Fortran 95 Using FFortran 95 Using F is a tutorial introduction to Fortran 95 using the F subset of Fortran, consisting of its modern features. It does not contain many of the error prone features of the full language. It is ideal for learning Fortran and also for developing new programs, where a consistent style and portability are important. Because F is a subset of Fortran, everything learned about F is also valid for Fortran 95 and all programs that are written in