All answers for Knowledge of programming languages
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Aldor
Algol 68
Axiom
C++
C++ (little)
Extensive
FORTRAN
Haskell
IBM360 (obsolete)
Java
Lisp
Maple
Maple programming language
Mathematica
More than I care to remember
OK
Objective Caml
Pascal
Perl
Python
SNOBOL4 (forgotten)
Scala
Various. A research area of mine.
Z80 (obsolete)
a little haskell
a little ocaml
c++
lisp (little)
lisp and scheme
many and well
maple
perl
prolog
python
sql
theory of computation