Linear is a crossplatform program which is perfectly suited for dynamically and visually illustrating many of the important themes in linear algebra relating to linear transformations, eigenvalues and eigenvectors. Linear has many advantages over the functionality provided by Wolfram Alpha. Here are a few of them:  Store matrices and work for later use  Visualization of matrices as linear transformations in 2 and 3 dimensions  Visualization of the span of the columns of a matrix.  Dynamic manipulation and visualization of variables in the above contexts. Download Linear Here from the website of Dr. Spickler of Salisbury University. Let's take a look at what Linear can do.
