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MathGroup Archive 1998

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  • To: mathgroup at
  • Subject: [mg13371] PaddedForm
  • From: Andrew Watson <abwatson at>
  • Date: Mon, 20 Jul 1998 02:50:23 -0400
  • Sender: owner-wri-mathgroup at

Can anyone explain this?

PaddedForm[expr, n] prints with all numbers in expr padded to leave room
for a total of n digits.

In[98]:=  (12:9:35 on 7/18/98)

Out[98]//NumberForm=  (12:9:35 on 7/18/98) "001"

In[99]:=  (12:9:39 on 7/18/98)

Out[99]//NumberForm=  (12:9:40 on 7/18/98) "010"

In[100]:=  (12:9:45 on 7/18/98)

Out[100]//NumberForm=  (12:9:45 on 7/18/98) "0100"

NumberForm gives the same behaviour.

I would have thought that in all three cases, two digits would appear,
instead of three, or four.

My real need is simply to print integers with leading zeros for a fixed
number of digits.


Andrew B. Watson
MS 262-2
NASA Ames Research Center
Moffett Field, CA 94035-1000
(650) 604-5419	(650) 604-0255 fax
abwatson at

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