The latest version of DirectMath is 3.2.1, released on July 26, 2017.
Version 3.2.1 for 64 bit Windows
Version 3.2.1 for Macintosh OS X
Version 3.2.1 for Ubuntu 18.04
Version 3.2.1 for Ubuntu 18.10
DirectMath software is now free on all platforms, and no longer requires an unlocking code.
To access online documentation, select DirectMath Documentation from the Help menu in DirectMath.
If you would like to publish web applications containing live DirectMath computations, here are the tools you will need.
Web tools for 64 bit Windows
Web tools for Macintosh OS X
Web tools for Ubuntu