Check out the slide show at this site . For a guide on how to ease the transition from F77 to F90, visit this site . Fortran 95 is a revised version of Fortran 90, that has many added features, such as pointer initialization and automatic de-allocation of arrays at exit of scoping unit. Note that there are some features present in Fortran 90 and 77 that are not available on Fortran 95, such as 'pause' statements and Hollerith editing in 'format'. To see what Fortran 95 is go to this site .
Compilers are better at finding syntax errors.
Semantic errors are legal in the Fortran language but are wasteful or may cause incorrect operation. For more information on ftnchek, go to this web page . 3.7 Gnuplot filename Gnuplot is a command-line driven interactive function plotting utility. It was originally intended as graphical program, which would allow scientists and students to visualize mathematical functions and data. Graphs may be labeled with arbitrary labels and arrows, axes labels, a title, date and time, and a key.