This app is not a toy; it ’ s a powerful, easy-to-use structural engineering calculator with ambitions to reach the clouds.
The developer, IProBlue Tech., Fort Lee, N.J., says [steel hd], for the iPad, is based on a database comprising American Institute of Steel Construction manuals. It also has libraries with all the structural-steel profiles available in the U.S., Canada and the U.K. An Android version is on the way.