Matrix Inversion is a free math calculator developed by GK Apps for Android users. It is an excellent tool for students of linear algebra, as it can calculate the invertible of a matrix with ease. The app is very easy to use, and it can calculate the inverse of 2x2, 3x3, and 4x4 matrices.

The app's interface is simple and straightforward, making it very accessible to users. The app also provides an explanation of what an inverse matrix is and how it can be calculated. This feature is particularly useful for those who are new to linear algebra or need a quick refresher. Overall, Matrix Inversion is a great tool for students and anyone who needs to calculate the inverse of a matrix.