S15AGF Example Program Results X erfcx(X) -6.00000E+00 8.62246E+15 -4.50000E+00 1.24593E+09 -1.00000E+00 5.00898E+00 1.00000E+00 4.27584E-01 4.50000E+00 1.22485E-01 6.00000E+00 9.27766E-02