tomwalters@0: function un=unit(name,fullname,converter);
tomwalters@0: 
tomwalters@0: 
tomwalters@0: str.name=name;    % the name of the unit
tomwalters@0: str.fullname=fullname; % the long name of the unit
tomwalters@0: str.converter=converter; % the converter
tomwalters@0: 
tomwalters@0: un=class(str,'unit');