Construction Master Pro
Advanced Feet-Inch-Fraction Construction-Math Calculator by Calculated Industries, built with the same features and functions, and with the same core engine that powers the industry-standard advanced construction-math calculators from Calculated Industries. You’ll actually get two apps in one, since the Construction Master Pro for iPhone has all the functionality of the Construction Master Pro and the Construction Master Pro Trig -– and includes a full User’s Guide built in, as well as the ability to press and hold a key for specific help!
Ideal for Architects, Builders, Contractors, Designers, Draftspersons, Engineers, Framers/Carpenters and Tradesmen
More information: https://itunes.apple.com/us/app/construction-master-pro-advanced/id370406446?mt=8