Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

In this video, you’ll learn how to sort names by last name in Excel, even when first and last names are in the same cell. We ...

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.

Java provides a data structure, the array, which stores a fixed-size sequential collection of elements of the same type. An array is used to store a collection of data, but it is often more useful to ...

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, ...