| Boehm | ⊕ 1951 | ↓ ↑ ⊕ Numerical Scientific | ⊕ W European algorithmic systems | ⊕ Switzerland | First operator precence language |
| Klammerausdr죫e | ⊕ 1951 | ↓ ↑ ⊕ Numerical Scientific | ⊕ W European algorithmic systems | ⊕ Switzerland | algebraic language |
| Whirlwind | ⊕ 1951 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Other US historic | ⊕ United States | Autocode for MIT Whirlwind |