| ALGOL | ⊕ 1958 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True Algol58s | ⊕ International | ALGOrithmic Language |
| ALGOL 58 | ⊕ 1958 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True Algol58s | ⊕ International | Algorithmic Language |
| IAL | ⊕ 1958 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True Algol58s | ⊕ International | International Algebraic Language |