This compendium addresses the fundamentals of corporate investment, financing, and distribution decisions in a theoretically grounded and application-oriented manner. Through numerous practical examples, it encourages the application of methods and concepts in financial management and financial modeling. A professional role in the finance sector, whether as a consultant, banker, auditor, or in the finance departments of companies, requires profound expertise in financial management and its implementation using spreadsheet software, such as Excel. The aim of this book is to prepare readers content-wise and methodically for such roles. Its consistent integration of methods, data, and Excel functions is unique in the German-speaking world. The book covers a wide range of topics, encompassing all essential aspects of financial management. It contains a balanced mix of theory, practical application, empirical data, and Excel know-how, making it highly recommended for the target audiences. Prof. Dr. Andreas Schüler holds the chair in financing and corporate valuation at the University of the Federal Armed Forces Munich and works as a scientific advisor and reviewer. In addition to numerous publications in national and international journals, he is also the co-author, alongside Prof. Dr. Dr. h. c. Jochen Drukarczyk, of the standard work "Corporate Valuation," which is now in its 8th edition, and comments on sections of the Insolvency Code.