Hamish, at 18:24 on Jun 29 1995, you wrote ...

PS>>> what do get if you multiply seven by nine (or words to 
PS>>> that efect, but the answer of 42 did not equal the sum 
PS>>> asked)
>> Of course it does - if you are using base 13 maths.

HM> Actually seven by nine is not 42(thirteen).. :-) Six by nine 
HM> is, though.

Well done - I wondered if anyone would spot the deliberate error :-)

David
@EOT:

--- Msgedsq 3.10