From: ts Date: 2002-12-14T02:54:51+09:00 Subject: Re: Inheritance Question >>>>> "a" == ahoward writes: a> mm = MyMatrix[ [42] ] a> p mm.type # >> MyMatrix a> p mm.to_f.type # >> MyMatrix a = mm + Matrix[[12]] # p a.class ??? b = Matrix[[12]] + mm # p b.class ??? c = mm + mm # p c.class ??? Guy Decoux