The text trap: If you select numbers and the status bar stays blank (or only shows the Count), your numbers are formatted as text—and Excel can't sum words! This tells you that you should click the ...

Perovskite-silicon tandem solar cells are considered a key technology for photovoltaics. Because of their design, they use ...

It's cleaner and less cluttered: The double-unary operator is the most concise way to apply a mathematical coercion operation to an array. For example, if you have a complex nested array formula, two ...

Microsoft CEO Satya Nadella has reacted to an old video of him giving a presentation about how Excel works. Nadella responded to the clip from 1993, saying that he still continues to have the same ...