By default Windows calculator doesn't support order of operation, to enable the functionality you need to activate the scientific view, let me show you how.
Short, fun and easy to remember interesting facts from nature, science, space, sports and life in general. You are more then welcome to contribute yours.
It's highly recommended to protect your computer against Virus, Malware, Spyware and other potential threats. Microsoft Security Essentials is one of the better, free solutions.
Back in the days of Soviet Union, when there was no Photoshop available and space race was at its peak amazing and beautifully crafted propaganda illustrations were being created.