Aufschwung - Version 1.2 Aufschwung is a new product which is developed for students at secondary education schools, vocational training schools, and adult education and colleges.Aufschwung is an attempt to answer the (foreign) student's grammatical problems, and to provide him with a number of exercises to put into practice. It has a key which makes it an ideal self-study course. In sumDigigrammatik provides the student with an overview of the german grammar and offers practice of most of the grammar, spelling and interpunction rules.