Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!border3.nntp.ams.giganews.com!backlog3.nntp.ams.giganews.com!Xl.tags.giganews.com!border1.nntp.ams.giganews.com!nntp.giganews.com!local2.nntp.ams.giganews.com!nntp.eclipse.net.uk!news.eclipse.net.uk.POSTED!not-for-mail
NNTP-Posting-Date: Thu, 08 May 2014 02:39:19 -0500
From: David Hume <David.Hume@example.com>
Newsgroups: comp.misc
Subject: Re: Calculator Accuracy
References: <lkfa27$661$1@dont-email.me>
Date: Thu, 08 May 2014 08:39:13 +0100
Message-ID: <83oaz81zz2.fsf@example.com>
Organization: Linux Private Site
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.2 (gnu/linux)
Cancel-Lock: sha1:ZB04NgzwYxr3gfToVppCvWCGLy8=
MIME-Version: 1.0
Content-Type: text/plain
Lines: 18
X-Usenet-Provider: http://www.giganews.com
NNTP-Posting-Host: 81.168.48.70
X-Trace: sv3-QBQC5K0k2qVd+9oQZExH/hBweU0Tz7f+PNVrC16075xMZAQWtu/YHVzwiQzEpVa0AtCOlMBbVpOUbhl!PRfCsULEZQuT11r59F5/ZMRRnIVO0yuSOhorViUuy7xakyJnzJuUIRoeCMqbcEQepLE=
X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers
X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly
X-Postfilter: 1.3.40
X-Original-Bytes: 1372
Xref: csiph.com comp.misc:2683

Gordon Henderson <gordon+usenet@drogon.net> writes:

> Doing it using my RTB BASIC (standard IEEE 64-bit doubles), I end up
> with -3.606714927e-11.
>
> Gordon

xcalc returns

-3.59605e-11

I tried pgcalc but it defaulted to radians and I couldn't see a degrees
button.

emacs calculator:

1:  6.129e-7