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Solution 12093: Displaying Asymptotes on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.

...symptote" will appear. The window is 160 pixels wide. The graph appears to display only 159- the rightmost pixel is not used. Thus, in the example above, the specified xmin and xmax window settings placed each plotted point exactly 0.2 units apart, starting at x = -9.0, assuming xres was set to ...
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Solution 15346: Graphing 2D Implicit Functions on the TI-89 Titanium, TI-92 Plus, and Voyage™ 200.

...green diamond key and then [F3] to display the graph. Notes: • Graphing implicit functions this way takes a long time. • Change the format style to WIRE FRAME if the function is taking a very long time to graph. • It is not possible to trace an implicit plot. For additional instructions, refer t...
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Solution 11803: Viewing the Top or Bottom of a Large Matrix Result on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...e TI-89 Family, TI-92 Family, and Voyage 200 Graphing Calculators? To view a portion of a large matrix that is off of the screen, follow the steps provided below. • Press the up arrow so that the visible part of the matrix is highlighted. • Press and hold the shift key (Up Arrow), which is loca...
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Solution 11835: Decreasing the Calculation Time Needed for the nSolve() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...type user-defined functions are not simplified prior to the numeric search. Consequently, to avoid the time-consuming simplification, use the steps provided below:• Use the program editor to define the equation in the following form:                         :myeqn ()            :Func            :...
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Solution 14488: Rules for Variable Names on the TI-89 Titanium and Voyage™ 200.

...s consisting of letters and digits. This includes Greek letters (but not p), accented letters, and international letters. Do not include spaces. The first character cannot be a digit. • Variable names can use uppercase and lowercase letters. For example the names AB22, Ab22, aB22, and ab22 all re...
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Solution 14292: Performing Hyperbolic Cosecant, Cotangent and Cosine Functions on the TI-89 Family, TI-92 Plus and Voyage™ 200.

...are: hyperbolic cosecant= csch(expression) hyperbolic cotangent= coth(expression) hyperbolic cosine= cosh(expression) Please refer to the examples provided below. Example 1: Inputting cosh(1.2) will return the result of 1.81066. Example 2: Inputting coth(1.2) will return the result of 1.19954. E...
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Solution 12081: Graphing Inequalities on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...ators? The TI-89 family, TI-92 family, and Voyage 200 graphing calculators' Y= Editor does not allow an inequality to be entered into the calculator directly. However, the graph styles feature can be utilized to show the solution set for an inequality. The example below will demonstrate how to gr...
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Solution 12048: Changing the Scale of a Graph in The Geometer's Sketchpad® App for the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculators.

...eter's Sketchpad® App, please follow the steps listed below. For TI-89 Family users: • Press [2nd] [F1] to access the F6 menu. Select 4: Show Grid.• Move the arrow to select point (1,0). (1,0) is just an example and any other point can be used, if preferred.•  With the arrow on the selected poin...
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Solution 12069: Storing a Value to a Matrix Element on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...the [ENTER] key. (If your Apps Desktop is turned off, press [APPS][6][3] and skip the next step). 2) Choose option 3:New... 3) To create the matrix above, the Type: will be Matrix, the Variable: name is A, and the row and column dimensions are both 2.  4)Press [ENTER] twice.  5) Input the value...
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Solution 12046: Calculating Two-Variable Statistics on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...tor. 5) Enter the x values under C1. Press [5] [ENTER] [9] [ENTER] [7] [ENTER] [1] [1] [ENTER]. 6) Press [Right Arrow] [Green Diamond] [Up Arrow] to move the cursor to the top of C2. 7) Enter the y values under C2. Press [1] [2] [ENTER] [1] [5] [ENTER] [1] [4] [ENTER] [1] [7] [ENTER].  8) Press [...
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Solution 12043: Archiving a Program on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.

...ype the name of the program to archive. The screen will read : Archive Pgrm Name. • Press [ENTER] to archive the program. • A Done message will confirm that the program is archived. Archiving from the VAR-LINK menu: • Press [2nd] [VAR-LINK] to access the menu. • Highlight the name of the pr...
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Solution 11797: Using the Expand() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.

...artial fraction expansion for rational expressions. The proper syntax for the expand() function is: expand(expression [,var]) Follow the example provided below to use the expand() function: Example: Expand (x+y+1)^2 1) From the HOME screen press [F2] for the Algebra menu and select 3:expand(...
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Solution 12101: Limit() Function Returns Unexpected Answers on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.

