### 8.76 `ERFC_SCALED` — Error function

Description:
  `ERFC_SCALED(X)` computes the exponentially-scaled complementary error function of X.
Standard:
  Fortran 2008 and later
Class:
  Elemental function
Syntax:
  `RESULT = ERFC_SCALED(X)`
Arguments:

  X | The type shall be `REAL`.

Return value:
  The return value is of type `REAL` and of the same kind as X.
Example:

                program test_erfc_scaled
                  real(8) :: x = 0.17_8
                  x = erfc_scaled(x)
                end program test_erfc_scaled