I’ve compiled fortran code from approx 1965. Works the same today. I don’t know of anything that is as compatible as standard Fortran code. That being said, qui

I’ve compiled fortran code from approx 1965. Works the same today. I don’t know of anything that is as compatible as standard Fortran code. That being said, quite a few vendor extensions are floating around, and often old codebases rely on a few of these.