The contents of the B register is then shifted to the right by the proper number of places so that the exponent difference between {HEAD ~ the numbers} in {TAIL ~ the A and B registers} is zero.  
in
The contents of the B register is then shifted to the right by the proper number of places so that the exponent difference between { HEAD ~ the numbers } in { TAIL ~ the A and B registers } is zero .
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH