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, ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Marguerita is a Certified Financial Planner (CFP), Chartered Retirement Planning Counselor ...

In most schools nowadays, students use chromebooks. These chromebooks are usually locked down so you can't install games and other non-school related stuff. I believe this app should always have been ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

As I really liked the rpn application for the TI-89 but could not find a usable RPN implementation for the TI nSpire, I've created rpnSpire, a powerful RPN implementation with many features such as ...