Fortran Wiki
Fortran 90

Fortran 90 was a major revision to FORTRAN 77. It introduced many new features and, although it didn’t delete any features, several were identified as “obsolescent.”

The full text of the Fortran 90 standard is available in PDF format here: ftp://ftp.nag.co.uk/sc22wg5/N001-N1100/N692.pdf.

New Features

Obsolescent Features