Hesse/Schrader: The Test Cracker - Logic, Mathematics, and Physics Explained Clearly for Assessment Tests. In selection processes, it is essential to understand the principles of the tests in order to solve the tasks more quickly and effectively. The Test Cracker assists with this. It decodes the structure and framework of the commonly used testing methods in the areas of logic, mathematics, technology, spatial reasoning, speed of thought, creativity, and memory retention. It includes a systematic organization of task and test types, detailed solution aids for many common task types, strategies for presentations and media work, as well as a comprehensive directory of mathematical and physical laws. Now as a bonus: Solve over 700 tasks online on PC, tablet, or smartphone with the online assessment. It can be conducted in practice or test mode, with direct feedback in practice mode and result evaluation.