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Solution 10426: Finding the Intersection of Functions on the TI-85 or TI-86.

...1) Press [GRAPH] [F1]. 2) Input the equations. 3) Press [2nd] [F5]. To find the intersection: 1) Press [MORE] [F1] [MORE] [F3].First curve?, press [ENTER]. 2) The screen will show Second curve?, press [ENTER]. 3) The screen will show Guess, move the cursor close to the intersection and press [E...
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Solution 10373: Calculating One-Variable Statistics on the TI-82.

...ill demonstrate how to calculate one-variable statistics on the TI-82.Data for this example:x values={5, 9, 7, 4, 6, 250, 35, 100, 84}• Press [STAT] [ENTER] to enter the statistics list editor.• Enter the numbers into the list by inputting each number and pressing [ENTER].• Press [STAT] (right cu...
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Solution 22290: Solving for f(x+h) Using the TI-89 Family, TI-92 Family or Voyage™ 200 Calculators.

...ined as: (4x+3)/(6x+7) • To define f(x), press [2nd] [CUSTOM] [F2] and select 6:Define f(x) =. • After the equal sign, input (4x+3)/(6x+7) and press [ENTER] to define the function. If entered correctly, the calculator will return "Done" and the calculator's display should look like:   • To solve ...
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Solution 10372: Calculating Numeric Derivatives on the TI-82.

...xample below will demonstrate how to calculate the numeric derivative of an expression on the TI-82.Example:Find the numerical derivative of x2-4X, when x=3.Solution:1) Press [MATH] [8], to paste the nDeriv( command onto the home screen.2) Input the expression x^2-4X. The screen will read:3) Afte...
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Solution 10371: Calculating and Graphing a Linear Regression on the TI-82.

...wing example will demonstrate how to calculate and graph a linear regression using the TI-82:Data for this example:xStat: {3,5,8,10}yStat: {7,8,14,18}Enter the data into the TI-82:1) Enter STAT edit mode by pressing [STAT] [1]. 2) Enter the data in the L1 and L2 lists, pressing enter after each e...
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Solution 19149: Using Folders on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...an I use folders to organize variables stored in the memory of a TI-89 family, TI-92 family, or Voyage 200 graphing calculator? Folders provide a convenient way to manage variables by organizing them into related groups.  For example, separate folders can be created for different applications (Ma...
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Solution 11589: Calculating One-Variable Statistics Using the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.

...ice. 3) Press [2nd] [alpha]. 4) In the box beside Variable:, type a variable name (e.g. TEST). 5) Press [2nd] [alpha] after the variable name has been typed. 6) Press [ENTER] [ENTER]. 7) Enter numbers 5, 9, 7, 4, 6, 250, 35, 100, and 84 under c1 by pressing [5] [ENTER] [9] [ENTER] etc. 8) Pres...
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Solution 19089: Function Algebra on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...operations on two or more functions using a TI-89 family, TI-92 family, or Voyage 200 calculator, the functions must first be defined on the Home screen.  The below example demonstrates how this is done. Example: Given the functions f(x) = 2x+6 and g(x) = x-3, find the product of f(x) and g(x). S...
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Solution 10356: Solving Simultaneous Equations on the TI-85 or TI-86.

...z = -3-x + 2y + 5z = 188x + 4y - 7z = -5Solution:1) Press [2nd] [SIMULT]2) Input 3 (This indicates that there are three equations to solve.)3) Press [ENTER] 4) Input the coefficients for the first equation pressing [ENTER] after each value.5) Press [3] [ENTER] [3] [ENTER] [(-)] [4] [ENTER] [(-)] ...
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Solution 10351: Finding the Inverse of a Matrix on the TI-85 or TI-86 Graphing Calculator.

...the TI-85 or TI-86 graphing calculator. Example: Find the inverse of matrix A A = [1 2         3 4] Solution: 1) Press [2nd] [7](MATRX) [F2] to enter the matrix editor. 2) Input [A] press [ENTER] 3) Input the dimensions of the matrix (2 [ENTER] 2 [ENTER]) 4) Input the values for the element...
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Solution 10416: Calculating the Derivative of a Function Using the TI-85 or TI-86.

...unction using a TI-85 or TI-86? To calculate the derivative of a function, refer to the example below:Example: Find the derivative of x^2 + 2x + 4 when x=2• On the HOME screen press [2nd] and then the division key (for CALC).• Press the [F2] key to select nDer (numerical derivative). This will p...
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Solution 11770: Graphing Polar Rose Functions on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.

..., TI-92 family and Voyage 200. Example: r=8*sin(2.5q) 1) Press [MODE], change the Graph mode to Polar, change the Angle mode to Radian, and press [ENTER] twice to save the new graph and angle mode settings.  2) Now press the [Diamond Key] and [F1] to enter the equation into the graphing editor...
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Solution 18709: Calculating the gcd() (Greatest Common Divisor) on the TI-85 and TI-86 Graphing Calculators.

