Ansys, Inc. is an American company based in Canonsburg, Pennsylvania. It develops and markets multi-physics engineering simulation program for product design, testing and operation, and offers its products and services to customers all over the world. Anas was founded in 1970 by John Swanson. Swanson sold his interest in the company to venture capitalists in 1993. Anas was announced on nasdaq in 1996. In the 2000s, Ansys made several acquisitions of other engineering design companies, acquiring additional technology for fluid dynamics, electronics design, and other physical analyses. Anasis became a component of the NASDAQ-100 on December 23, 2019. Ansys idea was the first conceived by John Swanson while working at astronuclear Westinghouse Laboratory in the 1960s. At that time, engineers conducted a limited element analysis (FEA) by hand. Westinghouse rejected Swanson's idea of automating FEA by developing general purpose engineering software, so Swanson left the company in 1969 to develop the software on his own. Ansys founded under the name Swanson Systems Analysis Inc. (SASI) the next year, working from his ranch in Pittsburgh.Swanson initially developed Ansys software on punch cards and using a central computer that was rented by the hour. Westinghouse hired Swanson as a consultant, provided that any symbol he placed for Westinghouse could also be included in the Ansys production line. Westinghouse also became the first User of Answes.