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Technology 
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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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Sierpinski's Triangle

limits (PreCalculus)+ 
Java Applet 
Tool 

[0]

This activity allows the user to step through the process of building the Sierpinski's Triangle.
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Slider Graph

linear (PreCalculus) 
Java Applet 
Tool 

[1]

This applet draws the graph of a function that can include references to the "constants" a, b, and c. The values of these constants can be adjusted using the sliders at the bottom of the applet. The a...
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Slope of a Line

linear (PreCalculus) 
Java Applet 
Tool 

[0]

Watch a line of the form y = ax + b change as a and b change.
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Smithmath Customizable Graphin...

Functions (PreCalculus) 
Java Applet 
Tool 

[0]

Play this customizable game by entering functions that "hit" certain coordinates while avoiding others. Players (or teachers) can add as many of the coordinates to target or avoid, as well as set colo...
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Snail Shell

logarithmic (PreCalculus) 
Java Applet 
Tool 

[0]

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Sum of Geometric Series

geometric (PreCalculus) 
Java Applet 
Tool 

[0]

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Tangent to an Ellipse  Math O...

ellipses (PreCalculus) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the tangent to an ellipse.
An ellipse is shown and a tangent line that touches it at the one point.
The user can drag the tang...
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The Focusdirectrix Definition

Conic Sections (PreCalculus) 
Java Applet 
Tool 

[0]

The CabriJava applet shows a conic with focus F, directrix L passing through a point P. The choice of P determines the eccentricity  as the ratio PQ/PF. You can move F and P to see what shapes ar...
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The Fractal Microscope

limit (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 Number e

exponential (PreCalculus) 
Java Applet 
Tool 

[0]

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The Number e(2)

exponential (PreCalculus) 
Java Applet 
Tool 

[0]

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Tight Weave

limit (PreCalculus) 
Java Applet 
Tool 

[2]

Visualize the creation of the Sierpinski Carpet, an iterative geometric pattern that resembles a woven mat.
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Tortoise and Hare Race

limits (PreCalculus)+ 
Java Applet 
Tool 

[0]

Students step through the tortoise and hare race, based on Zeno's paradox, to learn about the multiplication of fractions and about convergence of an infinite sequence of numbers.
Spanish...
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