class Bignum\x0d def f b\x0d b+b*b/self\x0d end\x0d def p\x0d puts"1."+self.to_s[1..-1]\x0d end\x0d end\x0d \x0d b=10**499\x0d g=2*b\x0d 1194.times{g=g.f(b)}\x0d g.p
Note that non-ascii characters in the above source code will be escaped (such as \x9f).