Like most people, I've been using search engines to do math for some time now. It's just ridiculously easy for basic calculations or unit and currency conversions, especially because I'm almost always using a web browser when I'm on my PC. However, I recently opened the Calculator app on Windows 11 and discovered that it can do a lot more than just simple calculations. The app can perform unit conversions, currency conversions, and even calculate the difference between any two dates. Since Calculator...