This have changed at my first job (a long time a go) the second day I got an hours crash course in RT/11 (a DEC OS) I was told to learn FORTRAN IV from McCrack

This have changed at my first job (a long time a go) the second day I got an hours crash course in RT/11 (a DEC OS) I was told to learn FORTRAN IV from McCracken (A Guide to Fortran Programming)