A Step by Step Logical approach to solving the Sudoku Puzzle

http://www.sudokusolver.co.uk/step.html

9 by 9 Sudoku Solver

http://www.sudoku-solutions.com/

Sudoku Solver by Andrew Stuart

http://www.sudokuwiki.org/sudoku.htm

SudokuSolver.net

http://sudokusolver.net/

Sudoku Solver: a utility from DeadMan’s Handle

http://www.sudoku-solver.com/

The Science of Sudoku

http://www.scottkim.com/thinkinggames/exploratorium06/the-science-of-sudoku.html

Sudoku algorithms

http://en.wikipedia.org/wiki/Algorithmics_of_sudoku

The hardest Sudoku

http://forum.enjoysudoku.com/the-hardest-sudokus-new-thread-t6539.html

How regular is to generate Sudoku with difficulty 9+-SE?

http://forum.enjoysudoku.com/how-regular-is-to-generate-sudoku-with-difficulty-9-se-t5336.html

sudoku by gsf (Popular for rating the hardest Sudokus)

http://www2.research.att.com/~gsf/man/man1/sudoku.html

suexrat9 by dukuso (Popular for rating the hardest sudokus)

http://magictour.free.fr/sudoku.htm

Sudoku creator/solver using Php

http://www.emanueleferonato.com/2008/12/09/sudoku-creatorsolver-with-php/

Excel Formula Based Sudoku Solver

http://www.excelhero.com/blog/2010/07/excel-formula-based-sudoku-solver.html

Interactive Javascript Sudoku solver with source code for Ruby, Python, and Objective-C

http://www.alben.com/s.html

Killer Sudoku

http://en.wikipedia.org/wiki/Killer_Sudoku

Kakuro: The new grid on the block

http://www.guardian.co.uk/g2/story/0,,1569223,00.html

Kakuro Solver

http://kakuro-solver.blogspot.com/

SAAM’s Kakuro Solver: Java Applet

http://www.saam007.com/java/?JApp=KakuroSr

Author: Gilbert Tan TS

IT expert with more than 20 years experience in Multiple OS, Security, Data & Internet , Interests include AI and Big Data, Internet and multimedia. An experienced Real Estate agent, Insurance agent, and a Futures trader. I am capable of finding any answers in the world you want as long as there are reports available online for me to do my own research to bring you closest to all the unsolved mysteries in this world, because I can find all the paths to the Truth, and what the Future holds. All I need is to observe, test and probe to research on anything I want, what you need to do will take months to achieve, all I need is a few hours.​

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