> 0.999999999999999999999999999999999999999999999999999999999999999999999999999999999 > 99999999999999999999999999999999999999999999999999999999999999999999999999999999999 > 99999999999999999999999999999999999999999999999999999999999999999999999999999999999 > 99999999999999999999999999999999999999999999999999999999999999999999999999999999999 . 0.9が1になるという意味がいまだにわからん 参考：2005/08/31(水)02時29分52秒