MDETERM(matrix)
MDETERM function returns the determinant of a given matrix.
Let us assume that A1, ..., A4 contain numbers 2, 3, 7, and 3, B1, ..., B4 4, 2, 4, and 1, C1, ..., C4 9, 4, 3, and 2, and D1, ..., D4 7, 3, 6, and 5. Then
MDETERM(A1:D4) equals 148.