The Big Book of Logic Puzzles - Calcudoku 400 Normal (Volume 21) (Paperback) (ISBN-13: 9781544186634)

Calcudoku (also known as "Mathdoku") 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 (ﾗ), and division( ).- Unlike Killer Sudoku, digits may repeat within a block.

Author: Mykola Krylov
ISBN-10: 1544186630
ISBN-13: 9781544186634
Publisher: Createspace Independent Publishing Platform
Language: English
Published: 02/28/2017
Pages: 272
Format: Paperback
Weight: 0.81lbs
Size: 9.00h x 6.00w x 0.57d