4 x 4 Matrix Determinant Calculator Step by Step

Each square matrix is associated a number called the matrix determinant. There are rules that allow to calculate determinants.
To explain the solution of your determinant is the main idea of creating this calculator.
The calculator algorithm is able to use elementary transformations of the determinant.
Elementary transformations makes it easier to calculate the determinant, but this is possible only for simple problems.
Please, enter integers from -20 to 20 ( preferably from -10 to 10 ).
det A =

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