Gaussian elimination with the general element (pivoting)

Enter input data A, B for linear system A * X = B
(Only int and float numbers acceptable, blank field accepted as 0):
x1 + x2 + x3 + x4 =

x1 + x2 + x3 + x4 =

x1 + x2 + x3 + x4 =

x1 + x2 + x3 + x4 =

Precision for showing float numbers (from 0 to 10)

Results: