ALGOL X | ⊕ 1964 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ Germany | Algol 60 revision proposal |
Basic FORTRAN | ⊕ 1964 | ↓ ↑ ⊕ Numerical Scientific | ⊕ FORTRAN IV standard | ⊕ United States | |
Constraint Algol | ⊕ 1964 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ United States | Algol 60 with constraints |
Extended ALGOL | ⊕ 1964 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ United States | |
IFIP ALGOL | ⊕ 1964 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ International | |
Klerer-May System | ⊕ 1964 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Algebraic | ||
MATHLAB | ⊕ 1964 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Arithmetic | ⊕ United States | Interactive maths language |
Proposal Writing Language | ⊕ 1964 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Plan languages | ⊕ United States | |
Schoonschip | ⊕ 1964 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Algebraic | ⊕ Switzerland | Symbolic maths |
STL Online Computer System | ⊕ 1964 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Algebraic | ⊕ United States | Improved version of Tanoga Park CFS |
VALGOL II | ⊕ 1964 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ United States | |
VPRPAK | ⊕ 1964 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Arithmetic | ⊕ United States | A set of subroutines to do variable precision and rational arithmetic |
Whetstone Algol | ⊕ 1964 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ United Kingdom |