Elementary Linear Algebra (LA) Notes Free Download
https://mrmwuz.blogspot.com/2015/11/elementary-linear-algebra-la-notes-free.html
It is a substantial change of pace from high school math and calculus, and can be difficult for new students. The pure mechanics of linear algebra are very basic--far easier than anything of substance in calculus. ... Virtually every assigned proof in a linear algebra course has a one- or two-line proof.
