A "slide show" demonstration, covering PROCON's MS-DOS software systems, can be downloaded by clicking on the link below:-
The demonstration is provided in the form of a ZIP file. Once downloaded to your computer, you can unzip the files to a directory of your choice. Then run the extracted PCDEMO.EXE Windows Installer file
The demonstration program describes the structure of PROBID, PROBILL, PROCOST, PROVALand PROPLAN - then displays some annotated screen shots - and also allows you to print out some typical reports from each package.
PROCON CONSTRUCTION SYSTEMS