John Feather argues that Sudoku is a matter of logic, not maths, because the numbers used are merely representative symbols (5 November, p 21). However, much of modern mathematics does not deal ...

In fact, it reduces all logical problems to symbols that can be manipulated. Ultimately, in the field of computer science, that logic would prove extremely useful.

In Excel, Boolean logic (a fancy name for a simple condition that’s either true or false) is one way to sift specific data or results from a large spreadsheet. Granted, there are other ways to ...

Google quietly dropped the use of the + (plus) symbol to link search items in a move the Mountain View, Calif. company says will simplify the process of Boolean searching, according to Iain ...

Learn how the centuries-old Boolean logic can be used to extract precisely controlled SEO data from Google.

The Boolean logic gates AND, OR and NOT comprise transistors, which are on/off switches wired together. Gates have one or two inputs but only one output, and they are wired in patterns that make ...

In May, the iconic Dow Jones Industrial Average (DJINDICES: ^DJI) celebrated its 129th "birthday" since its official inception. Over this time, we've witnessed the Dow blossom from an industrial stock ...

A symbol of real American West Waterfall: The site is a logical stop for tourists retracing the path Lewis and Clark took on their expedition almost 200 years ago, but finding the Great Falls in ...