Just go to this link for downloading: https://sevensurveyor.com/software/. The list of software will be growing, I will load additional software when available.
Just leaving your comment about Software for Marine Cargo Surveyor.
Regards,
Surveyors / 65GTW3KC3KQP
PS: If you need the complete calculation software you could search on the web, it is available to buy online. For the ASTM Table complete version, you could check at this link http://www.astm.org/BOOKSTORE/ADJUNCT/ADJD125010.htm