Re: Math calculations

Article View: borland.public.jbuilder.java.language

Article #16511

Back to borland.public.jbuilder.java.language Previous Next

#16511

From: flashback
Date: Thu, 18 Feb 1999 00:00

32 lines
1389 bytes


Tor Iver Wilhelmsen schrieb:
> 
> "Kerry Helmer" <khelmer@parlorcity.com> writes:
> 
> >This returns 0.9899999999999949 instead of .99  Can someone help explain to
> >me what I'm doing wrong?
> 
> You're not, but the IEEE floating point standard has problems
> expressing some numbers.
> 
> > Does anybody have some rules to follow that would help me when performing
> > math operations?
> 
> Use integers for currency. (that is, represent e.g. $1.69 with the
> number 169).
>
another possibility is to use objects of the class java.math.BigDecimal

regards

gregor

-- 


the best is yet to come...

http://www.netcologne.de/~nc-schneigr
icq-# 14100227
public key available at pgp.ai.mit.edu

Technical Details

Message-ID: <36CBB2D3.4EEE0E21@netcologne.de>

Path: arc1-ca.pugleaf.net!unknown!not-for-mail

References: <7acd6l$6vc20@forums.borland.com> <usoc5whqu.fsf@sds.no>

Show Full Headers

Complete Article Headers

X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: f74b3,587049a5d7e832c
X-Google-Attributes: gidf74b3,public
From: flashback <flashback@netcologne.de>
Subject: Re: Math calculations
Date: 1999/02/18
Message-ID: <36CBB2D3.4EEE0E21@netcologne.de>
X-Deja-AN: 445604553
Content-Transfer-Encoding: 7bit
References: <7acd6l$6vc20@forums.borland.com> <usoc5whqu.fsf@sds.no>
To: Tor Iver Wilhelmsen <tor.wilhelmsen@sds.no>
X-Accept-Language: en,de
Content-Type: text/plain; charset=us-ascii
Organization: Another Netscape Collabra Server User
Mime-Version: 1.0
Reply-To: flashback@netcologne.de
Newsgroups: borland.public.jbuilder.java.language

Reply to Parent Message