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.

New research sheds light on a cross-shaped pit found at Aguada Fénix, a monumental complex discovered several years ago ...

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 ...

Their new tool ‘Oz’ turns decades of agricultural data into actionable insights to help farmers adapt to the pressures of ...

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