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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

Cramer's Rule (3x3)

Cramer's Rule (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...
More: lessons, discussions, ratings, reviews,...

Linear Algebra Toolkit

GaussJordan Method (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...
More: lessons, discussions, ratings, reviews,...

Adding Apples and Oranges

GaussJordan Method (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.
More: lessons, discussions, ratings, reviews,...

Adding Apples, Oranges, Pears ...

GaussJordan Method (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.
More: lessons, discussions, ratings, reviews,...

Adding Apples, Oranges, and Pe...

GaussJordan Method (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.
More: lessons, discussions, ratings, reviews,...

Linear Algebra III

GaussJordan Method (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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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.
More: lessons, discussions, ratings, reviews,...

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...
More: lessons, discussions, ratings, reviews,...

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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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...
More: lessons, discussions, ratings, reviews,...

Matrices

Linear Algebra (PreCalculus) 
Java Applet 
Tool 

[0]

Enter two matrices and compute various operations on them.
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NA_WorkSheet Demo

Linear Algebra (PreCalculus) 
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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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.
More: lessons, discussions, ratings, reviews,...

Matrices: The Mathematics Behi...

determinants (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.
More: lessons, discussions, ratings, reviews,...

Linear Algebra Toolkit

determinants (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...
More: lessons, discussions, ratings, reviews,...

Cramer's Rule (3x3)

determinants (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...
More: lessons, discussions, ratings, reviews,...

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.
More: lessons, discussions, ratings, reviews,...

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.
More: lessons, discussions, ratings, reviews,...

Inverses of 3 by 3 Matrices

determinants (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...
More: lessons, discussions, ratings, reviews,...

Adding Apples and Oranges

determinants (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.
More: lessons, discussions, ratings, reviews,...

Adding Apples, Oranges, Pears ...

determinants (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.
More: lessons, discussions, ratings, reviews,...

Basic Matrix Determinant

determinants (PreCalculus) 
JavaScript 
Tool 

[0]

The user enters a matrix and the solver will find the determinant of the given matrix.
More: lessons, discussions, ratings, reviews,...

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.
More: lessons, discussions, ratings, reviews,...

Matrices

matrix inverses (PreCalculus) 
JavaScript 
Support Material 

[0]

This support material describes the basics of matrices and then provides links to tools that solve matrix algebra.
More: lessons, discussions, ratings, reviews,...

Graphing Calculator

matrix inverses (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

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