Dawson Erf Erfc Erfci Erfi Fresc Fress

Erfc() Function Erfc ( X As  Double, Optional Info As  Long  ) Complementary error function erfc(x) Purpose This routine computes the complementary error function. erfc(x) = 2/√π ∫exp(-t^2) dt [x, ∞] Returns Double Complementary error function erfc(x). Parameters [in] X Argument x. [out] Info (Optional) = 0: Successful exit. = 1: Floating point range error.