Tuesday, June 26, 2007

"Sudoku Flexes Math Muscles"

Some math behind the popular math puzzles...

No addition or multiplication is used to solve the puzzle, but that doesn't mean no math is involved - it's just hidden under the surface.

Computer programs use logic to generate the puzzles and rank their difficulty. Mathematical thinking is required to reason to a solution. And in a recent study, mathematicians have been able to determine when a puzzle will have more than one solution.
Read the rest of the story here

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