Absolutely the best and easiest to use Werkzeuge for the steel construction industry. The feet and inches calculator accepts all commonly used types of feet and inches input. The simple interface makes it extremely easy to use. The toolbox inculdes a stair solver, triangle solver, circle solver, and a steel shapes viewer. The Resource Browser is a web browser with built in links to many valuable resources for the steel construction industry. The calculator can be closed to your system tray so it is always at your fingerips and ready to use. The units that can be shown are: Feet and Inches, Decimal Inches, Decimal Feet, and Millimeters. This feet and inches calculator has the ability to run in compact mode and accepts all input (including the feet and inches designators) from the numpad which make it extremely easy to use.