Ørjan Johansen

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Ørjan Johansen is an esoteric programming language enthusiast from Norway.

He has invented the languages CHIQRSX9+, Bag, Reaper and Malbolge Unshackled. He has also written several Unlambda implementations, including a (nearly meta-circular) one in Unlambda itself and one in INTERCAL.

He likes to prove other people's languages Turing complete (or sometimes not). Some of his more memorable cases are ///, Eodermdrome, subsets of Underload (with False as corollary), brainfuck with 3 unbounded cells, Qdeql, Fueue, Reversible Brainfuck, Jolverine, Gemooy, Emmental and Home Row. Some that turned out not to be Turing complete were Subtle cough and the functional subset of 0x29A.

See also

  • User:Oerjan is Ørjan Johansen's user page on this wiki.

External resources