...oyage 200 graphing calculators? The limit() function is very sensitive to round off errors in floating point (decimal) numbers -- especially near removable or unremovable singularities. It is suggested to avoid floating-point constants and APPROXIMATE mode when using the limit() function. Try al...
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Solution 11755: Finding the Row Echelon Form of a Matrix Using a TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculator.

...ator? The instructions below demonstrate how to find the row echelon form of a matrix.   Example: Find the row echelon form of matrix B: Solution: First enter the matrix in the data matrix editor. 1) Press [APPS] [6] [3] (If the Apps Desktop is on, press [APPS], select Data/Matrix Editor, and p...
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Solution 11747: Entering the Fibonacci Sequence on the TI-89 Family, TI-92 Plus and Voyage™ 200.

...ge Base Search How can I generate the Fibonacci sequence on the on the TI-89 family, TI-92 Plus and Voyage 200? In a Fibonacci sequence the first two terms are 1 and 1. Each succeeding term is the sum of the two immediately preceding terms.Follow the procedure below to generate the Fibon...
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Solution 11861: The d() Function Algorithm on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.

...ledge Base Knowledge Base Search What is the d() (symbolic differentiate) function algorithm? The d() function returns the first derivative of an expression with respect to a variable. The expression can be a list or a matrix. This function uses the chain rule together...
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Solution 12120: Clearing All Variables on the TI-89 Family, TI-92 Family, and the Voyage™ 200 Graphing Calculator.

... clearing all variables and resetting them back to the default value on the TI-89 family, TI-92 family, or Voyage 200 graphing calculator have been provided below: To clear the variables on TI-89 family calculators: 1) Press [2nd][F1] for the F6 menu 2) Choose 1: Clear a-z 3) Press [ENTER] To ...
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Solution 12116: Calculating Weighted Mean Using the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculators.

...nd the homework grade is 95, what is the weighted mean of the student´s scores? X values: {87, 74, 95} Y values: {65, 25, 10} Refer to the steps provided below to calculate the student´s weighted mean in this class: 1) Press [APPS] [6] [3]. (If the Apps Desktop is on, press [APPS], select "Da...
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Solution 12115: Calculating the Transpose of a Matrix using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

... the [ENTER] key. (If your Apps Desktop is turned off, press [APPS][6][3] and skip the next step) 2) Choose option 3:New... 3) To create the matrix above, the Type: will be Matrix, the Variable: name is A, and the row and column dimensions are both 2.  4) Press [ENTER] twice.  5) Input the valu...
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Solution 12114: Calculating Integrals on the TI-89 Titanium and Voyage™ 200 Graphing Calculators.

...le 2: To find the integral of x*cos(x): 1) On the Home screen, enter ∫(x*cos(x),x). Please Note: The multiplication sign between x and cos(x) is required. 2) Press [ENTER] to display the answer. Definite integral Example: To find the integral of x3+x from in the interval [1,3]: 1) On the Hom...
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Solution 23550: Performing Laplace and Inverse Laplace Transformations on the TI-89 Family, TI-92 Plus, Voyage™ 200 Graphing Calculators.

...1) Once the Application has been started, press [F4:Reference] and select [2:Transforms] 2) Choose [2:Laplace Transforms]. 3) Choose [3:Transform Pairs]. 4) Scroll down to t: 1/s^2 and press [right arrow] to view the equation in Pretty Print format. If you wish to find the inverse of the lap...
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Solution 11788: Setting the Scientific Notation Mode on a TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculator.

... Base Search How do I set the Scientific Notation Mode on a TI-89 Family, TI-92 Plus and Voyage 200 Graphing Calculator? Follow the steps provided below to change the TI-89 family, TI-92 Plus and Voyage 200 answer format to scientific:  1) Press [MODE]. 2) Use the down arrow to scroll ...
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Solution 10357: Unexpected Results Returned Performing Temperature Conversions with Negative Numbers on the TI-85 and TI-86.

...ected answer.For example, -40°C>°F, will return -104 as the answer and (-40)°C>°F, will return -40, the expected answer.  Please refer to the steps provided below.• Press [(] [(-)] [4] [0] [)]• Press [2nd] [5] to access the conversion menu (CONV)• Press [F5] for the TEMP menu•Press [F1] for °C (C...
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Solution 19089: Function Algebra on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

... In order to perform algebraic 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...
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Solution 10356: Solving Simultaneous Equations on the TI-85 or TI-86.

...lution: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] [(-)] [3] [ENTER].6) Repeat the same steps for t...
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