| MAGNET | ⊕ 1960 | ↓ ↑ ⊕ Business Data Processing | Optimisation and LP | ⊕ United States | Linear programming with matrix capabilities |
| MG/SAS | ⊕ 1963 | ↓ ↑ ⊕ Specialised Languages | Optimisation and LP | ⊕ United States | |
| UHELP | ⊕ 1969 | ↓ ↑ ⊕ Numerical Scientific | Optimisation and LP | ⊕ United States | Linear programing language |