This document discusses using a scientific approach to decision-making by analyzing past data to determine decisions that will prove most valuable in the future. It notes that the scientific approach first identifies the key decision and objective of the problem. The document also lists several advantages of using mathematical modeling, such as representing problems accurately, helping managers make faster and more accurate decisions, saving resources like time and money, and easily solving large complex problems. It provides examples of areas where mathematical modeling can be applied, such as finance, marketing, production, personnel, and general management.