This text book has been specifically written for business students taking a financial modelling approach to the basics of accounting accumulation, and the analysis and use of accounting numbers in financial decision making. Students are introduced to the basic and advanced features of financial modelling via spreadsheets, and this knowledge is then applied in a variety of models including accounting cycles, risk analysis, financial statement analysis, product costing, cost-volume-profit, sensivity analysis, forecasting, financial mathematics, and cash and capital budgeting. The book is specifically suitable for MBA students wishing to gain an understanding of the cause-effect relationship in financial numbers.