How does (a/b) work when both 'a' and 'b' are pure integers ? >> (9/2) 4 >> (-9/2) -5 Why is it -5 ? I expect it to be -4 ? Because, in C/C++, 9/2 is 4 and so negative of it, (-9/2) is -4. What should I do to get C-like behavior ?