Controlling helps to secure business success and to identify misdevelopments at an early stage. This book explains the most important controlling tools and their application. It shows you how to read numbers and what information you can derive from them. This way, you will become a competent discussion partner for the controller and learn to take on controlling tasks in your own area. Contents: Basics and important controlling tools, applying controlling tools yourself, controlling in individual departments, correctly evaluating controlling figures, recognizing deviations from plans and deriving measures, the biggest pitfalls and how to avoid them.