Our website provides a free download of EcosimPro 5.2.0. The software lies within Education Tools, more precisely Science Tools. This software is an intellectual property of EA Internacional.
From the developer:
EcosimPro is a first class modelling and simulation tool for modelling 0D or 1D multidisciplinary continuous-discrete systems and any kind of system based on differential-algebraic equations (DAE) and discrete events.
You may want to check out more software, such as Trachtenberg Speed Math, SatCalc or MathMatic, which might be related to EcosimPro.