Hommage to Albrecht Durer

Can you make a square so that not only the rows,columns and diagonals add to 34,but also the 4 corner numbers,the 4 central numbersand each of the 2×2 corner squares add to 34? who was Albrecht Dürer A Magic square is a grid where the sum of the numbers in each line, each column and … Read more

The Emperor’s Turtle

According to Chinese legend ,the first magic square appeared to the emperor Yu while he was walking beside the Yellow River more than 4000 years ago , on the shell of a turtle. In the square the sum of the numbers from 1 to 9 , in each row, column and diagonal add up to … Read more