Calcu-Doku & Sudoku - Conceptis Puzzles (Creator)

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Every sudoku fan knows that this popular number puzzle has always flirted with math. But the two have never come together...until now! Meet Calcu-doku, the newest and sure to be hottest development in the sudoku world.All that's needed is simple arithmetic, so even solvers who aren't mathematically inclined will have fun. Each puzzle looks like a ...

Calcu-Doku & Sudoku 2009, Puzzlewright, New York

ISBN-13: 9781402765834

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