Binary Numbers
Given a binary number, add up the
powers of 2 corresponding to 1s
1110 0110
       0x20   = 0
       1x21   = 2
       1x22   = 4
       0x23   = 0
       0x24   = 0
       1x25   = 32
       1x26   = 64
       1x27   = 128
         = 230