Running 4K FORTRAN on a DEC PDP-8
Written by Lawrence Woodman on 14th July 2009
Tags: DEC, Fortran, PDP-8, Programming, Retro, Tutorials
4K FORTRAN was a subset of FORTRAN II and was the first high-level language available for the DEC PDP-8.  It consisted of two parts: the 4K FORTRAN Compiler (nicknamed "Fivetran") and the 4K FORTRAN Operating System.  The compiler was written by Larry Portner and the operating system was written by Henry Burkhardt.  The introduction of this compiler made the PDP-8 much easier to program and was particularly useful to those using the machine for scientific calculations.  Below is a guide to using 4K FORTRAN.

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