Excel spilled range operator (#) allows formulas to automatically adjust to changes in the spilled range size. You need to be using Excel for Microsoft 365 on Windows or Mac to make use of this handy ...

From the Romans to Twitter, the hash sign – or octothorpe – has had a rich history, and now this innocuous little character has found a mighty resurgence as the hashtag. What happened along the way?

The hash symbol – also known as the pound/number sign, or even the octothorp(e) as Macworld reader Keith points out – was one of the more rarely used special characters until Twitter and Instagram ...