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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

Adding and Subtracting Complex...

Complex Numbers (PreCalculus) 
Flash 
Support Material 

[0]

This minilesson explains how to add or subtract complex numbers.
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Adding and Subtracting Complex...

Complex Numbers (PreCalculus) 
Flash 
Tool 

[2]

Flashbased introduction to adding and subtracting complex numbers. College Cram charges access fees by the month or by the semester for most resources. This one, though, is free. To get a preview...
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College Algebra Worksheets

Complex Numbers (PreCalculus) 
Flash 
Tool 

[2]

This collection of free worksheets provides practice in a variety of algebra topics, generating ten problems at a time for users to solve. Each worksheet is printable and comes with an answer key.
To...
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Complexity

Complex Numbers (PreCalculus) 
JavaScript 
Support Material 

[0]

This support material shows the user the properties of complex numbers and provides "notes" that prove some of these properties.
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Dividing Complex Numbers

Complex Numbers (PreCalculus) 
Flash 
Tool 

[0]

Flash tutorial introducing complex conjugates, and showing how they are used in dividing complex numbers. College Cram charges access fees by the month or by the semester for most resources. To ge...
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Fractal Microscope

Complex Numbers (PreCalculus) 
Java Applet 
Tool 

[0]

This tool allows user to view Mandelbrot and Julia sets, with coordinates and other information readily available.
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Graphing Calculator (formerly ...

Complex Numbers (PreCalculus) 
Computer 
Tool 
$ 
[1]

A very powerful graphing program that is also especially easy to use. You can graph functions in two or more dimensions using different kinds of coordinates. You can make animations and save as movies...
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Imaginary Unit (Algebra II)

Complex Numbers (PreCalculus) 
Flash 
Support Material 

[0]

This minilesson explains the basics of complex numbers and the concept of an imaginary unit.
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Mandelbrot Set Dialogue

Complex Numbers (PreCalculus) 
Java Applet 
Support Material 

[1]

Shows how the set of all Julia Sets are used to create the classic Mandelbrot fractal.
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Math911

Complex Numbers (PreCalculus) 
Computer 
Tool 
$ 
[4]

Tutorial feebased software for PCs that must be downloaded to the user's computer. It covers topics from prealgebra through precalculus, including trigonometry and some statistics. The software pos...
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Multiply and Divide the Comple...

Complex Numbers (PreCalculus) 
Flash 
Support Material 

[0]

This lesson explains how to multiply or divide complex numbers.
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Multiplying Complex Numbers

Complex Numbers (PreCalculus) 
Flash 
Tool 

[0]

Flash tutorial introducing multiplication of complex numbers by real numbers and by other complex numbers. College Cram charges access fees by the month or by the semester for most resources. To g...
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Plomplex (complex function plo...

Complex Numbers (PreCalculus) 
JavaScript 
Tool 

[0]

Plomplex is a complex function plotter using domain coloring. You can compose a function with a complex variable z, and generate a domain coloring plot of it. You can choose the plot range as well as ...
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Plotting Complex Numbers on a ...

Complex Numbers (PreCalculus) 
Flash 
Support Material 

[0]

This minilesson explains how to plot complex numbers in the 2D plane.
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Prisoners and Escapees  Julia...

Complex Numbers (PreCalculus) 
Java Applet 
Support Material 

[1]

Defines the notion of prisoners and escapees as they pertain to iterative functions. A prisoner ultimately changes to a constant while escapees iterate to infinity.
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Study Sheet of Complex Numbers

Complex Numbers (PreCalculus) 
Flash 
Support Material 

[0]

Use this printable study sheet to review or learn the techniques for working with complex numbers and the imaginary number i, including addition, subtraction, multiplication, and division.
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The Fractal Microscope

Complex Numbers (PreCalculus) 
Java Applet 
Tool 

[0]

A very versatile tool that allows users to explore, with very precise detail, aspects of Mandelbrot, Julia, and other sets iterated on complex numbers.
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The Imaginary Number i

Complex Numbers (PreCalculus) 
Flash 
Tool 

[0]

Flash tutorial introducing i: definition, square roots of negative integers, raising i to powers, and complex numbers. College Cram charges access fees by the month or by the semester for most res...
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What's My Rule?

Complex Numbers (PreCalculus) 
TINspire 
Activity 

[0]

This activity encourages students to gain experience with the language of the Cartesian coordinate system. Each of the problems shows two points, z and w. Point z can be dragged, and point w moves in ...
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