هر روز ریاضی

Say goodbye to dry presentations, gruelling formulas, and abstract theories that would put Einstein to sleep, now there's an easier way to master the disciplines you really need to know. "Everyday Math Demystified" has everything you need to know about essential mathematics, including arithmetic, ratios, and proportions, working with money, the International System of Units, perimeter and area, graphs, stock returns, square roots, rates of change, and much more.