...e greatest common divisor (GCD) function returns the largest number that divides into two positive whole numbers or lists of positive whole numbers evenly. If both arguments are lists, they must have the same number of elements. If one argument is a list and the other a non-list, the non-list is ...
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Solution 18689: Calculating the gcd() (Greatest Common Divisor) on the TI-73 Family Graphing Calculators.

...e greatest common divisor (GCD) function returns the largest number that divides into two positive whole numbers or lists of positive whole numbers evenly. If both arguments are lists, they must have the same number of elements. If one argument is a list and the other a non-list, the non-list is ...
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Solution 11712: Calculating Standard Deviation on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...ed below to calculate standard deviation of one or two list of data. Ex. Calculate the Standard Deviation of {1, 2, 5, -6, 3, -2} • From the HOME screen, press [2ND] [MATH] • Select 6:Statistics and 6:stdDev • Input the data {1, 2, 5, -6, 3, -2}, and press [)] • Once the screen displays stdDev({1...
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Solution 11754: Finding the Complex Conjugate of an Imaginary Number on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...raphing calculators? Use the conj() function to find the conjugate of an imaginary number. The conj() function is located under the the MATH/Complex menu.The conj() function can be used with an expression, a list, or a matrix.Examples:• conj(2+3i) will return 2-3i• conj({2+3i,-i,1-i}) will return...
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Solution 10383: Shading Above or Below a Function on the TI-82.

...shade command, the TI-82 can shade a specific area of the graphing window. This function is accessed by pressing [2nd] [DRAW] [7]. The first two arguments in the shade command define the area that will be shaded. The first is the lower bound; the second is the upper bound. So for example when wor...
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Solution 11751: Finding Critical Points Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...are the points where the derivative is equal to zero, reach a local minimum, or reach a local maximum. The following illustrates how to use the differentiate and solve functions to find critical points. Example: Find the critical points using the solver and differentiation commands on the home sc...
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Solution 18249: Finding the Real and Imaginary Parts, and Modulus (Absolute Value) of an Algebraic Expression using Complex Numbers on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.

...ulus of (1+i)(5-2i)? Solution: 1) Change the mode to Auto by pressing [MODE][F2], scroll down to Exact/Appox and highlight and select Auto and press [ENTER][ENTER]. 2) On the home screen press [2nd][MATH][5][2]. 3) Enter ((1+i)(5-2i)). The imaginary i can be accessed by pressing [2nd][Catalog] ...
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Solution 10379: Finding the Zero of a Function using the TI-82.

... [GRAPH].Find the zero:1) Press [2nd][CALC][2].2) Move the cursor to the x value to specify the lower bound using the left or right cursor and press [ENTER].3) Move the cursor to the x value to specify the upper bound using the left or right cursor and press [ENTER].The screen will show the zero,...
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Solution 11750: Finding an Intersection of Functions on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...raph the equations. 1) Press the diamond key, [F1]. 2) Input the equations. 3) Press the diamond key, [F3]. The graphs are now displayed on the screen. Find the intersection: 1) Press [F5] for the Math menu and select 5:Intersection  2) Select the first function using the up or down cursor and ...
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Solution 11743: Algorithm for the dotP() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...Search How does the dotP() function work on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The dotP() command is implemented on the TI-89 Titanium, TI-92 family, and Voyage™ 200 calculators as an inner product of its arguments. The inner product is defined as follow...
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Solution 17169: Calculating the Second Derivative and Antiderivative Using a TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculator.

...e Search How do I calculate the second derivative and antiderivative using a TI-89 family, TI-92 family or Voyage 200 calculator? The differentiate command, d (differentiate), computes derivatives. Please see the below example for computing the second derivative: Example: What is the s...
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Solution 11739: Displaying Radicals and Imaginary Numbers in the Solutions Using the TI-89 Family, TI-92 Plus and Voyage™ 200.

...Computer Algebra System or CAS, the TI-89 family, TI-92 Plus and Voyage 200 can display radicals and imaginary numbers in the calculated solution. To enable this feature, please follow the steps listed below: 1) Press [MODE] and scroll down to "Complex Format". Using the arrow keys, highlight "2:...
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Solution 10355: Setting the Number of Decimal Places on the TI-85 and TI-86.

... and TI-86:• Press [2nd] [MODE] and scroll to FLOAT.• Press the right arrow key until the number of decimal places needed is highlighted.• Press the [ENTER] key.For 2 decimal places, 2 should be highlighted. All answers will then be rounded to 2 decimal places.• Press [2nd] [QUIT] to return to th...
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