On-Screen Takeoff Pro is a professional software which allows users to create and mange plans.Miles ahead of just being an ordinary electronic plan viewer, On-Screen Takeoff Professional sets the industry standard in plan viewing and advanced takeoff software. Quickly count objects, measure straight and curved lengths, as well as calculate simple or complex areas and volumes with amazing speed and accuracy. Construction estimating & takeoff software for contractors & estimators from various trades: general contracting, concrete, interior walls & ceilings, flooring, painting, roofing, landscaping, firestopping, electrical, and masonry.