(_5 + _4) = (-5) + (-4) 1 (-5 + -4) = -(5 + -4) 1
>> [mailto:[EMAIL PROTECTED] On Behalf Of > [EMAIL PROTECTED] > > If I input: > > -5 + -4 > > I get: > > _1 > > But when I input: > > a=. -5 > b=. -4 > a + b > > I get: > > _9 > > Any comments for a newbie - ( did APL about 30 years ago for > 6 months ) > > thanks > ---------------------------------------------------------------------- > For information about J forums see > http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
