HYSYS is able to perform many of the core calculations of chemical engineering, including those concerned with mass balance, energy balance, vapor-liquid equilibrium, heat transfer, mass transfer, chemical kinetics, fractionation, and pressure drop.
[2] HYSYS is used extensively in industry and academia for steady-state and dynamic simulation, process design, performance modeling, and optimization.
[3][4] HYSYS is a portmanteau formed from Hyprotech, the name of the company which created the software, and Systems.
[3] HYSYS was first conceived and created by the Canadian company Hyprotech, founded by researchers from the University of Calgary.
[7] In May 2002, AspenTech acquired Hyprotech, including HYSYS for approximately $99 million.