%-------------------------------------%
% Lab6 p.3                            %
% Date: 10/8/02                       %
%                                     %
% Gun Srijuntongsiri                  %
% gs61                                %
% ??????                              %
%-------------------------------------%
       
% Variables:
%   sum = total sum of numbers inputted so far.
%   num = the number of numbers inputted so far.
%   n   = current number

% Initialization
sum = 0;
num = 0;

% Ask for a user input number
n = input('Enter a number (0=finish): ');

while n ~= 0
    num = num+1;
    sum = sum+n;
    n = input('Enter a number (0=finish): ');
end

% Output the average
disp(['The average is ', num2str(sum/num)]);