Press [2nd] [MATRIX] to bring up the Matrix Menu. 2) Scroll to Edit, and press 1:[A]. 3) Input the dimensions of your matrix by pressing [2] [ENTER] [3] [ENTER]. 4) Input the matrix entries, pressi...
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Solution 34937: Hiding Asymptotes on a Graph Using the TI-83 Plus, TI-84 Plus Family, and TI-Nspire in TI-84 Plus Mode.

...ow the steps below: • Press [MODE]. • Arrow down to Connected, then arrow over to Dot and press [ENTER]. • Press [2ND] [QUIT] to exit to the home screen with the blinking cursor. The asymptotes are now hidden on the graph. Please see the TI-83 Plus and TI-84 Plus family guidebooks for addi...
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Solution 34538: Calculating Standard Deviation on the TI-83 Plus and TI-84 Plus Family.

...ion can be calculated by using the stdDev() function. The stdDev() function can be located by performing the following: 1) Press [2nd][LIST]. 2) Scroll to MATH and select 7:stdDev(. Follow the examples listed below to calculate standard deviation of one and two lists of data. Example: Fi...
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Solution 34591: Using the Numeric Solver on the TI-84 Plus CE and TI-84 Plus C Silver Edition.

...t MATHPRINT or CLASSIC and press [ENTER]. To solve 2x+6=10 in Mathprint mode, follow the steps below: 1) Press [MATH][ALPHA][B] OR press [MATH] and scroll down to B:Solver...and press [ENTER]. 2) Input 2x+6 in the E1 (Expression1) box and press [ENTER]. 3) Input 10 in the E2 (Expression2) bo...
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Solution 34931: Using the Manual-Fit Function on the TI-84 Plus Family of Graphing Calculators.

...ameter value in the symbolic expression Y=mX+b, and refresh the graph with the updated Manual-Fit Line. 10) Press [2ND] [QUIT] to return to the main screen. Please see the TI-84 Plus Family guidebooks for additional information. Solution 34931: Using the Manual-Fit Function on the TI-84 Plus Fa...
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Solution 34516: Finding the Zero of a Function on the TI-84 Plus CE and TI-84 Plus C Silver Edition.

...or enter a value and press [ENTER]. 7) When prompted for "Guess?", move the cursor close to the zero value or enter a value and press [ENTER]. The screen will show the zero, which is (-2, 0). Please see the TI-84 Plus CE and TI-84 Plus C Silver Edition guidebooks for additional information....
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Solution 34513: Creating Strings on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...or function, such as sin( or tan( is one character. Quotation marks do not count as string characters. To enter a string on a blank line on the Home screen or in a program: 1) Press [ALPHA]["] to indicate the beginning of the string. 2) Enter the string text (this may include number, letters, f...
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Solution 34506: Calculating and Graphing a Linear Regression on the TI-84 Plus family of graphing calculators.

...ess 4: LinReg(ax+b). • Ensure Xlist is set at L1, Ylist is set at L2 and Store RegEQ is set at Y1 by pressing [VARS] [→] 1:Function and 1:Y1. • Scroll down to Calculate and press [ENTER]. The graphing calculator will display the form of the equation as (y=a+bx) and list the values for th...
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Solution 34505: Purpose of the GarbageCollect Function on the TI-84 Plus C Silver Edition Graphing Calculator.

...ss [2ND] [CATALOG]. • Press [G] to "jump" to section of commands starting with G. • Press [ENTER] to paste the GargageCollect function onto the home screen. • Press [ENTER] to display the Garbage Collect prompt. • Press [2] to begin garbage collection. Please see the TI-84 Plus C Silver Editio...
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Solution 34503: Generating Different Random-Number Sequences by Setting Seed Value on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.

...seed value for the rand function is zero (0). To generate a different random-number sequence, store any non-zero seed value to rand. 1) From the home screen, press [CLEAR] to clear any previous entries, input a [Random Non-Zero Value], then press [STO] [MATH] [left arrow] [1] to select rand. 2...
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Solution 12009: Calculating Variance on the TI-83 Plus Family of Graphing Calculators.

...R]. 2) Enter in 170 and press [ENTER]. 3) Follow this step for the remainder of data points. 4) Press [2nd] followed by [QUIT]. 5) Press [STAT] and scroll to the right. 6) Either press [1] or [ENTER]. 7) Press [ENTER]. 8) Press [VARS]. 9) Either press [5] or scroll down to option 5 and press ...
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