Magic Square


The magic square was discovered marked on the back of a turtle emerging from a river in China c.2200BC.

The Lo Shu magic square

A magic square is a set of numbers arranged in a square where the sum of the numbers in each row and in each column and or each diagonal is the same.
The number 15 is called the magic number of the 3x3 square.

 4   9   2 
3 5 7
8 1 6