Math::BigRat
Allows you to use arbitrarily big rationals. Math::BigRat is shipped with the Perl 5.8 source kit.
For example:
#!/usr/local/bin/perl -w
use Math::BigRat;
my $rat = Math::BigRat->new('2/7');
print $rat->bstr(), "\n";Math::BigRat implements the following methods.
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