Artificial intelligence tools called large language models (LLMs), such as OpenAI's ChatGPT or Google's Gemini, can do a lot ...

In sudoku, you have to place the numbers 1 to 9 into a square 9-by-9 grid. There are nine 3-by-3 blocks within that grid and you have to place the numbers in each block, row and column so there are no ...

Can you crack Killer Sudoku's mathematical twist? The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9. In Killer Sudoku, the digits in each ...