To find out if a domain name is available, type it into the WHOIS search tool, hit Enter, and look at the results.

Have you ever been curious about who owns a website? Whether you're just curious or need to contact the owner for business reasons, finding out who is behind a domain can be very useful.

The problem of minimizing a concave function subject to linear inequality constraints may have many local solutions. Therefore, finding the global constrained minimum is a computationally difficult ...