# Matrix Determinant Calculator

## Calculate matrix determinant step by step

The calculator will find the determinant of the matrix (2x2, 3x3, 4x4 etc.) using the cofactor expansion, with steps shown.

Related calculator: Cofactor Matrix Calculator

### Your Input

**Calculate $$$\left|\begin{array}{cc}4 & 7\\7 & 9\end{array}\right|$$$.**