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%I #13 Nov 17 2015 20:57:23
%S 0,6,1,7,4,4,6,8,7,9,0,8,0,6,0,7,0,6,7,3,5,9,1,0,2,2,9,1,2,2,6,2,3,6,
%T 0,5,9,2,8,3,7,9,5,3,1,4,9,9,0,6,3,6,7,1,5,2,0,7,9,3,3,9,2,8,1,7,1,8,
%U 9,6,4,7,7,1,8,3,2,3,1,6,3,4,7,8,2,8,5,3,4,1,4,8,4,8,2,5,7,1,4,4
%N Decimal expansion of the positive solution of erf(x) = x.
%e 0.61744687908060706735...
%t RealDigits[ x /. FindRoot[Erf[x] == x, {x, 1}, WorkingPrecision -> 110]][[1]]
%o (PARI) solve(x=0.5, 1, x-(1-erfc(x))) \\ _Michel Marcus_, Nov 11 2015
%K nonn,cons
%O 1,2
%A _Devid Ferri_, Nov 11 2015
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