OFFSET
0,1
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..1000
Eric Weisstein's World of Mathematics, Standard Normal Distribution
Eric Weisstein's World of Mathematics, Normal Distribution Function
Eric Weisstein's World of Mathematics, Normal Distribution
EXAMPLE
c = 0.302630840711572740852845663184268515313557843072275451584922363....
MATHEMATICA
FindRoot[ Exp[ -(x^2)/2 ] == Integrate[ Exp[ -(t^2)/2 ], {t, -Infinity, -x} ], {x, 0}]
RealDigits[x /. FindRoot[E^(-(x^2/2)) == Sqrt[Pi/2]*Erfc[x/Sqrt[2]], {x, 0}, WorkingPrecision -> 105]][[1]] (* Jean-François Alcover, Nov 08 2012 *)
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Alexander Adamchuk, Feb 29 2008, Mar 10 2008
STATUS
approved