| IFTRAN | ⊕ 1973 | ↓ ↑ ⊕ Multi-purpose | ⊕ Non Standard FIV | ⊕ United States | FORTRAN for structured programming |
| MORTRAN | ⊕ 1973 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Non Standard FIV | ⊕ United States | Dialect of FORTRAN for structural programming |
| SPIFFY | ⊕ 1973 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Non Standard FIV | ⊕ United States | Structured FORTRAN IV from BOEING |