In the Footsteps of Pythagoras. Magical Squares and Wonders

In continuation of the collection "In the Footsteps of Pythagoras", Szczepan Jeleński talks about the poetry of numbers: incredible results of multiplication, tricky divisions, and astonishing symmetries. Various operations, tricks, and jokes with numbers are just as fascinating as logical... tasks and puzzles.Several millennia ago, people fascinated by the mystery of numbers created magical figures from them. Their astonishing properties provide rich material for entertainment and mental training.Equally beneficial for mental gymnastics is unraveling the mystery of illusions and finding errors in paradoxical reasoning. Clarifying optical illusions and witty sophisms lays the foundation and strengthens logical thinking.It is hard not to succumb to the charm of mathematics when an experienced and knowledgeable guide reveals it!