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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

Matrix Transformations

operations with matrices (PreCalculus) 
Sketchpad 
Activity 

[0]

Students perform elementary coordinate transformations using matrices and vector addition. The link to the tool itself is to a zip file that contains both the activity in pdf format and the corres...
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Matrices

determinants (PreCalculus)+ 
JavaScript 
Support Material 

[0]

This support material describes the basics of matrices and then provides links to tools that solve matrix algebra.
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Matrices: The Mathematics Behi...

Linear Algebra (PreCalculus)+ 
JavaScript 
Support Material 

[1]

Students learn the basic operations of and simple calculations with matrices. Students learn a little linear algebra and the mathematics behind matrix calculations.
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Graphing Calculator

operations with matrices (PreCalculus)+ 
Calculator 
Tool 

[2]

Meta Calculator is a free online multipurpose calculator that supports the majority of calculator features used in high school or college. Features include

Linear Algebra Toolkit

Linear Algebra (PreCalculus)+ 
Computer 
Tool 

[2]

This takes all the arithmetic out of matrix problems. With this web site, the student types in their matrix, and then gives the computer the the rowechlon commands  no silly mistakes. This helps th...
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I See Graphs

Linear Algebra (PreCalculus) 
Computer Algebra System 
Tool 

[0]

This downloadable software designed by a teacher generates problems suitable for courses in Algebra I, Algebra II, Trigonometry, Probability and Statistics, and 3D graphing. It also creates graphs ...
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Cramer's Rule (3x3)

solving systems of linear equations (PreCalculus)+ 
Flash 
Tool 

[1]

For systems of three linear equations in three variables, this Formula Solver program walk you through the steps for finding the solution using Cramer's Rule (also known as the Third Order Determinant...
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Determinant of a 2x2 Matrix

determinants (PreCalculus)+ 
Flash 
Tool 

[0]

Use this Formula Solver Series tutorial to learn how to calculate the determinant of a 2x2 matrix. Practice the steps and check your homework answers, all in the same place.
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Determinant of a 3x3 Matrix

determinants (PreCalculus)+ 
Flash 
Tool 

[0]

Learn how to calculate the determinant of a 3x3 matrix with this Formula Solver Series tutorial. It even explains the process for any square matrix of 4x4 or larger.
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Matrix Addition

operations with matrices (PreCalculus) 
Flash 
Tool 

[0]

Flashbased introduction to adding matrices. College Cram charges access fees by the month or by the semester for most resources. This one, however, is free. To get a preview of more of their tools...
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Matrix Multiplication

operations with matrices (PreCalculus) 
Flash 
Tool 

[0]

Flash tutorial introducing matrix multiplication. College Cram charges access fees by the month or by the semester for most resources. To get a preview of their tools, see their free math modules.<...
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Matrix Subtraction

operations with matrices (PreCalculus) 
Flash 
Tool 

[0]

Flash tutorial introducing subtraction of two matrices. College Cram charges access fees by the month or by the semester for most resources. To get a preview of their tools, see their free math mod...
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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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Inverses of 3 by 3 Matrices

Linear Algebra (PreCalculus)+ 
Java Applet 
Tool 

[0]

This applet is a calculator for finding inverses of 3 by 3 matrices, by calculating cofactors and determinants. The method is displayed fully, including cases of singular matrices which have no invers...
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Linear Equation Solver

solving systems of linear equations (PreCalculus) 
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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Matrices

Linear Algebra (PreCalculus) 
Java Applet 
Tool 

[0]

Enter two matrices and compute various operations on them.
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Matrices: Basic Definitions an...

operations with matrices (PreCalculus) 
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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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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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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Basic Matrix Determinant

determinants (PreCalculus) 
JavaScript 
Tool 

[0]

The user enters a matrix and the solver will find the determinant of the given matrix.
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Basic Matrix Inverse

matrix inverses (PreCalculus) 
JavaScript 
Tool 

[0]

The user enters a matrix and the solver will solve for the inverse of that matrix.
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Linear Algebra Calculator

determinants (PreCalculus)+ 
JavaScript 
Tool 

[1]

This calculator lets students enter up to three different matrices and does different calculations with the matrices entered.
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Linear Algebra III

solving systems of linear equations (PreCalculus)+ 
JavaScript 
Tool 

[1]

This applet solves a system of three equations with three unknowns and goes on to explain the mathematics behind solving systems of equations.
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