For example , it is possible to have decimal without a zero .
However , the numerals have values 1 , 2 , 3 , etc. up to and including b , whereas zero is represented by an empty digit string .
It is possible to have decimal without a zero .
However , the numerals have values 1 , 2 , 3 , etc. up to and including b , whereas zero is represented by an empty digit string .