C:\Users\x>cd desktop

C:\Users\x\Desktop>inv1.pl

 Here we intend to get the inverse of a 4x4 square matrix.

 Enter the Number of Rows i.e 4: 4

 The Inverse Matrix is:

-0.4  -1  0.8  0

1  1  -1  0

2.4  5  -2.8  -1

-2.2  -4  2.4  1