The latest formal release of C-Master is: 13.01.00 (02 February 2026)

The differences refer to the Full-Screen (aka “Classic”) version of C-Master (9.5.03 and earlier). The following is a list of some of the differences between the previous versions of C-Master (DOS, PDP, VAX, etc.) and the 32-bit “fill-in the blanks” version. The Windows-only version has other differences. This list does not cover differences in menu […]

Coordinates are a central part of the C-Master system. The 32-bit version handles NAD27 (the old system), NAD83, and WGS84 datums. You have a range of options available for the entry and display of coordinates and datums. Even though multiple datums are supported, please be aware that C-Master is not a GIS program, and coordinate integrity […]

The following features have been requested/added to C-Master since the 32-bit transport began in October 2014. If a feature is struck out, it has been implemented and tested. CIMPORT_F95: Allow selection of files to import using a text file generated by CCATALOG. ​This feature has also been added to log strip generation, and projects and […]

C-Master generates output data that is compatible with these two popular programs. The PETRA interface builds a *.LIC file from a strip log, allowing it to be directly imported into PETRA. The LIC file is built from the lithology log data in real time during log strip generation. Change the log, re-run your PETRA log […]