Xref: utzoo comp.lang.misc:3506 comp.arch:11492 Path: utzoo!attcan!uunet!bloom-beacon!eru!luth!sunic!maxim!prc From: prc@erbe.se (Robert Claeson) Newsgroups: comp.lang.misc,comp.arch Subject: Re: Fast conversions, another urban myth? Message-ID: <826@maxim.erbe.se> Date: 24 Sep 89 10:50:22 GMT References: <832@dms.UUCP> <688@UALTAVM.BITNET> <136@bbxsda.UUCP> <4125@cbnewsh.ATT.COM> <150@bbxsda.UUCP> Reply-To: prc@erbe.se (Robert Claeson) Followup-To: comp.lang.misc Organization: ERBE DATA AB, Jarfalla, Sweden Lines: 20 In article <150@bbxsda.UUCP> scott@bbxsda.UUCP (Scott Amspoker) writes: >>I have never done business-oriented calculations, but it seems to me, >>as an outsider, that calculating everything in pennies solves the round-off >>problems (but perhaps no others), doesn't it? >Because sometimes you need 3, 4, or more decimals places for calculations, >especially in some interest calculations. People have inventories where >the unit price of a small item is a fraction of a penny (such items >are bought in *large* quantities). Or, because sometimes you need to count many billions of amounts (I didn't say dollars because that's not what we count; however, the problem is the same) with 3, 4 or even more decimal places. Gimme a library of accurate, infinite-precision arithmetic routines, anytime. -- Robert Claeson E-mail: rclaeson@erbe.se ERBE DATA AB