“A cryptarithm, also known as an alphanumeric puzzle, uses symbols to denote numbers in a number...Cryptarithms
“Recreational mathematics consists of mathematical games and puzzles that are often designed for...Recreational mathematics
“Sudoku (also spelled Su Doku and originally called Number Place) is a game of logic, often...Sudoku
“In number theory, a polite number is a positive integer that can be written as the sum of two or...Trapezoidal number
“The Mystery Calculator fun game from a christmas cracker. It asks you to think of a number (no...Mystery calculator
“A Pantriagonal Diagonal magic cube is a magic cube that is a combination Pantriagonal magic cube...Pantriagonal diagonal magic cube
This category has only the following subcategory.
- [×] Magic squares (1 P)