%% SL7
str = 'Hello, world!';
length(str)
double(str)
str(3:8)

%% SL12
sprintf('Value of pi is: %0.5f, value of 5*pi is: %0.5f', pi, 5*pi)

sprintf('This is 50%%\n\n\n')

tx = 'test_A';
sprintf('This is a measurement set: %s', tx)