Die Hölle der Zahlen

Heinrich Hemme is a well-known author of a series of brainteaser volumes. This, his newest book, contains once again a wealth of amusing mental exercises from the field of mathematics. “Numbers’ Hell” unites riddles culled from geometry, topology and number theory as well as tricky problems from the world of logic, combinatorics and algebra – not to forget the many mathematical jokes, optical illusions and other logical subtleties. You don’t have to be a genius to solve these riddles – nor own a supercomputer. For all who remain stumped, there are detailed solutions given in the appendix.