In primary, secondary and high school, students must learn math. Some of them learn math for pleasure or for her sake, and others learn math for grades or awards at exams and competitions. Students must learn mathematics because it is useful in physics, chemistry, engineering, computer science, commerce, construction, accounting, geography, architecture, agriculture and medicine. Yes! We must learn mathematics, because with its help we can decipher the hostile environment in which we live. We have a duty to contribute in all forms to the learning of mathematics, because mathematics is an act of culture of human civilization.