Math is a tool to simplify the presentation and problem solving. By using the language of mathematics, a problem can be much simpler to be presented, understood, analyzed and solved. As a science that is constantly evolving, the economy did not escape the desire to apply mathematics in the discussion-discussion. Various mathematical concept has now become an important analytical tool in economics. Modern economics is likely to become increasingly mathematically. After following this course, students will be able to use mathematical techniques as a means to solve the problems of business and economics.