| EPL | ⊕ 1974 | ↓ ↑ ⊕ Specialised Languages | Forecasting | ⊕ United States | Economic Programming Language |
| ESP | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | Forecasting | ⊕ United States | Econometric Software Package |
| TROLL | ⊕ 1973 | ↓ ↑ ⊕ On-Line | Forecasting | ⊕ United States | Array language for econometrics |