Math is among the many subjects we are obliged to take that well transcends into our college years. No matter what year level math is something we unwillingly. The truth is that, calculators or no calculators, basic math skills are still important. Unless every student receives a thorough grounding in arithmetic, the nation. Did anyone actually proof read this at all as there's a lot of basic calculation errors scattered throughout the book, for example on page 61 it states that £.