SUDOKU

Sudoku puzzles are popular all over the world are considered to be originated in Japan by most of the people since the word " SU " in Japanese means " NUMBER " & the word " DOKU " in Japanese means " ONLY ".Therefore in Japanese Sudoku means in ONLY NUMBER.However Sudoku did not originate in Japan, it was invented by Swiss mathematician Leonardo Eular born in Basel: in 1707.

In the year 1783 Leonard Euler introduced the square as 'THE NEW KIND OF MAGIC SQUARE but the Sudoku invented by Euler was not divided into 81 squares.The Sudoku with which we are familiar now was first published in 1970 in Dale Magazine which publishes mathematical puzzles. In the Dale Magazine for the first time the Sudoku square was further divided into 81 squares.In Japan Sudoku became very popular in 1986.