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==Software== IBM software for the 1401 included: * [[IBM 1401 Symbolic Programming System|1401 Symbolic Programming System]] assembler. * [[Autocoder]] on Tape, a more advanced assembler, required at least 4000-character memory and four tape drives. * Autocoder on Disk, similar to, but not compatible with, Autocoder on Tape, required at least one 1311 disk drive. * [[COBOL]] required at least 4000-character memory and four tape drives. * [[FARGO (programming language)|FARGO]] (Fourteen-o-one Automatic Report Generation Operation), a predecessor of RPG, required at least 4000-character memory. * [[Fortran#History|FORTRAN II]] required at least 8000-character memory; the 1401 Fortran compiler is described in Haines, L.H. (1965), below. The Fortran compiler, to generate code for small memories, used a pioneering form of interpreted "[[p-code machine|p-code]]" although its programmers had no name for what it was that they did. * [[FORTRAN IV]] required at least 12000-character memory and either four tape drives or at least one [[IBM 1311]] disk drive. * [[IBM RPG|RPG]] (Report Program Generator); Basic RPG required at least 4000-character memory. For the IBM Catalog of 1401 software, see [[IBM 1400 series]]. <!---- used "See ..." rather than copying the reference here since much the software runs on more than one machine and it would be better to have details in one place (assuming the descriptions of software at the 1400 series article will grow). Should the items here be moved to the 1400 series article? Put another way, do the above items apply to the 1440? 1460?? --->
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