```=1B\$B\$`\$i\$?\$G\$9!#=1B(B

irc =1B\$B\$J\$I\$G5DO@\$5\$;\$FD:\$\$\$F!"BgJQ;29M\$K\$J\$j\$^\$7\$?!#=1B(B

BigDecimal =
=1B\$B\$K\$OM-8z7e?t\$,Bg@Z\$JJ,Ln\$H\$=3D\$&\$G\$J\$\$J,Ln\$NFs<oN`\$NMQES\$,\$"\$j\$^\$9!#=1B=
(B
=
=1B\$BA0<T\$N>l9g!"M-8z7e?t\$,<+J,\$N7W;;@:EY\$rCN\$C\$F\$\$\$F\$/\$l\$?\$[\$&\$,M-\$jFq\$\$\$=
H;W\$\$\$^\$9!#=1B(B
=1B\$B\$+\$H\$\$\$C\$F!"=1B(BMathematica =
=1B\$B\$N\$h\$&\$K1i;;7k2L\$rM-8z7e?t\$G@Z\$C\$F\$7\$^\$&\$H!"=1B(B
BigDecimal =
=1B\$B\$r\$?\$@\$NB?G\D9IbF0>.?tE@?t\$H\$7\$F;H\$C\$F\$\$\$k?M\$K\$O;H\$(\$J\$\$BeJ*\$K\$J\$C\$F\$=
7\$^\$\$\$^\$9!#=1B(B

=
=1B\$B\$I\$&\$7\$?\$i\$h\$\$\$+9M\$(\$F\$_\$?\$N\$G\$9\$,!"1i;;7k2L\$O>o\$K\$G\$-\$k\$@\$1@53N\$JCM\$=
r;;=3DP\$9\$k\$h\$&\$K\$7!"=1B(B
=
=1B\$B%*%Z%i%s%I\$+\$i7Q>5\$5\$l\$?M-8z7e?t\$OB0@-\$H\$7\$FJ];}\$5\$;!"M-8z7e?t\$G@Z\$j\$=
?\$\$?M\$O=1B(B
BigDecimal#rounnd =1B\$B\$J\$I\$GL@<(E*\$K4]\$a\$F\$b\$i\$\$\$^\$7\$g\$&\$+!#=1B(B

BigDecimal =1B\$B\$OI,\$:M-8B\$NM-8z7e?t\$r;}\$D\$3\$H\$K\$7\$F!"=1B(B
=1B\$BL58B@:EY\$NCM\$O=1B(B Integer =1B\$B\$H=1B(B Rational =
=1B\$B\$GI=3D8=3D\$5\$;\$k\$h\$&\$K\$7\$^\$9!#=1B(B
BigDecimal =1B\$B\$rAH\$_9~\$_?tCM%/%i%9\$H0l=3Do\$K;H\$(\$k\$h\$&\$K=1B(B
=1B\$B<c43D4@0\$,I,MW\$@\$H;W\$\$\$^\$9\$,!"=1B(BRational =
=1B\$B\$,AH\$_9~\$_\$K\$J\$C\$?=1B(B
=1B\$B:#\$N=1B(B Ruby =1B\$B\$G\$O\$3\$NJ}K!\$,NI\$\$\$N\$G\$O\$J\$\$\$+\$H9M\$(\$^\$7\$?!#=1B(B=

On 2010/02/08, at 23:51, Kenta Murata wrote:

> =1B\$B\$`\$i\$?\$G\$9!#=1B(B
>=20
> On 2010/02/08, at 19:36, TOYOFUKU Chikanobu wrote:
>=20
>> =1B\$BK-J!\$G\$9!#=1B(B
>>=20
>>> Mathematica =1B\$B\$G\$O<!\$N\$h\$&\$K\$J\$j\$^\$9!#=1B(B
>>> In[1]:=3D N[Sin[N[100000000, 1]], 100]
>>> Out[1]=3D 0.
