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Solution 15689: Entering Numbers Using Scientific Notation on a TI-85 and TI-86 Graphing Calculator.

...r a number in scientific notation on a TI-85 or TI-86 calculator? 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....
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Solution 12663: Entering Numbers in Scientific Notation on a TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculator.

...n a TI-89 family, TI-92 family or Voyage 200 graphing calculator? A 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: • I...
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Solution 11819: Algorithm for Solving Systems of Equations on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...is used to seek all solutions. Otherwise, a damped-Newton/steepest-descent method is used to seek an approximate solution close to the entered guess, which defaults to 0.0 for each component. Solution 11819: Algorithm for Solving Systems of Equations on the TI-89 Family, TI-92 Family, and Voyage...
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Solution 12134: Using Strings on the TI-89 Family, TI-92 Family, and Voyage™ 200.

...ple 1: Disp string(5+7) will return "12" Example 2: :Prgm :... :5->a :12->b :Disp "Your total is " & ""& string(a+b)&""& " books." :... :EndPrgm When this part of the program executes, the calculator will display "Your total is 17 books." To find out about the rest of the string commands av...
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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.

...rectly inputting a value. 9) Press [ENTER].The value of the maximum (the vertex) is then displayed on the screen. The steps above are the same used when calculating minimums, zeros, inflections, and intersections. Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additiona...
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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.

... ascending order. Character strings will be sorted in alphabetical order. To sort a database structure: It is also possible to sort all columns as a whole, based on a "key" column. A database structure is a set of columns in which each column along the same row contains related information. For ...
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Solution 15463: Finding the Amplitude of Periodic Function on the TI-89 Titanium and Voyage™ 200 Graphing Calculators.

...t possible value of y is 1 and the smallest possible value is -1, so the amplitude is 1. The TI-89 Titanium and the Voyage 200 do not have a function which will find the amplitude of a periodic function.Please see the TI-89 Titanium or Voyage 200 guidebooks for additional information. Solution ...
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Solution 11813: Using Local Variables in Functions or Programs on the TI-89 Family, TI-92 Plus, and Voyage™ 200.

...ch How can I use a local variable on the TI-89 family, TI-92 Plus, or Voyage 200? A local variable is a temporary variable that exists only while a user-defined function is being evaluated or a user-defined program is running. As often as possible, use local variables for any variable t...
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Solution 15462: Integrating Lower and Upper Bounds of a Function on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.

... and upper bounds of a function on my TI-89 family, TI-92 family, or Voyage 200? To integrate an equation with lower and upper bounds such as e^(X^2) where the lower bound is 0 and the upper bound is 1 complete these steps:• On the HOME screen press [F3]• Scroll down to the second option, 2:S( in...
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Solution 12093: Displaying Asymptotes on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.

...uccessive points are drawn, they are joined by a line. If two successive points lie on either side of a discontinuity, 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 t...
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Solution 15346: Graphing 2D Implicit Functions on the TI-89 Titanium, TI-92 Plus, and Voyage™ 200.

...hat 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 graphed in this mode. However, by using 3D graphing mode, it is possible to graph implicit 2D without sol...
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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.

...low 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 locate to the right of the [2nd] key (For the TI-92 family and Voyage 200, the shift key is located above the ON key). • Then press the up...
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Solution 12091: Creating a Histogram Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...ss [diamond key] [GRAPH] to view the graph. It may be necessary to change the current viewing window by pressing [F2] [9] for a ZoomData fit. Note:  What do if I get the error message "Plot Setup" when setting up a Histogram using Stats/List Editor?The error message "Plot Setup" appears when ent...
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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.

...riately constrain the search range can greatly speed the solution. For example, it is very important to restrict the interest rate to positive values when solving the Time Value of Money equation for the interest rate, and it is also helpful to restrict it to be less than some generously large nu...
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Solution 11795: Using the deSolve() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...ariable and Y is the dependent variable). The screen will display: deSolve(y'=10y*(y-25),x,y) 5) Press [ENTER] for the result. Note: The symbol @j, where j is a value between 1 and 255, is used to denote an arbitrary integer. Substitute an integer value for that variable, one of many solutions ...
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Solution 12085: Apps Icon Desktop Setting and Clock Functionality for the TI-89 or TI-92 Plus.

