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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

2D/3D Function Plotter

Graphing (PreCalculus) 
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 and parameters of these functions (PreCalculus) 
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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3d ploter

graphs and parameters of these functions (PreCalculus)+ 
JavaScript 
Tool 

[0]

The program uses the HTML5 canvas (HTML5 canvas javascript API) and web workers. Mathematical calculations are performed using the web workers, and the results are drawn on the canvas surface. Applica...
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A Tabular View of Limits

limits (PreCalculus) 
Java Applet 
Tool 

[0]

A Java applet that presents limits from a tabular perspective. Includes a rescalable presentation version with large fonts.
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About Arithmetic Sequences

arithmetic (PreCalculus) 
Flash 
Tool 

[0]

Flashbased introduction to arithmetic sequences, including finding the general term, a specific term, and the sum of a range of terms. College Cram charges access fees by the month or by the sem...
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About Geometric Sequences

geometric (PreCalculus) 
Flash 
Tool 

[0]

Flashbased introduction to geometric sequences, including finding the general term, a specific term, and the sum of a range of terms. College Cram charges access fees by the month or by the seme...
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Absolute Value Parts I4

absolute value (PreCalculus) 
Java Applet 
Tool 

[2]

Students are asked to predict what an absolute value graph will look like with given parameters. Then they can use a graphing utility that is on the same page to test their predictions. Feedback is g...
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Adding Apples and Oranges

solving systems of linear equations (PreCalculus)+ 
JavaScript 
Tool 

[0]

Program about mental arithmetic with a prealgebra tool, introducing Gaussian elimination, an algorithm for solving systems of linear equations. Use the video on the page as a tutorial.
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Adding Apples, Oranges, Pears ...

solving systems of linear equations (PreCalculus)+ 
JavaScript 
Tool 

[0]

Use to calculate the value of an apple, an orange, a pear, and a lemon from four purchases. About mental arithmetic, with a prealgebra tool introducing the Gaussian elimination.
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Adding Apples, Oranges, and Pe...

solving systems of linear equations (PreCalculus)+ 
JavaScript 
Tool 

[0]

To calculate the value of an apple, an orange, and a pear from three purchases.
About mental arithmetic, with a prealgebra tool introducing the Gaussian elimination.
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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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Advanced Equation Plotter

graphs and parameters of these functions (PreCalculus) 
JavaScript 
Tool 

[0]

The user can enter a series of equations and set specific parameters and the solver will plot a graph of the equations.
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Advanced Expand

Binomial Expansion (PreCalculus) 
JavaScript 
Tool 

[0]

The user can enter an expression and set the options and the calculator will expand the expression according to the options specified.
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Advanced Partial Fractions

Partial Fractions (PreCalculus) 
JavaScript 
Tool 

[0]

The user can enter a rational expression into the solver and the solver will break it into partial fractions.
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Air Sketch

General (PreCalculus) 
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 (PreCalculus) 
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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An Introduction to Arithmetic ...

Sequences and Series (PreCalculus) 
Java Applet 
Lesson Plan 

[0]

This lesson is designed to introduce students to the idea of an arithmetic sequence.
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Animated MatrixVector Multipl...

operations with matrices (PreCalculus) 
Java Applet 
Tool 

[1]

Demonstration of matrix product of 5 by 5 matrix with a 5 by 1 column vector.
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Another Hilbert Curve

limits (PreCalculus)+ 
Java Applet 
Tool 

[0]

This activity allows the user to show how changing the generator slightly in a line replacement fractal can have a significant impact on the final product.
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Archimy.com  3D Graphs Online

Graphing (PreCalculus) 
Flash 
Tool 

[1]

Archimy.com is a service for drawing the graphs of all kinds of functions.
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Area of an Ellipse  Math Open...

ellipses (PreCalculus) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the area of an ellipse.
The major and minor axes can be dragged and the area is continuously recalculated.
The ellipse has a g...
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Basic Equation Plotter

graphs and parameters of these functions (PreCalculus) 
JavaScript 
Tool 

[1]

The user can enter an equation into the solver and the solver will plot the equation over the specified interval.
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Basic Expand

Binomial Expansion (PreCalculus) 
JavaScript 
Tool 

[1]

The user can enter an expression into the calculator and have the applet expand the expression into a polynomial.
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Basic Matrix Arithmetic

operations with matrices (PreCalculus) 
JavaScript 
Tool 

[0]

The user can enter one or two matrices and then tell the solver what operation(s) to perform on the matrices.
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