A Sudoku puzzle consists of a 9x9 grid of squares ... and it's up to the solver to figure out how to fill in the rest of the squares to get to that end state. Mathematicians love counting things.

As an example of Excel's strength, a Reddit user even made a Sudoku solver using just Excel ... 3 The above formula is used to map one cell from a 9x9 Sudoku grid to one of the positions within ...

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.

The order was a tall one, but with the assembly of various industry-leading teams, and a multi-year effort, that order has now been fulfilled with a car they call the 9X9 and Kalmar is on its way ...

In the Ridulph case, there was no DNA, no confession by the killer. This mystery was solved by circumstantial evidence amassed over four years by bulldog cops and other outsiders who came to ...

A classic number puzzle game that improves problem-solving skills and logical thinking. Sudoku involves placing numbers in a 9x9 grid in such a way that every row, column, and 3x3 box contains ...

After writing a mathematical problem to represent a situation, the second step in the modeling process is to solve the problem. For Sudoku, we need to solve a collection of equations with 81 ...

Some people like crossword puzzles, some are serious sudoku ninjas, but [Andrea Favero] likes to keep himself sharp, by learning coding and solving control problems, and that is something we can ...

Un(re)solved tells the stories of lives cut short and examines a federal effort to investigate more than 150 cold cases that date back to the civil rights era. Enter a forest of quilted memories ...