The documents [Ken Iverson I presume] assert j sentences should be read left to right. Thus +`*/n where 1<#n is always sum of two items despite the odd/even parity of #n. Continue reading rightward to learn details.
> Date: Tue, 31 Aug 2010 13:58:39 +0200 > From: "R.E. Boss" <[email protected]> > Subject: Re: [Jprogramming] Why `3: > To: "'Programming forum'" <[email protected]> > Message-ID: <[email protected]@planet.nl> > Content-Type: text/plain; charset="us-ascii" > > Remarkable with / or `:3 is the order of insertion. > In http://www.jsoftware.com/help/dictionary/d612.htm it is illustrated > that > (+`*/ 1 2 3 4 5) -: (1+2*3+4*5) > But what about +`*/ 2 3 4 5 ? > I would have thought it to result in 46, being 2*3+4*5 , insertion > being > done from the right side, right-to-left being the predominant > direction. > However > > +`*/2 3 4 5 > 29 > > is equal to > > 2+3*4+5 > 29 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
