3 1/2“磁盘，与IBM兼容-该程序可用于生成钢筋混凝土结构的设计辅助工具。设计辅助工具的开发旨在满足ACI 318建筑规范的要求。美国、国际和欧洲公制单位。

3 1/2" disk, IBM compatible - Program can be used to produce design aids for reinforced concrete structures. The design aids have been developed to satisfy requirements of the ACI 318 Building Code. US, International, and European Metric units.