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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

2D/3D Function Plotter

Graphing Equations (Trigonometry) 
JavaScript 
Tool 

[0]

An online (JavaScript) plotting tool for creating 2D and 3D graphs from typed in algebraic expressions. This is version 2.92. See the story for the older version.
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3D Function Grapher

Graphs of Functions (Trigonometry) 
Flash 
Tool 

[0]

We present two versions of a 3D function grapherone on a white background, one on a black background. The user enters a formula for f(x,y) in terms of x and y and the applet draws its graph in 3D. T...
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Abacus MathWriter

General (Trigonometry) 
Computer 
Tool 
$ 
[0]

MathWriter is a standalone Windows program that allows for the production of mathematical, scientific and engineering equations and formulae.
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Adding and Subtracting Complex...

Complex Numbers (Trigonometry) 
Flash 
Support Material 

[0]

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

Complex Numbers (Trigonometry) 
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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Air Sketch

General (Trigonometry) 
iPad 
Tool 
$ 
[0]

Turn your iPad into a wireless whiteboard. Annotate PDF documents and images live. You can now project PDF documents (such as exported PowerPoint or Keynote decks) to a computer on the same local netw...
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Air Sketch Free

General (Trigonometry) 
iPad 
Tool 

[0]

Turn your iPad into a wireless whiteboard. Project live sketches to a local computer. The Free Edition of Air Sketch supports basic diagrams, but runs on the same engine as the Full Edition. You can u...
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Algebraic Vector Addition

Vector Addition (Trigonometry) 
Java Applet 
Tool 

[0]

Students can see how two or more vectors are added algebraically and geometrically. Students specify the vectors and the applet shows the resulting vector.
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Angle: An Illustrated Classifi...

Working with Angles (Trigonometry)+ 
Java Applet 
Tool 

[0]

An interactive Java applet that displays the degree measure of userdefined angles along with the labels according to the common classification: acute, right, etc. An option is to show negative as wel...
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Angles and Their Measures (Get...

Working with Angles (Trigonometry) 
Flash 
Support Material 

[0]

This minilesson explains basic concepts of angles and different ways of measuring angles, as well as the relationships between the area of a triangle and its interior angles.
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Angles of Elevation and Depres...

Applications (Trigonometry) 
Flash 
Support Material 

[0]

This lesson explains how you can solve word problems that involve angle of elevation and depression using trigonometry.
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Applications of the Sine and C...

sin, cos and tan (Trigonometry)+ 
Flash 
Support Material 

[0]

This minilesson explains applications of sine and cosine ratios in solving problems.
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Archimy.com  3D Graphs Online

Trig Functions (Trigonometry)+ 
Flash 
Tool 

[1]

Archimy.com is a service for drawing the graphs of all kinds of functions.
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Area of a Triangle (Trigonomet...

Applications (Trigonometry) 
Flash 
Support Material 

[0]

This minilesson explains how to determine the area of a triangle trignometrically.
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Area of a Triangle Using Sine

sin, cos and tan (Trigonometry) 
Flash 
Tool 

[3]

Flashbased introduction to finding the area of a triangle, given two side lengths and the measure of the angle between them. College Cram charges access fees by the month or by the semester for m...
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Calculus Made Easy App

Working with Angles (Trigonometry)+ 
TI89 
Tool 
$ 
[3]

Contains concise rules and corresponding examples for functions, limits, derivatives, integrals, trigonometry, and BC Calculus.
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Cartesian Graphs and Polar Gra...

Polar Coordinates (Trigonometry)+ 
Sketchpad 
Activity 

[0]

Students compare rectangular graphs and polar graphs for functions of the form y = a sin(bx) and r = a sin(b?). Students analyze how the period and amplitude of a Cartesian graph correlate to featu...
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Cartesian Graphs and Polar Gra...

Polar Coordinates (Trigonometry)+ 
Sketchpad 
Tool 

[1]

Students compare rectangular graphs and polar graphs for functions of the form y = a sin(bx) and r = a sin(b?). Students analyze how the period and amplitude of a Cartesian graph correlate to featu...
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CellSheet(TM)

General (Trigonometry) 
TI83/TI84 
Tool 

[0]

This app adds spreadsheet capabilities to a TI calculator allowing users to:

Common Core Lookfors (Mathema...

General (Trigonometry) 
iPad 
Tool 
$ 
[0]

This is an observation tool for the Standards for Mathematical Practice and Standards of Mathematical Content of the Common Core State Standards (CCSSO, 2010). CCL4s is available on both iPhone and...
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Common Core Lookfors (Mathema...

General (Trigonometry) 
iPhone 
Tool 
$ 
[0]

This is an observation tool for the Standards for Mathematical Practice and Standards of Mathematical Content of the Common Core State Standards (CCSSO, 2010). CCL4s is available on both iPhone and...
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Complex Numbers

Complex Numbers (Trigonometry)+ 
Java Applet 
Tool 

[1]

This tool lets students see how complex numbers are added, subtracted, and multiplied graphically. They are asked to describe what has happened when complex numbers are added, subtracted, and mulitpl...
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Complex Numbers Applet

Complex Numbers (Trigonometry) 
Java Applet 
Tool 

[0]

This applet does symbolic calculation of complex numbers. This means that you can enter integers and fractions for the component values of a complex number (real and imaginary). Values with numbers th...
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Complexity

Rectangular Form (Trigonometry)+ 
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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Components of a Vector

Component Form & Length (Trigonometry) 
Java Applet 
Tool 

[0]

Users develop an understanding that vectors are composed of both magnitude and direction.
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