difference between two matrices

The matrix calculators allows to calculate online the difference between two matrices with step calculations.
matrix_difference(`[[3;1;-5];[3;2;1];[5;2;1]];[[3;1;2];[3;4;1];[3;0;1]]`) returns `[[0;0;-7];[0;-2;0];[2;2;0]]`
See also