Saturday, October 19, 2013

No math required the appeal of sudoku puzzles


No Math Required: The Appeal Of Sudoku Puzzles


A growing number of people are showing that they're "hip to be square," thanks to a simple-seeming--yet, at times, deceptively difficult--number puzzle that's quickly becoming one of America's national pastimes.


No Math Required: The Appeal Of Sudoku Puzzles


A growing number of people are showing that they're "hip to be square," thanks to a simple-seeming-yet, at times, deceptively difficult-number puzzle that's quickly becoming one of America's national pastimes.

Sudoku is a number-based brain teaser that requires no math skills-just a bit of logic and deduction. Although variations have been introduced in recent years, sudoku is most frequently a 9x9 grid, filled with a few "starter" numbers.

The goal is to fill in the empty cells, one number in each, so that each column, row and 3x3 region contains the numbers 1 through 9 exactly once. Each number in the solution therefore occurs only once in each of three "directions," hence the puzzle's name, from the japanese words su ("number") and doku ("single").

Originally called simply Number Place, the first sudoku was created by Howard Garnes, a freelance puzzle constructor, in 1979. Decades la

 



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