% apostrophe.m
%
%  The apostrophe (or single quote) and the percent sign have a special
%  meaning inside strings and formats.  To tell MATLAB that you really
%  must mean apostrophe or percent, you must enter the symbol TWICE.
%
fprintf ( '  My child''s age is 7.\n' );

fprintf ( '  I told him ''Act your age!'' but he wouldn''t do it.\n' );

fprintf ( '  An interest rate of 4%% is good these days.\n' );


