DIFTRAN | ⊕ 1968 | ↓ ↑ ⊕ Multi-purpose | ⊕ Non Standard FIV | ⊕ Israel | Hebrew character based programming language |
FORDESK IV | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ Non Standard FIV | ⊕ Australia | Interactive FORTRAN IV |
FORMAT-FORTRAN | ⊕ 1968 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Non Standard FIV | ⊕ United States | |
LRLTRAN | ⊕ 1968 | ↓ ↑ ⊕ Experimental and other | ⊕ Non Standard FIV | ⊕ United States | Vector processing FORTRAN extension |