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Language peer sets for PDQ FORTRAN: United States↑ United States/1965↑ Designed 1965 ↑ 1960s languages ↑ Third generation↑ Early Cold War↑ Genus Fortran I-III Variants ↑ Numerical Scientific ↑ Fortran I-III Variants↑ Generation of Fortran I-III↑ Fortran family ↑ Fortran I-III Variants/1965↑ Generation of Fortran I-III/1965↑ Fortran family/1965↑ Fortran I-III Variants/United States↑ Generation of Fortran I-III/United States↑ Fortran family/United States↑ Numerical Scientific ↑ Numerical Scientific/1965↑ Numerical Scientific/us ↑ PDQ FORTRAN(ID:5955/pdq002)Purdue FORTRAN compileralternate simple viewCountry: United States Designed 1965 Genus: Fortran I-III Variants Sammet category: Numerical Scientific for either Pretty Darn Quick or Purdue Darn Quick extensions of FORTRAN II-D for the IBM 1620 from compl.lang.fortran "Way back (mid 60's), I worked with PDQ Fortran on an IBM 1620 mod II (60K digits RAM, 7 meg hard drive). I go hold of the assembler code for the compiler, a derivative of Fortran with Format, and inserted some code to give it access to the line printer for listings, plus a few other things such as indexing within I/O lists. The main advantage of PDQ over Fortran II-D was speed on a machine without floating point hardware (a factor of 3), since the floating point numbers were stored as single fields in "excess-50" notation" Related languages
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