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Solution 12165: The cFactor() function on The TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.

...rs even if this introduces new non-real numbers. This alternative is better to use when doing factorization with respect to more than one variable. Examples: 1. cFactor ( a ^ 3 * x ^ 2 + a * x ^ 2 + a ^ 3 + a ) [ENTER] will return a • ( a + -i ) • ( a + i ) • ( x + -i ) • ( x + i ) 2. cFactor ...
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Solution 11820: Algorithm Used for the cZeros() (Complex Zeros) Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...o determine all complex zeros.. The cZeros(expr, var) function does this by computing exp►list(cSolve(expression = 0, var, var). Please refer to the example provided below. cZeros(x5+4x4+5x3-6x-3, x) • Press [2ND] [MATH]. • Select [9: Algebra] [A: Complex] [3:cZeros]. • Press [X] [^] [5] [+] [4] ...
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Solution 15689: Entering Numbers Using Scientific Notation on a TI-85 and TI-86 Graphing Calculator.

...or? A number can be entered using scientific notation with the use of the EE function, which is accessed by pressing [EE]. This key represents x10. Example: Input 1.5 x 108 and display the results in standard form. Solution:• Input 1.5.• Press [EE] to access the EE function.• Input 8 and press [...
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Solution 12663: Entering Numbers in Scientific Notation on a TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculator.

... number can be entered using scientific notation with the use of the EE function, which is accessed by pressing [EE] which is used to represent x10. Example: Input 2.5 x 105 and display the results in standard form Solution: • Input 2.5 • Press [EE] to access the EE function • Input 5 and press ...
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Solution 12138: Font and Size of Characters Used on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.

...n the TI-89 Family, TI-92 Family and Voyage 200 Graphing Calculators? The font set is a custom set that gets installed on the PC along with most of Texas Instruments' Windows® applications (such as NoteFolio Creator™). It is called Ti92Pluspc on the computer. On the calculator, most of the charac...
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Solution 11818: Algebra Problem Identities for 00 using the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.

...en the value of ab is the cardinality of the set of all mappings from B to A. In particular, if a = b = 0, then A = B = the empty set, and there is exactly one function that maps the empty set to itself (namely, the empty function). Therefore, 00 = 1. 3. Apply the algebraic notion of an empty p...
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Solution 12134: Using Strings on the TI-89 Family, TI-92 Family, and Voyage™ 200.

...tered directly or stored to a string variable. In programming, strings allow the program to display information or prompt you to perform an action. Examples: Disp "The Result is", answer Input "Enter the angle in degrees", angle1 "Enter the angle in degrees" ->str1 Some input commands, such as...
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Solution 15465: Valid Sequence Functions for Web Plots on the TI-89 Titanium or Voyage™ 200.

...e must meet the following criteria to be graphed properly on the WEB axes. The sequence: • Must be recursive with only one recursion level. For example u(n-1) but not u(n-2). • Cannot reference n directly. • Cannot reference any other defined sequence on the calculator except itself....
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Solution 11815: Finding a Maximum or Minimum of a Function on a TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculator.

...minimum of a function, access the Math menu after graphing a function. Then, from the menu that appears, select the calculation to be performed. The example below will demonstrate how to find a maximum of a function. Please Note: The function graphed must actually have a maximum or minimum in ord...
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Solution 12096: Graphing a Step Function on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.

...ily, TI-92 Family, or Voyage 200 graphing calculator? A step function (or greatest integer function) can be graphed by using the int() command. The example below will demonstrate how to graph a step function on these calculators. Example: Graph the greatest integer of Y=X 1) Go to the Y= edito...
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Solution 11814: Sorting Columns in a Data, List, or Matrix Variable Using the TI-89 Family, TI-92 Plus, or Voyage™ 200.

...or matrix using the TI-89 Family, TI-92 Plus, or Voyage 200? To sort a column using the TI-89 family, TI-92 family or Voyage 200, please follow the examples listed below. To sort a single column: X list = {4, 16, 2, 5} Y list = {car, ape, bed} • Access the Data/Matrix Editor. If the Apps Desktop...
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Solution 15463: Finding the Amplitude of Periodic Function on the TI-89 Titanium and Voyage™ 200 Graphing Calculators.

