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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 compiler 

alternate simple view
Country: 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
FORTRAN II-D PDQ FORTRAN   Augmentation of

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