Basic FORTRAN |
⊕
1964
|
↓
↑
⊕
Numerical Scientific
|
FORTRAN IV standard
|
⊕
United States
|
|
BTL Fortran |
⊕
1967
|
↓
↑
⊕
Numerical Scientific
|
FORTRAN IV standard
|
⊕
United States
|
Bell labs Fortran IV |
DEFT |
⊕
1973
|
↓
↑
⊕
Numerical Scientific
|
FORTRAN IV standard
|
⊕
Canada
|
Structured FORTRAN |
DELtran |
⊕
1975
|
↓
↑
⊕
On-Line
|
FORTRAN IV standard
|
⊕
United States
|
Fortran interpreted to DEL |
FORTRAN IV |
⊕
1962
|
↓
↑
⊕
Numerical Scientific
|
FORTRAN IV standard
|
⊕
United States
|
first major release of FORTRAN |
RC-Fortran |
⊕
1968
|
↓
↑
⊕
Numerical Scientific
|
FORTRAN IV standard
|
⊕
Denmark
|
Fortran for the RC 4000 |
WATFIV |
⊕
1969
|
↓
↑
⊕
Numerical Scientific
|
FORTRAN IV standard
|
⊕
Canada
|
Waterloo FORTRAN 2nd version |
WATFOR |
⊕
1966
|
↓
↑
⊕
Numerical Scientific
|
FORTRAN IV standard
|
⊕
Canada
|
WATerloo FORtran |