Developer's DescriptionBy Construction WizardThis pro edition features a no nonsense approach to calculate anything to with construction.This pro edition features a no nonsense approach to calculate anything to with construction. If your wanting to advance yourself in construction, then you need this (the most valuable tool in the toolbox.)Featuring a collection of wizards that guide you through:Diagonals for squaring up layoutsStairsCommon raftersLean-to raftersJack raftersHip roof (complete and works with different pitches)Gable studsRoof decking