The Big Book Of Logic Puzzles - Calcudoku 400 Easy (Volume 31)

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 (?), and division(?).* Unlike Killer Sudoku, digits may repeat within a block.

Author: Mykola Krylov

Publisher: CreateSpace Independent Publishing Platform

Publication Date: Mar 24, 2017

Number of Pages: 270 pages

Language: English

Binding: Paperback

ISBN-10: 1544908776

ISBN-13: 9781544908779