Matrix Calculator and Toolkit is the most complete and easiest to use utility for matrix calculation. The app does not include any ads or in-app purchases, just one purchase and you get access to all of the apps functionallity, which includes: • Matrix calculation - Common operations such as addition, subtraction and multiplication. - Calculation of inverse, determinant and transpose. - The ability to find eigenvalues and eigenvectors. • Vector calculation - Cross product and dot product. - Calculation of vector length. • An intuitive and easy to use interface - Support for multiple matrices of different dimensions at once. - Enter and calculate complex calculation chains. - Past calculations are preserved and can be looked on at any time.