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Topic (Course) 
Technology 
Type 
$? 
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One and Twosided limits, and...

limits (PreCalculus) 
Java Applet 
Tool 

[0]

A Java applet that introduces one and twosided limits, and when limits fail to exist. Includes a rescalable presentation version with large fonts.
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Operations on Functions

Functions (PreCalculus) 
Java Applet 
Tool 

[0]

Plot two functions and their sum, difference, product, composite, inverses, or scalar multiples.
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Optical Properties of Elliptic...

ellipses (PreCalculus)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the optical properties of elliptical mirrors.
Rays that pass through one focus of an ellipse always are reflected so they pass thro...
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Parametric Equations

graphs and parameters of these functions (PreCalculus) 
Java Applet 
Tool 

[0]

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Pattern Generator

Sequences and Series (PreCalculus) 
Java Applet 
Tool 

[1]

Determine and then continue the pattern generated.
Spanish version also available.
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Piecewise Linear Grapher

linear (PreCalculus)+ 
Java Applet 
Tool 

[0]

Highlight the language of domain and range, and the ideas of continuity and discontinuity, with this tool that links symbolic and graphic representations of each interval of a piecewise linear functio...
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Playing with Functions

linear (PreCalculus)+ 
Java Applet 
Tool 

[1]

Students choose one or two functions and perform a variety of operations (adjusting parameters; combining through addition, multiplication, or composition; reflecting; others possible).
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Problem of Absolute Value

absolute value (PreCalculus) 
Java Applet 
Tool 

[1]

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Problem of Composite Function

quadratic (PreCalculus) 
Java Applet 
Tool 

[0]

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Problem of Hyperbola

hyperbolas (PreCalculus) 
Java Applet 
Tool 

[0]

The defintion of a hyperbola is illustrated using this applet. When concentric circles are formed at each of the foci, the intersections of the circles must satisfy the constant difference.
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Problem of Quadratic Function(...

quadratic (PreCalculus) 
Java Applet 
Tool 

[0]

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Problem of Quadratic Function(...

quadratic (PreCalculus) 
Java Applet 
Tool 

[0]

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Quadratic Formula

quadratic (PreCalculus) 
Java Applet 
Tool 

[0]

This applet is designed to aid in the exploration of finding the roots of a quadratic equation.
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Recognize Graphs 1

quadratic (PreCalculus) 
Java Applet 
Tool 

[1]

Use your knowledge of quadratic functions to match each function with its graph. Functions are of the form ax^2 + bx + c.
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Recognize Graphs 2

rational (PreCalculus)+ 
Java Applet 
Tool 

[1]

Use your knowledge of rational functions to match the equation with its corresponding graph. Equations are of the form a + b/x or a + b/x^2.
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Reflective Properties of Ellip...

ellipses (PreCalculus) 
Java Applet 
Tool 

[0]

Interactive page to demonstrate the reflective properties of ellipses.
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Reflective Properties of Hyper...

hyperbolas (PreCalculus) 
Java Applet 
Tool 

[0]

Interactive page to demonstrate the reflective properties of hyperbolas.
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Relationship Between Velocity ...

increasing, decreasing and constant rates of change (PreCalculus) 
Java Applet 
Tool 

[0]

Students can explore the relationship between velocity and displacement and can see how their graphs are related. Also answer the questions provided to help understand the relationship better.
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Savings Calculator

exponential (PreCalculus)+ 
Java Applet 
Tool 

[0]

Explore how savings, with or without regular deposits, grow over time.
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Scaling

Functions (PreCalculus) 
Java Applet 
Tool 

[0]

Students explore transformations to linearize data.
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Scrambler

graphs and parameters of these functions (PreCalculus) 
Java Applet 
Tool 

[1]

The "Scrambler" is an amusement park ride with a central rotating hub with three central arms, with spokes at the end of each arm that rotate in a different direction. This applet, approved by the El...
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Semimajor and Semiminor axes...

ellipses (PreCalculus)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that show the semimajor and semiminor axes of an ellipse.
The applet has an ellipse whose major and minor axis endpoints can be dragged.
As they...
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Semicircle and Arithmetic, Geo...

geometric (PreCalculus) 
Java Applet 
Tool 

[0]

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Sequencer

Sequences and Series (PreCalculus) 
Java Applet 
Tool 

[0]

Students learn about number patterns in sequences and recursions by specifying a starting number, multiplier and addon.
Spanish version also available.
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Sierpinski's Carpet

limits (PreCalculus)+ 
Java Applet 
Tool 

[0]

This activity allows the user to step through the process of building the Sierpinski's Carpet.
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