This undergraduate level course is a comprehensive coverage of concepts in engineering economics. It presents mathematical techniques and practical advice for evaluating decisions in the design and operation of engineering systems. These procedures support both selection and justification of design alternatives, operating policies, and capital expenditure. The topics covered include time value of money, financial evaluation methods, depreciation and inflation, income taxes, project financing, replacement analysis, notions on capital budgeting and sensitivity, and risk analysis. At a more personal note, it will help you make financially prudent decisions in your day-to-day life. It will help you in your EIT / PE examinations in future.