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MathGroup Archive 2004

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Re: How to printout more digits?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg46153] Re: How to printout more digits?
  • From: Bill Rowe <readnewsciv at earthlink.net>
  • Date: Mon, 9 Feb 2004 05:54:02 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

On 2/7/04 at 11:36 PM, meshii at mech.fukui-u.ac.jp (Toshiyuki (Toshi)
Meshii) wrote:


>I want to print out (or write to a file) outputs with more than 9
>digits. For example, I know that

>Print[ N[Pi, 9] ] returns 3.14159265 ,which is OK.

>But, Print[ N[6. * Pi, 9] ] returns 18.8496 which is only 6 digits
>and not what I expected.

This is because 6. is a low precision number. You cannot get more precision in a result than the precision of the arguements.

Try Print[N[ 6 Pi, 9]]

>Does anybody know how to print out outputs with more than 9 digits?

>In addition, I want to write the outputs in a file, such as csv
>files. If you know ideas for this, please let me know too.

Try Export["test.txt", N[{Pi,6 Pi},9], "CSV"]
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