Although mathematical puzzles may be related to complex mathematical theories, they are so large and vivid that even an ordinary person can easily understand it. Just like Sudoku

The fun of the turning point in the history of mathematics begins in 2000 BC on the shores of China's Yellow River. According to legend, the Emperor Yu saw a turtle coming out of the river. It is a sacred turtle with black and white spots under the belly. Speckles show the first nine numbers and the sum of these numbers (row, column and corner to corner) is 15. The Chinese call this square Lo Shu and believe that it symbolizes the inner balance of the universe. We also define it as the magic square nowadays.

Fun-filled hours can be spent playing with magic squares and marveling at the harmony of patterns. Perhaps for this reason many people, whether or not professional mathematicians since the 18th century, have gone into the epidemic of creating a magic frame.

One of them was the Swiss mathematician Leon…

The fun of the turning point in the history of mathematics begins in 2000 BC on the shores of China's Yellow River. According to legend, the Emperor Yu saw a turtle coming out of the river. It is a sacred turtle with black and white spots under the belly. Speckles show the first nine numbers and the sum of these numbers (row, column and corner to corner) is 15. The Chinese call this square Lo Shu and believe that it symbolizes the inner balance of the universe. We also define it as the magic square nowadays.

Fun-filled hours can be spent playing with magic squares and marveling at the harmony of patterns. Perhaps for this reason many people, whether or not professional mathematicians since the 18th century, have gone into the epidemic of creating a magic frame.

One of them was the Swiss mathematician Leon…