Re: Error in Subtraction with V4.0??
- To: mathgroup at smc.vnet.net
- Subject: [mg22533] Re: Error in Subtraction with V4.0??
- From: Harald Giese <giese at ifm.uni-hamburg.de>
- Date: Thu, 9 Mar 2000 03:24:21 -0500 (EST)
- Organization: Institut fuer Meereskunde, Universitaet Hamburg
- References: <8a5100$d6g@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
BEIntInc wrote: > > Can someone please explain why > > 1. - .999999999999 > > results in > 9.999778782798785*10^-13 > > The old way (by hand) gives me > > 1x10^-12 > > Is this an error or am I missing something? > Hi, Have a look at chapter 1.1.2 "Exact and Approximate Results" in the "Mathematica Book" (or in the online help). Regards, Harald -- Harald Giese Email: giese at dkrz.de Phone: +49 (0)40 42838 5796; Fax: +49 (0)40 5605724 Institut fuer Meereskunde der Universitaet Hamburg (Institute of Oceanography of the University of Hamburg) Troplowitzstrasse 7, D-22529 Hamburg