The Mini Book of Logic Puzzles - Calcudoku 200 Extreme

By Mykola Krylov

Calcudoku (also known as "Mathdoku") is a mathematical and logical puzzle loosely similar to Sudoku.
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 (

• Format: Paperback
• Language: English
• ISBN: 1985825511
• ISBN13: 9781985825512
• Release Date: February 2018
• Publisher: Createspace Independent Publishing Platform
• Length: 140 Pages
• Weight: 0.43 lbs.
• Dimensions: 0.3" x 6.0" x 9.0"