... amplitude of a periodic function is one-half the difference between the largest possible value of the function and the smallest possible value. For example, for y= sin(x), the largest possible value of y is 1 and the smallest possible value is -1, so the amplitude is 1. The TI-89 Titanium and th...
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Solution 12095: Finding Limits with Direction on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

... Knowledge Base Search How do I find the limit with direction on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The example below will demonstrate how to input limits with direction on these calculators. Example: Find the limit of x/(x-3) as x approaches 3 from t...
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Solution 11813: Using Local Variables in Functions or Programs on the TI-89 Family, TI-92 Plus, and Voyage™ 200.

...en as possible, use local variables for any variable that is used only within a program and does not need to be stored after the program stops. For example, in the program segment below the variable i is a local variable: : Local i : For i,0,5,1 : Disp i : EndFor : Disp i Please Note: The line...
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Solution 12093: Displaying Asymptotes on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.

...uity, they will be joined by a line, which may look like a vertical asymptote in some cases (but is simply an artifact of the graphing process). For example, y=(x-2)/(x+3) graphed in the window xMin= -9 and xMax=6.8 will not display the connecting line or "asymptote". In this example, the x rang...
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Solution 15346: Graphing 2D Implicit Functions on the TI-89 Titanium, TI-92 Plus, and Voyage™ 200.

... the TI-89 Titanium or Voyage 200? In 2D function graphing mode, it is not possible to graph functions that have an implicit form f(x,y)=g(x,y). For example, the functionx^2+.5y^2=30 is a implicit function. Only equations having an explicit form y=f(x), where y is unique for each x value can be g...
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Solution 12092: Creating a Scatter Plot Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...wledge Base Search How do I create a scatter plot using the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The following example will demonstrate how to create a scatter plot using the TI-89, TI-92 Family, and Voyage 200. Data for example:   Access the data matrix ...
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Solution 15320: Performing Order of Magnitude on the TI-86 Graphing Calculator.

...er. Generally, the order of magnitude of a number can be defined in terms of the decimal logarithm, usually as the integer part of the logarithm.For example, 4,000,000 has a logarithm of 6.602. Its order of magnitude is 6.To find the decimal logarithm (or log) of a number:• Press [LOG], input the...
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Solution 12091: Creating a Histogram Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

... Knowledge Base Search How do I plot a histogram using the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The following example will demonstrate how to plot a histogram using the TI-89, TI-92 Family, and Voyage 200.Data for this example: x values: {5, 8, 9, 12, 13, 15...
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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.

...hniques to simplify the equation before applying the search technique. Depending on the equation, this simplification can take significant time. For example, solving the Time-Value-of-Money equation for the interest rate can cause expansion of a high-degree polynomial. Func-type user-defined func...
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Solution 15300: Calculating Factorials on the TI-85 and TI-86 Graphing Calculators.

... on a TI-85 or TI-86 graphing calculator? The procedure below will demonstrate how to calculate factorials on a TI-85 or TI-86 graphing calculator. Example: Compute 5! • Enter 5 and press [2nd] [F2].• Press [F1] and [ENTER] for the result.The screen should display 120.Please see the TI-85 and TI...
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Solution 12090: Creating a Box Plot using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

... Knowledge Base Search How do I create a box plot using the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The following example will demonstrate how to plot a box plot using the TI-89 family, TI-92 family, and Voyage 200.  x values: 5, 8, 9, 12 Frequencies: 4, 1, 5, 2...
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Solution 11795: Using the deSolve() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...function returns an equations that explicitly or implicitly specifies the general solution to the 1st or 2nd ordinary differential equation (ODE). Example:  1) Go to the home screen, press [HOME] on the TI-89 family and [♦] [Q] on the TI-92 family and Voyage 200. 2) Press [F3] and select C:deS...
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Solution 14488: Rules for Variable Names on the TI-89 Titanium and Voyage™ 200.

...d 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 refer to the same variable. • Variable names cannot be the same as pre-assigned names by the TI-89 ...
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Solution 12088: Correcting a "Domain Error" when Performing Number Base Conversions on the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculators.

...set to APPROXIMATE, it will return a Domain error when performing a base conversion.  To check the mode setting:• Press [MODE].• Scroll  down to the Exact/Approx setting. • Press the right arrow key.•  Select EXACT or AUTO. Another possibility is that the number being entered is not a integer. T...
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