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Complex Math Puzzles: CalcuDoku Puzzles - The Best Japanese Puzzles Collection by Jeff Heldt

Complex Math Puzzles: CalcuDoku Puzzles - The Best Japanese Puzzles Collection

by Jeff Heldt
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Book cover type: Paperback
  • ISBN13: 9781719873512
  • Binding: Paperback
  • Subject: N/A
  • Publisher: Independently Published
  • Publisher Imprint: Independently Published
  • Publication Date:
  • Pages: 116
  • Original Price: USD 10.24
  • Language: English
  • Edition: N/A
  • Item Weight: 182 grams
  • BISAC Subject(s): Logic & Brain Teasers

CalcuDoku is a mathematical and logical puzzle loosely similar to sudoku. It was invented by a Japanese mathematics teacher Tetsuya Miyamoto. The objective is to fill the grid in with the digits 1 through N (where N is the number of rows or columns in the grid) such that:
- Each row contains exactly one of each digit.
- Each column contains exactly one of each digit.
- Each bold-outlined group of cells (block) contains digits which achieve the specified result using the specified mathematical operation: addition (+), subtraction (-), multiplication (×), and division ( ).
- Unlike Killer Sudoku, digits may repeat within a block.

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