This was approx 1990-1998. I was working for an actuarial partnership. Our software generated customer-specific actuarial FORTRAN code, with the generator and U

This was approx 1990-1998. I was working for an actuarial partnership. Our software generated customer-specific actuarial FORTRAN code, with the generator and UI in C. We used the Watcom compilers for both ends of the pipeline. They were top class, and still available AIUI.