Construction Master Pro Project Calculator

Essential tool for serious building pros contractors and architects. Calculates directly in feet inches fractions yards meters centimeters millimeters - including square or cubic formats of each. Converts to and from any dimensional formats instantly. Custom rafter keys give you common rafters regular and irregular hips valleys and jacks. Enhanced Stair key finds number of risers and treads riser height and tread width stringer length incline angle. New Pro features include; block and footing keys rafter cutting angles roof areas column/cone solutions backspace key and D.M.S. to decimal degree conversions. Also includes board feet estimating weight-per-volume conversions 3 memories paperless tape remembers last 20 entries and more. Includes 2 batteries (model No. LR44). Boxed.