Help for this page

Select Code to Download

Select or download this

sub almost_normal {
    my ($mean, $variance) = @_;
    return sqrt($variance) * atan2( rand(2) - 1, 1 ) + $mean;
}

Select or download this

#!/usr/bin/perl -slw

...
printf "%7.2f : %-3d : %s\n", $_, 
    $plot{ $_ }, '#' x ( $plot{ $_ } / $ITERS * 100 * $PRECISION )
    for sort{ $a <=> $b } keys %plot;