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Binary Finger Counting

1 to 31 on one hand

   Note the hand on the left.
   Each finger is double the one to its right.
   The thumb represents the value 1, the index is double that, so it is 2, and the middle is double
   the index, so it is 4, etc.
   This is key to understanding the fluently counting in binary on your fingers.
   To make the number 3 for instance, you have to combine a 2 and a 1 finger which is the index
                and the thumb.
                We could actually say we can count to 32 on one hand if we do not hold up any fingers and count
                zero as a number like most good Geeks would do.
               
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