Real Error Function, ERF(x) (Algorithm 123) CACM September, 1962 Crawford, M. Techo, R. CA620907 JB March 17, 1978 7:35 PM 1157 5 485 485 5 485 485 5 485 485 5 485 836 6 485 1081 6 485 485 6 485 714 6 485