' Immersive Math ' is a free textbook site that makes linear algebra, a field of mathematics that studies calculations such as vectors and matrices, easier to understand by providing interactive ...

University of Pittsburgh at Greensburg math professor Kayla Heffernan won a national award for creating a college algebra textbook that uses a teaching method called guided inquiry. But Heffernan, 33, ...

Linear algebra seems to crop up in all kinds of algorithms in computer science. I took linear algebra in college, and have managed to forget nearly everything about it. I've looked at linear algebra ...