SAP2000 offers a single user interface to perform modeling, analysis, design, and reporting. The SAPFire Analysis Engine can support multiple 64-bit solvers for analysis optimization and can perform both eigen analysis and Ritz analysis. Parallelization options are available to take advantage of multiple processors. DirectX graphics enable full 2D and 3D drafting and selection capability. Notable meshing features include the ability to merge independently defined meshes among frame, shell and solid objects, coordinate tessellation with object orientation, and observe material boundaries to establish effective aspect ratios. SAP2000 offers a wide range of code-based design features for steel frame, concrete frame, cold form steel, and aluminum frame.