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.

To access the Windows emoji keyboard press and hold the Windows key + the period key. You can use this shortcut in any app or ...

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 ...

In a move that brings it closer to the user-friendly features of macOS, Microsoft is finally introducing a dedicated shortcut ...