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Topic (Course) 
Technology 
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$? 
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Combining Two Functions

composite functions (PreCalculus) 
Flash 
Tool 

[0]

This tutorial will show you how to combine two randomlygenerated functions using addition, subtraction, multiplication, and division. You'll also learn how to perform compositions.
College Cra...
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Familes of Functions and Point...

graphs and parameters of these functions (PreCalculus) 
Flash 
Tool 

[0]

The user can enter data points and then choose from a list of families of functions: linear, surge, trigonometric, logistic, polynomial etc. to match the data points. Current values for parameters in ...
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Function Flashcards

linear (PreCalculus)+ 
Flash 
Tool 

[0]

This Flashbased program offers the graphs for a variety of linear, quadratic, and nonlinear functions presented as a set of flashcards (for those students who learn best this way). Students may des...
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Function Grapher

graphs and parameters of these functions (PreCalculus) 
Flash 
Tool 

[0]

One of these function graphers graphs two functions at a time and traces them; the other graphs three functions at a time.
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Graphin' Exponential Functions

exponential (PreCalculus)+ 
Flash 
Tool 

[1]

Graphs up to three exponential functions at once, allowing variation in four parameters.
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Inverse Functions

inverse (PreCalculus) 
Flash 
Tool 

[0]

This tutorial explains the concept of inverse functions using a simple linear functionthe slopeintercept formula. By entering the variable values, you can walk through each step in transforming th...
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Linear Functions

linear (PreCalculus)+ 
Flash 
Tool 

[0]

This tutorial presents graphs of the different types of linear functions, identifying the distinguising parts and features of each. Included are f(x)=mx+b, f(x)=mx+b, f(x)=b, and f(x)=x.
Colle...
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Matching Formulas to Data Appl...

graphs and parameters of these functions (PreCalculus) 
Flash 
Tool 

[0]

In this applet the user can enter any number of points and any family of functions that contains up to four constants. The constants can be then changed dynamically at a press of an arrow. That allows...
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NonLinear Functions

exponential (PreCalculus)+ 
Flash 
Tool 

[0]

This tutorial shows the graphs for nonlinear functions such as the greatest integer function and the absolute value function, pointing out the relevant parts and symmetries.
College Cram charge...
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Sine curve visualization tool:...

Functions (PreCalculus) 
Flash 
Tool 

[1]

As students drag the ball along the perimeter of the circle a line is drawn between the point on the circle and the corresponding point on the sine curve. The range is from 0 to 360 degrees on the cir...
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Surfin' Sinefeld's Insidious E...

exponential (PreCalculus)+ 
Flash 
Tool 

[0]

This gives the user a multiplechoice quiz on the properties of exponential functions. The role of various parameters in the graph of the exponential function is emphasized.
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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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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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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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Changing Cost per Minute

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

[3]

Users learn how modifications in the rate affect the linear graph displaying accumulation (the total cost of calls).
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Chaos Game

limits (PreCalculus) 
Java Applet 
Tool 

[0]

This activity allows the user to see patterns in seemingly random dot arrangements and explore the chaos game by changing the number of vertices, and the number of dots displayed.
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Chaos In the Classroom  Visua...

domain and range of functions (PreCalculus)+ 
Java Applet 
Tool 

[1]

The logistic equation is a simple dynamical system that illustrates very nicely the emergence of complex chaotic behavior from a single, simple equation. This lesson plan is targeted towards high scho...
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Congruence of Quadratic Functi...

quadratic (PreCalculus) 
Java Applet 
Tool 

[0]

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Continuity: An Informal Approa...

continuity (PreCalculus) 
Java Applet 
Tool 

[0]

A Java applet that introduces the concepts of continuity and continuous functions in an informal manner. Includes a rescalable display version with large fonts.
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Cosine Engine

domain and range of functions (PreCalculus)+ 
Java Applet 
Tool 

[0]

With this applet, students study the extrema of the function A cos^2 (t) + B cos(t) + C. A parabola is drawn with studentsupplied coefficients and constant, and the unit circle is drawn below, so th...
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Data Flyer

linear (PreCalculus)+ 
Java Applet 
Tool 

[2]

This activity allows the user to plot a set of (x,y) ordered pairs and graph a function on the same coordinate plane. The applet allows the manipulation of a function of the form y = f(x).
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Double Ferris Wheel

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

[1]

This is a Java Sketchpad animation of a double ferris wheel; the path of one passenger is traced as the ride spins.
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Drawing Exponential Curve

exponential (PreCalculus) 
Java Applet 
Tool 

[0]

The applet manipulates an apparatus that draws an exponential curve. The trace of point D becomes the exponential curve by maintaining the equality of the ratio AB:AC = BE:CD.
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Equations of a Straight Line

linear (PreCalculus) 
Java Applet 
Tool 

[0]

An interactive Java applet that displays one or more straight lines in a userdefinable Cartesian system of coordinates. For the selected straight line the applet displays a choice of equations: two p...
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Exponential Curves

tangent line (PreCalculus) 
Java Applet 
Tool 

[0]

Look for a curve of the form a^x which has slope 1 at x=0.
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