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creating exact numbers, strange behavior

• To: mathgroup at smc.vnet.net
• Subject: [mg52960] creating exact numbers, strange behavior
• From: Matthias Gottschalk <gottschalk at gfz-potsdam.de>
• Date: Sat, 18 Dec 2004 03:59:33 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

Hi,

I try to convert machine number into an exact number. I do this the 
following way:

In[] = Quotient[7.*10^30,10^30]

Out[] = 7

that is fine.


In[] = Quotient[7.*10^99, 10^99]

Out[] = 7

still fine.


In[] = Quotient[7.*10^100,10^100]

Out[] = 6

????????, I think that is bad.
Or am I doing something wrong?


-- 

PD Dr. Matthias Gottschalk
GeoForschungsZentrum
Projektbereich 4.1
Telegrafenberg
14473 Potsdam
Germany

tel/fax  +49 (0) 331 288-1418/1402

• Follow-Ups:
  • Re: creating exact numbers, strange behavior
    • From: "Maxim A. Dubinnyi" <maxim@nmr.ru>
  • Re: creating exact numbers, strange behavior
    • From: DrBob <drbob@bigfoot.com>