Modellus 4.5 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this free Mac application is Pedro Duque Vieira. Modellus for Mac relates to Education Tools. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
Modellus is a freely available application that enables students and teachers to use mathematics to create or explore models interactively.
You may want to check out more Mac applications, such as Integrated Data Viewer Installer, UN-SCAN-IT Demo or ScienceMatrix, which might be similar to Modellus.