It includesten modules for the analysis and design of multi-span and cantilever beams, laterally loaded columns, floor joists, roof rafters, rectangular footings and continuous footings.

• 它包括10中模型用于分析和设计多指距和悬梁，侧面安装栏，地板托梁，屋顶椽，成直角的地位和连续的地位。