Abstract. This is the second article on avoiding certain errors at the early stage of C++ code writing. In the previous, we have already advised you to avoid a

Abstract. This is the second article on avoiding certain errors at the early stage of C++ code writing. In the previous, we have already advised you to avoid a large number of calculations in one expression. However, we should investigate this question in detail. Let's see what's dangerous about complex expressions and how we can avoid many logical errors. Examples of bugs: Newton Game Dynamics, Chromium, IPP Samples, Return to Castle Wolfenstein, DOSBox.