..., version 2.09, adds the ease of the icon Apps desktop and clock functionality of the Voyage™ 200. Please note that the clock will only work on units whose About screens read Hardware Version 2.00. The About screen may be found by accessing the calculator's Home screen then pressing F1 Tools, and...
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Solution 12058: Fractions with the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...r, the unit returns fractional results in the form of an improper fraction. Use propFrac() function to return an improper fraction as a mixed number, which is accessed by pressing [2nd][MATH][9][7]. Please Note: Before trying the examples below, enter the [MODE] menu and change the Exact/Approxi...
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Solution 14289: Backing Up the Memory of a TI-73 Family Calculator by Saving to Another TI-73 Family Model.

...select Back Up from the SEND menu, and press [ENTER]. • As a safety check to prevent accidental loss of memory, the message MEMORYBACKUP is displayed when the receiving unit receives notice of a backup. • Press [ENTER] to select TRANSMIT and begin the backup transmission. • To prevent the backup ...
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Solution 12054: Finding the Curl of a Vector Field on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...) Press [Y] [STO►] [ALPHA] [q] [ENTER]. 13) Press [Z] [STO►] [ALPHA] [r] [ENTER]. Please Note: X*Y*Z is just an example expression. Feel free to use whatever expressions describe the vector field in question. 14) Press [2ND] [ALPHA] [c] [u] [r] [l] [ALPHA]. 15) Press [(] [X] [,] [Y] [,] [Z] [)] ...
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Solution 12075: Viewing the Data Collected with the Calculator-Based Ranger™ (CBR™) and the Ranger Program on the TI-89 Family Calculators.

... is displayed, press [ENTER]. • On the menu screen that appears, select 4. Main Menu. • On the Main Menu, select 6: QUIT. The calculator will display where the different data is located: L1 = Time L2 = Distance L3 = Velocity L4 = Acceleration • Press [2nd] [ESC] to completely exit the Ranger pr...
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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.

...1,0). (1,0) is just an example and any other point can be used, if preferred.•  With the arrow on the selected point, press and hold the [ALPHA] key while pressing any of the 4 arrow keys (up, down, left or right) to change the scale of the graph.For TI-92 Plus and Voyage 200 users:• Press [F6...
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Solution 12059: Implicit Partial Differentiation on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.

...phing calculators? The latest versions of the Voyage 200 and TI-89 Titanium operating system contain a impdif ( command. This command should be used when computing a implicit partial differentiation. To access the command, press [F3] [Up Arrow] [Enter] on the homescreen. For example, to solve...
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Solution 12045: Calculating the Numeric Derivative (nDeriv) on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...calculators? To find a numeric result for a derivative at a given value, use the WITH ( | ) function. Example: To find the numeric derivative of 2x3 when x=2, enter the following: nDeriv(2x^3, x)|x=2 or d(2x^3,x)|x=2  (The d( ) function is accessed by pressing [2nd] [8].) Both functions w...
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Solution 11806: Creating and Evaluating User-Defined Functions on the TI-89 Family, TI-92 Family and Voyage™ 200.

...Search How can I create my own functions on the TI-89 family, TI-92 family and Voyage 200? User-defined functions can be a great time-saver when the repetition of the same expression is needed multiple times, but with different values. User-defined functions can also extend the calculat...
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Solution 12042: Algorithm for Summation on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

...trate how to use and compute summations using the TI-89 family, TI-92 family, and Voyage 200 graphing calculators. The syntax for the å ( function, which is accessed by pressing [2nd] [MATH] [B] [4], is as follows: å(expression, variable, lower limit, upper limit) Example: To find the sum o...
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