DB<80> $x = 1.100000000000;

  DB<81> print $x
1.1

##</code><code>##

  DB<84> printf '%0.16f', 1.1
1.1000000000000001

##</code><code>##

  DB<82> $x += 1.1 for 1..55;

  DB<83> print $x
61.6000000000001