AS 3642.1 – Computer graphics – Graphical Kernel System (GKS) language bindings – FORTRAN
Specifies a standard binding for the FORTRAN computer programming language under the Graphical Kernel System (GKS), the functional description to which is given in AS 2880, Computer graphics – Graphical Kernel System (GKS). It is identical with and has been reproduced from ISO 8651-1:1988.