print "Division by N\n"; for my $n (1..100) { if ( $n/100 == 0.01*$n ) { print "t" } else { print "n" } } Division by N ttttttttttttttttttttttttttttttttttntttttntttttntttttttttntttttttttttnntttttttttttnnttttttttttnnttttt