VMGThermo is a set of software components used for the calculation of thermo-physical properties as well as flash calculations. VMGThermo is a carefully crafted set of application programming interfaces, which can be used to power any application which can benefit from high quality physical properties. VMGThermo includes interfaces for EXCEL, Visual Basic, Delphi, Visual C++, C, C++ and FORTRAN. If you know how to use a spreadsheet, you can use VMGThermo.