Magic Squares and Mathmagic!!

Dürer's Magic Square  
Today I will bring you some interest calculations, because in our modern world we might lose our basic Math skills. So lets reinforce our rusty cells and have fun. 
Magic Square were investigated by many people during the history, but Albrecht Dürer
was also a painter, he combined his famous magic square in the paint Melencolia I,  
View some of his artwork too.

Albrecht Durer Drawings

Arthur Benjamin: Lightning calculation and other "Mathemagic"                                

Great show, learn some math tricks, you can look now for more tricks, exercise your brain, stop relying on the gadgets, or we all rust. 

Math is so easy