Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!caen!uakari.primate.wisc.edu!aplcen!simpson
From: simpson@aplcen.apl.jhu.edu (Simpson David Grant)
Newsgroups: comp.lang.apl
Subject: Re: Factorials in J
Message-ID: <1991Mar13.042856.23984@aplcen.apl.jhu.edu>
Date: 13 Mar 91 04:28:56 GMT
References: <1991Mar9.040541.28914@aplcen.apl.jhu.edu> <1991Mar11.202526.20774@jato.jpl.nasa.gov>
Reply-To: simpson@aplcen (Simpson David Grant)
Organization: Johns Hopkins University
Lines: 22

>|> In article <1991Mar9.040541.28914@aplcen.apl.jhu.edu>, simpson@aplcen.apl.jhu.edu (Simpson David Grant) writes:
>|> 
>|> Can someone explain what is happening when I try to calculate
>|> factorials in the following J session?  I do this right after
>|> starting up J (version 3):
>|> 
>|>    !9
>|> 362880
>|>    !174
>|> 1.7=e309
>|>    !9
>|> 1

>|> All following attempts to calculate factorials also produce 1.
>|> What gives?
>|> 
I got these results with J version 3 for the PC, running on my
Zeos 386.  I tried this same software today on an IBM AT (80286)
with different results -- it hangs the computer for !174, but 
does not answer "1" for every factorial like my 386 does.

                                    David Simpson