>>> a=numpy.array(list('foabcdeef'),dtype=numpy.dtype("O")) >>> numpy.equal(a,'f') NotImplemented So where do I start implementing this ? core/src/ufuncobject.c ? Simon. -- Simon Burton, B.Sc. Licensed PO Box 8066 ANU Canberra 2601 Australia Ph. 61 02 6249 6940 http://arrowtheory.com