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 @ 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.

REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a ...

Apple and Microsoft have a lot in common beyond being two of the most valuable and recognizable brands in the world. Both companies were launched in the mid-1970s and helped kick-start the personal ...

We wear it on necklaces, wave it on flags, and carve it into our memories. But the Magen David was never meant to be just a badge of identity. It’s a map — a diagram of consciousness. Its two ...

Microsoft aims to produce the majority of its new products including laptops and servers outside China as early as next year, Nikkei Asia reported. The move is part of the U.S. tech giant’s ongoing ...