#fortran
They are: integer, real, character, logical
The code starts in column seven
A jump label or format label
Originally developed by IBM[1] in the 1950s for scientific and engineering applications
An exclamationmark ! anywhere on the line
An ampersand & at the end of a line
Fortran is a programming language often used by the scientific community
October 1956, with the first FORTRAN compiler delivered in April 1957