>>=20
>> =1B\$B\$3\$l\$O\$I\$&\$\$\$&7W;;7k2L\$K\$h\$k=1B(B 0. =1B\$B\$G\$7\$g\$&\$+!#=1B(B
>> =1B\$B7W;;\$G\$-\$J\$\$\$H\$\$\$&0UL#\$N=1B(B 0.=1B\$B!)=1B(B
>=20
> =1B\$B\$=3D\$&\$G\$O\$J\$/!"M-8z7e?t=1B(B1=1B\$B\$G7W;;\$9\$k\$H=1B(B 0. =
=1B\$B\$K\$J\$k\$H\$\$\$&!"=1B(B
> =1B\$B\$=3D\$N\$^\$^\$N0UL#\$@\$H;W\$\$\$^\$9!#=1B(B
> =1B\$B\$=3D\$b\$=3D\$b=1B(B Sin =1B\$B\$N30B&\$N=1B(B N =1B\$B\$OITMW\$G\$7\$?=1B(B
>=20
> In[15]:=3D Sin[N[100000000, 1]]
> Out[15]=3D 0.
>=20
> Sin =1B\$B\$N%"%k%4%j%:%`\$K\$h\$C\$F\$O\$3\$&\$J\$i\$J\$\$\$h\$&\$K=1B(B
> =1B\$B\$G\$-\$k\$N\$+\$b\$7\$l\$^\$;\$s!#=1B(B
>=20
>> Sin =1B\$B\$G\$J\$/=1B(B Exp =1B\$B\$@\$H\$I\$&\$\$\$&7k2L\$rJV\$9\$N\$G\$7\$g\$&!#=1B(B
>=20
> In[17]:=3D Exp[N[100000000, 1]]
> Out[17]=3D 0.*10^43429455
>=20
>>> In[2]:=3D Mod[N[100000000, 1], 3]
>>> Out[2]=3D 0.*10^7
>>=20
>> =1B\$B\$3\$&\$\$\$&=1B(B mod =1B\$B\$OI,MW\$@\$H;W\$\$\$^\$9\$7\$3\$l\$r=1B(B divMod =
=1B\$B\$NM>\$j\$H\$9\$k\$N\$b=1B(B
>> =1B\$B\$"\$j\$=3D\$&\$K;W\$\$\$^\$9\$,\$3\$l\$r=1B(B % =
=1B\$B\$K\$7\$?J}\$,\$h\$\$\$G\$7\$g\$&\$+!#\$=3D\$l\$H\$b=1B(B
>> =1B\$B\$7\$J\$\$J}\$,\$h\$\$\$G\$7\$g\$&\$+!#=1B(B
>=20
> % =1B\$B1i;;;R\$KBP1~\$5\$;\$k\$+\$I\$&\$+\$K\$D\$\$\$F\$O!"\$H\$F\$bG:\$_\$I\$3\$m\$G\$9\$M!#=1B=
(B
> =1B\$B0l4S\$7\$F=1B(B % =1B\$B\$O=1B(B mod =
=1B\$B\$NJLL>\$H\$7\$F\$7\$^\$&\$N\$b%"%j\$@\$H;W\$\$\$^\$9!#=1B(B
> =1B\$B\$=3D\$&\$7\$J\$\$\$HDj\$a\$k;v\$b4V0c\$\$\$G\$O\$J\$\$\$H;W\$\$\$^\$9\$,!"=1B(B
> =1B\$B\$=3D\$N>l9g\$I\$N\$h\$&\$J1i;;\$K\$J\$k\$+2~\$a\$FDj5A\$,I,MW\$G\$9\$M!#=1B(B

--
Kenta Murata
OpenPGP FP =3D FA26 35D7 4F98 3498 0810 E0D5 F213 966F E9EB 0BCC

=1B\$BK\\$r=3Dq\$-\$^\$7\$?=1B(B!!
=1B\$B!X=1B(BRuby =1B\$B5U0z\$-%l%7%T!Y=1B(B =
http://www.amazon.co.jp/dp/4798119881/mrkn-22

E-mail: mrkn / mrkn.jp