Calcudoku (also known as "Square Wisdom") is a mathematical and logical puzzle. HOW TO PLAY The objective is to fill the grid in with the digits 1 through 9 (where 9 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 (÷). Digits may repeat within a block.

Sudoku Jigsaw is a logic-based, combinatorial number-placement puzzle. HOW TO PLAY Regular 9x9 Sudoku that row and column rules apply, but instead of a 3x3 grid they are nine Jigsaw shapes.

Sudoku X also called Diagonal Sudoku. HOW TO PLAY Each puzzle consists of a 9x9 grid containing given clues in various places. The object is to fill all empty squares so that the numbers 1 to 9 appear exactly once in each row, column, diagonal and 3x3 box.

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 (÷).* Unlike Killer Sudoku, digits may repeat within a block.

Numbricks is a type of logic puzzle. HOW TO PLAY It is played on a rectangular grid of squares. Some of the cells have numbers in them. The object is to fill in the missing numbers, in sequential order, going horizontally and vertically only. Diagonal paths are not allowed.

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 (

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 (÷).* Unlike Killer Sudoku, digits may repeat within a block. The puzzle books series contain: * 250 Hard Puzzles * 250 Master Puzzles * Handy 6 x 9 inch Book Layout * 6 Puzzles per Page * Ideal for Experts The book is for those who like logic and math problems. Decide, developing and improving.

Numbricks is a type of logic puzzle. It is played on a rectangular grid of squares. Some of the cells have numbers in them. The object is to fill in the missing numbers, in sequential order, going horizontally and vertically only. Diagonal paths are not allowed. Numbricks puzzles are similar to Hidato. The most important difference that it is only possible to move 1 node left, right, up, or down. The puzzle books series contain: - 125 Easy Puzzles - 125 Normal Puzzles - 125 Hard Puzzles - 125 Master Puzzles - Handy 6 x 9 inch Book Layout - 6 Puzzles per Page - Ideal for both Beginners and Experts. The book is for those who like logic and math problems. Decide, developing and improving.

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving CalcuDoku 9x9. After solving all the puzzles in this book, you will be a CalcuDoku Pro. You start with easy CalcuDoku puzzles and you gradually build your way up to extremely difficult CalcuDoku puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. CalcuDoku 9x9 Large Print - Easy to Hard is a collection of 276 puzzles: 72 easy CalcuDoku 9x9 puzzles 72 medium CalcuDoku 9x9 puzzles 72 hard CalcuDoku 9x9 puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this CalcuDoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzles in this book will appear in any of the other English PuzzleBooks.net books. CalcuDoku is also known as Square Wisdom, CanCan, MinuPlu, Mathdoku and Calcu-Doku.

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 (÷).* Unlike Killer Sudoku, digits may repeat within a block.