| DART | ⊕ 1959 | ↓ ↑ ⊕ Numerical Scientific | Strict Early Fortrans | ⊕ United States | Simplified FORTRAN + brackets |
| FORTRAN II | ⊕ 1958 | ↓ ↑ ⊕ Numerical Scientific | Strict Early Fortrans | ⊕ United States | FORTRAN v2 |
| FORTRAN III | ⊕ 1958 | ↓ ↑ ⊕ Numerical Scientific | Strict Early Fortrans | ⊕ United States | Interim Fortran |
| PAF | ⊕ 1957 | ↓ ↑ ⊕ On-Line | Strict Early Fortrans | ⊕ France | Conversational programming language |