b = 2;
a1 = b;
x = 2;
y = x + 4; % is it 6?
pi = 4 * atan(1);
disp(pi)
pi = 3.14159;
disp(tan(pi));
c = 4^3^2^3;
a_ = ((c-78564)/c + 32);
year = '2017';
disp(['The year is ' year]); % does it display 2017 correctly?
stuff = {'a' 'b' 4 21 'c'};
beginning = stuff(1);
ending = stuff(5);
discount = .12;
AMOUNT = 120.;
amount = 120;
and = 'duck';
class = 'INF1100, gr 2';
continue_ = x > 0;
fox = false;
wolf = fox == true;
Persian = ['Persian' ' is ' 'a' ' human ' 'language'];
Spanish = {'Spanish ' 'is ' ' another'  'language'};
disp([Persian(1:7) ' is not the same as ' Spanish{1}]);