Some engineering offices historically preferred 9.7.x over newer versions because they found results for specific elements, like columns and shear walls, to be more consistent with their established design templates [13]. Learning Curve: It is widely regarded as easy to learn

: Capable of non-linear static analysis to determine force-displacement relationships.

Alternatively, use the (free download from official CSI site) – it can open v9 files for viewing and printing without analysis.