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Technology 
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GX2: Graph Explorer

Graphing (Algebra II)+ 
Java Applet 
Tool 

[3]

A Java2based applet which behaves like a graphing calculator. Graph equations, define additional functions, add parameters, add color to selected graphs, and label objects.
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General Conic Equation Plotter

Graph from equation (Algebra II)+ 
Java Applet 
Tool 

[0]

This graphs equations of conic sections in standard form. Making a circle, ellipse, and line are easy, but it gets trickier as you try to make a parabola, or hyperbola. Students will have to think a...
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Geometric Series

Geometric sequences and series (Algebra II) 
Java Applet 
Tool 

[0]

Eight short practice exercises that allow the student to try and identify the next term in a geometric sequence. Students keep clicking on the next term until they can predict the term before clickin...
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Graph Explorer

Graphing (Algebra II)+ 
Java Applet 
Tool 

[2]

An applet essentially mimicking a graphing calculator, this is used in a number of activities from the same author. Graph functions, experiment with parameters, distinguish between functions by graphi...
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Grapher

Graphing (Algebra II)+ 
Java Applet 
Tool 

[6]

Using this virtual manipulative you may: graph a function; trace a point along the graph; dynamically vary function parameters; change the range of values displayed in the graph; graph multiple functi...
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Graphing Rational Functions

Graphing (Algebra II) 
Java Applet 
Tool 

[3]

Students use their knowledge of rational functions to find critical points, holes, and asymptotes of a given function. Some feedback is provided.
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Graphs of Some Exponential and...

Exponential Functions (Algebra II)+ 
Java Applet 
Tool 

[1]

Observe the graphs of several different exponential and logarithmic functions, such as 2^x, e^x, ln(x), and log(x).
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Inflation in the USA

Direct (Algebra II) 
Java Applet 
Tool 

[0]

Compare the value of American dollars in prior years to American dollars today.
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Inverse Functions

Functions / Relations (Algebra II) 
Java Applet 
Tool 

[1]

The three applets on this page are: Oneto one or Not?, Graphs of Inverse Functions, and Inverse Functions. The first one allows students to decide if a function is onetoone, and if not, it shows a...
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Keymath: Dynamic Algebra Explo...

Direct (Algebra II) 
Java Applet 
Tool 

[1]

This JavaSketchpad sketch has a direct varation line with a slider for k. There are seven questions that guide the student through a discovery process that relates k to the slope and to the rate of c...
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Laboratory

Conic sections (Algebra II) 
Java Applet 
Tool 

[0]

When the sun moves around in the sky, the shadow cast by a vertical stick moves on the ground. The tip of the shadow traces some kind of curve. The curve depends on the observation point, and it also ...
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Linear Equation Solver

Solving systems of equations (Algebra II) 
Java Applet 
Tool 

[1]

Students can use this applet to solve a system of linear equations of up to three equations and three unknowns.
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Loan Calculator

Geometric sequences and series (Algebra II)+ 
Java Applet 
Tool 

[0]

Explore how to pay off a loan, and how interest affects payment. You can control the the frequency of the payments and the period (number of years) of payments or the amount of each payment.
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Matrices: Basic Definitions an...

Matrices (Algebra II) 
Java Applet 
Tool 

[1]

This shows users the mechanics of matrix muliplication using color coding and how each entry in the solution matrix is derived. The user can scroll down and practice multiplying matrices. After deter...
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MultiFunction Data Flyer

Curve of Best Fit (Algebra II)+ 
Java Applet 
Tool 

[0]

Enter a set of data points and a function or multiple functions, then manipulate those functions to fit those points. Manipulate the function on a coordinate plane using slider bars. Learn how each co...
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NA_WorkSheet Demo

Solving systems of equations (Algebra II)+ 
Java Applet 
Tool 

[0]

The NA_WorkSheet Demo (beta version) is a collective aggregation of algorithms coded in Java that implements various Numerical Analysis solutions/techniques in one easy to use open source tool. The to...
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Online Grapher

Solving systems of equations (Algebra II)+ 
Java Applet 
Tool 

[1]

This Java applet can be used to graph functions using function notation. It allows zooming and rescaling.
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Online Graphing Calculator  C...

Quadratic Equations (Algebra II)+ 
Java Applet 
Tool 

[0]

This graphing calculator, written in Java programming language, has the following features:

Playing with Functions

Composition of Functions (Algebra II)+ 
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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Polynomial Function Graphs

Polynomials (Algebra II) 
Java Applet 
Tool 

[0]

Students can look at graphs of degrees 0 through 5 and see the effects of changing the coefficients a, b, c, d and e on each graph by moving sliders. Allows students to see how the different cubic fu...
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Polynomial Roots Applet

Polynomials (Algebra II) 
Java Applet 
Tool 

[2]

This applet solves only the real roots of polynomial equations up to a maximum of order five. Complex number solutions are not available, however it can be included in the future if users request s...
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Polynomials and Their Order

Polynomials (Algebra II) 
Java Applet 
Tool 

[0]

Students are given 7 polynomials and asked to determine their degree (order) and drag and drop the description so that it matches the polynomial. Immediate feedback is given.
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Problem of Hyperbola

Hyperbolas (Algebra II) 
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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Proof Without Words: Completin...

Completing the square (Algebra II) 
Java Applet 
Tool 

[2]

Carry out an interactive, geometric "proof without words" for the algebraic technique of completing the square.
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Quadratic Equations 2

Completing the square (Algebra II)+ 
Java Applet 
Tool 

[1]

Choose values of p and q in the equation x^2 + px + q = 0, and see determinations of the real roots by completing the square and use of the quadratic formula as well as a graphical visualization of th...
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