# get the fractional portion of a number
sub frac { $_[0]-int($_[0]) }

# find the remainder in a real division
sub rem { $_[1]*frac($_[0]/$_[1]) }
[download]

PerlMonks lovingly hand-crafted by Tim Vroom.
PerlMonks was recently assimilated by The Perl Foundation.
Speedy Servers and Bandwidth Generously Provided by pair Networks
Built with the Perl programming language.