The history of Sudoku puzzles likely has it roots in the mathematical concept of Latin Squares.
Leonhard Euler, a Swiss mathematician, in the 1780's developed the idea of arranging numbers in such a way that any number or symbol would occur only once in each row or column. Latin Squares is used in statistical analysis.
Puzzles Will Help the Advanced Child
Do your children excel in school? Have they mastered the skills of their grades? Should they skip a level? If a child is out-performing other children, should they go forward in their schooling faster? These questions may be hard for a parent to answer.
Would An Effective Sudoku Strategy Help You Solve Your Sudoku Puzzle?
In this article you will learn how to apply a simple Sudoku strategy that will help you solve Sudoku puzzles. Additional advanced strategies are described in articles, SO JUST CLICK THIS LINK.
WHAT IS SUDOKU?
a sudoku puzzleSudoku
From Wikipedia, the free encyclopedia
Sudoku (数独, sūdoku?) is a logic-based placement puzzle. The objective is to fill the 9x9 grid so that each column, each row, and each of the nine 3x3 boxes contains the digits 1 to 9. The puzzle setter provides a partially completed grid so that there is only one solution.
Completed Sudoku puzzles are a type of Latin square, with an additional constraint on the contents of individual regions. Leonhard Euler is sometimes cited as the source of the puzzle, based on his work with Latin squares[1].
The modern puzzle was invented by an American, Howard Garns, in 1979 and published by Dell Magazines under the name "Number Place"[2]. It became popular in Japan in 1986, when it was published by Nikoli and given the name Sudoku. It became an international hit in 2005.
From Wikipedia, the free encyclopedia.
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