You can probably think of a time when you've used math to solve an everyday problem, such as calculating a tip at a ...

The World Sudoku Championships start on Monday, with competitors from 31 countries set to spend 28 hours solving the toughest ...

No words are needed for animals to perform all sorts of problem-solving challenges outplay humans in a strategy game New ...

Without a good answer to his query he went ahead and built this Sudoku game using 81 Nixie tubes ... He’s even written a recursive solver which can be seen in the video after the break.

I found myself asking friends what I should do with this magic tool and getting little in ideas. I tried having it solve a ...

Connections is a New York Times word game that's all about finding the "common threads between words." How to solve the ...

Applied mathematicians have to find a balance between models that are realistic enough to be useful and simple enough to be ...

As an example of Excel's strength, a Reddit user even made a Sudoku solver using just Excel, and how it works is magnificent. Transform your data into insights by harnessing the power of pivot tables ...

16A. This is an evocative clue! [Blissful stretch] makes me think of a happy cat. The “stretch” in question is a span of time that lasts a while, if you’re lucky: It’s the HONEYMOON PERIOD.