Professor Raúl Rojas has published a book about how symbols have been used throughout history in mathematics. The work was translated into English this year.

The asterisk (*) is the wildcard character that represents any sequence of characters, including when there are no characters at all. It’s the most flexible of the bunch, since it can replace any ...

The @ symbol can also appear in regular formulas outside of tables when Excel thinks you're trying to reference a single value from a range. If you see it pop up unexpectedly, it usually means Excel ...

Learn practical HYPERLINK tips, from dynamic sheet links and navigation buttons to XLOOKUP row jumps and tidy anchor text for client reports.

When you see the 5G symbol at the top of your phone, you probably assume you're getting faster internet speeds - the kind promised when it first arrived five years ago. Mobile networks told us that 5G ...

CHICAGO—President Trump’s immigration crackdown in Chicago, dubbed “Operation Midway Blitz,” has prompted an unorthodox form of high-pitched protest: whistles. Organizers have been sending out the ...

Meghan has previously opened up about how the two palm trees in her backyard have a special meaning to her and husband Prince Harry Rachel McRady is a Digital News Editor at PEOPLE. She has been an ...

It started as a harmless cartoon. Now it's a warning. A smiling skull with a straw hat — once the cheerful emblem of a pirate crew from the Japanese comic One Piece — has become a banner of rebellion ...

Lamassu are human-headed, eagle-winged, bulls or lions that once protected cities in Mesopotamia. They were believed to be very powerful creatures, and served both as a clear reminder of the king’s ...

Republican Rep. Dave Taylor said Thursday that his office was targeted as part of an elaborate “ruse” after an American flag reportedly altered to include a swastika was found in his Washington, DC, ...

For thousands of years, an art form has existed that includes works in a wide range of media, including bark painting, ceremonial clothing, painting on leaves, rock carving, watercolor painting, and ...