Re: ScientificForm[], formating question

*To*: mathgroup at smc.vnet.net*Subject*: [mg112855] Re: ScientificForm[], formating question*From*: Peter Breitfeld <phbrf at t-online.de>*Date*: Mon, 4 Oct 2010 06:03:36 -0400 (EDT)*References*: <i89bs9$jd7$1@smc.vnet.net>

"Nasser M. Abbasi" wrote: > Mathematica experts: > > > I can't get ScientificForm[] to always show 4 digits to the right of > the decimal point. > > Example: > > n = 0.087540; > m = 0.087549; > > ScientificForm[Column[{n, m}], 5, NumberFormat -> (Row[{#1, "E", #3}] > &)] > > > This prints like this: > > 8.754E-2 > 8.7549E-2 > > Which is correct, but I want it to display as > > 8.7540E-2 > 8.7549E-2 > > So that all numbers in the table has the same number of digits. so > 'nicer' to look at. > > The problem in this example, n has a zero at the last position, and so > is not shown (correctly), but I want 4 digits there. > > I looked at all the options for ScientificForm and do not see how to > do it. > > thanks > --Nasser > Hi Nasser, I found by trial and error that you can use the following: ScientificForm[Column[{n, m}], {5, 4}, NumberPadding -> {"", "0"}, NumberFormat -> (Row[{#1, "E", #3}] &)] This seems to be a lack in Documentation, because ScientificForm[expr,{n,f}] is not told about in the help. But it seems to go like NumberForm. //Peter -- _________________________________________________________________ Peter Breitfeld, Bad Saulgau, Germany -- http://www.pBreitfeld.de