The textbook "Elements of Mathematics SII. Solutions. Introductory Phase. Schleswig-Holstein" by Schroedel is specifically designed for the upper secondary level in the core subject of mathematics. It offers a comprehensive collection of solutions that help learners understand and apply mathematical concepts and methods. Written by authors Heinz Griesel, Helmut Postel, and Friedrich Suhr, the book is in German and consists of 174 pages. Weighing 347 grams and measuring 24 cm in height and 17 cm in width, it is compact and easy to transport. The first edition of the book was published in 2012 and originates from Germany. This teaching resource is a valuable tool for students preparing for the demands of upper secondary education and wishing to deepen their mathematical skills.