Ideal for end users of the Systems, Applications, and Products (SAP) business software as well as those implementing and maintaining the SAP application, this reference lists the top transaction codes available in the SAP system. Enabling users to quickly identify the top transaction codes within a functional module and vice versa, this manual contains the most widely used codes grouped by modules such as finance, controlling, materials management, human resources, payroll, and quality management. An alphabetical listing of T-codes along with their associated modules and the procedures for executing a transaction code either through the shortcut method or the menu are also included.