erfc(x) computes the complementary error function of x, defined as
Fortran 2008 and later
result = erfc(x)
x - The type shall be real.The return value is of type real and of the same kind as x. It lies in the range .
program test_erfc
real(8) :: x = 0.17_8
x = erfc(x)
end program test_erfc