Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!mcsun!hp4nl!charon!jurjen
From: jurjen@cwi.nl (Jurjen NE Bos)
Newsgroups: comp.arch
Subject: sin(pi) (Was: Re: bizarre instructions)
Message-ID: <3028@charon.cwi.nl>
Date: 26 Feb 91 14:37:37 GMT
References: <KHB.91Feb21102723@chiba.Eng.Sun.COM> <15485@lanl.gov>
Sender: news@cwi.nl
Lines: 9

jlg@lanl.gov (Jim Giles) writes:

>Yes and no.  Yes, most users expect sin(pi) to be zero.  No, most
>users do _not_ expect sin(3.1415927) to be zero (or, whatever PI
>approximation you use).  Any user who needs trig functions should be

People owning a HP28 or HP48 know this.  This calculator indeed delivers 0 for
sin(pi), and 0.0548036651488 for sin(3.14159265359).  Note that the latter
value is correct to 12 digits.


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