Hello, It seems to me that Fortran is a very efficient language for performing math and logic operations. Can I call functions written in Fortran from COBOL? Leslie -- Platform: Linux Distribution: openSUSE Leap 15.4 (x86_64) cobc (GnuCOBOL) 3.2-preview.0 Built Nov 10 2022 17:36:35 Packaged Oct 23 2022 01:26:05 UTC