| ALERT | ⊕ 1960 | ↓ ↑ ⊕ Business Data Processing | ⊕ Algebraic | ⊕ United States | IR language |
| ALPHA | ⊕ 1960 | ↓ ↑ ⊕ Multi-purpose | ⊕ Algebraic | ⊕ United States | HLL for STRETCH-HARVEST |
| APT | ⊕ 1960 | ↓ ↑ ⊕ Non-numerical Scientific | ⊕ Algebraic | ⊕ United States | Polish notation algebraic language |