Functions 3D 1.3 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 software is categorized as Education Tools. This free Mac application is a product of Benjamin Joffe. The most popular version among the application users is 1.3. This app's bundle is identified as com.operasoftware.Widget.Functions3D.
From the developer:
Functions 3D - Render 3D surfaces from mathematical expressions.
Enter a mathematical function and have it rendered in a 3D space.
Equations are entered as a function of x and y. An example for a unit sphere would be : f(x, y) = (1 - x^2 - y^2) ^ (1/2).
You may want to check out more software for Mac, such as Duke Nukem 3D, Tipard 3D Converter for Mac or CaniVIZ 3D Pro, which might be related to Functions 3D.
Device Assistants
3D Design