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 ...

Discover the best free alternatives to Microsoft Excel. These powerful, feature-packed solutions will help you work smarter and faster by allowing you to create comprehensive spreadsheets and analyze ...

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...