Fortran has been the premier language for scientific computing since its introduction in 1957. Fortran originally was designed to allow programmers to evaluate for- las--FORmula TRANslation--easily on large computers. Fortran compilers are now available on all sizes of machines, from small desktop computers to huge multiproc- sors. The Guide to Fortran 2003 Programming is an informal, tutorial introduction to the most important features of Fortran...