Construction Master 5 Ft./Inch/Fraction Construction Calculator

It is the industry standard, an essential construction-math tool for building professionals. Built-in functions quickly solve linear, area and volume calculations. Instantly determine right-angles; calculate roof, rafter, framing and stair layouts. Find dimensions of circles, arcs and more. It is invaluable for completing plans, layouts, bids and estimates faster, with fewer errors, saving time and money. Product includes CD?ROM with English/Spanish ?How-To? Video and User?s Guides.