>perl -e "print 10.5 + 15.5 + 25.5"
51.5 (Unrounded)
>perl -e "print 11 + 16 + 26"
53 (Conventional, delta = 1.5)
>perl -e "print 10 + 16 + 26"
52 (Banker's, delta = 0.5)

##</code><code>##

>perl -e "print 10.6 + 15.6 + 25.6"
51.8 (Unrounded)
>perl -e "print 11 + 16 + 26"
53 (Conventional, delta = 1.2)
>perl -e "print 11 + 16 + 26"
53 (Banker's, delta = 1.2)

##</code><code>##

>perl -e "print 0.0+0.1+0.2+0.3+0.4+0.5+0.6+0.7+0.8+0.9"
4.5 (Unrounded)
>perl -e "print 0+0+0+0+0+1+1+1+1+1"
5 (Conventional, delta = 0.5)
>perl -e "print 0+0+0+0+0+0+1+1+1+1"
4 (Banker's, delta = 0.5)