# to tilde or not to tilde

Paulo Ney de Souza pauloney at gmail.com
Mon Oct 7 18:33:39 CEST 2019

Yes, they do say that.

PN

On Mon, Oct 7, 2019 at 9:31 AM Peter Wilson <herries.press at earthlink.net>
wrote:

> "The Printing of Mathematics" by Chaundy, Barrett, and Batey, Oxford
> University Press, 1954,  says that mathematics should be punctuated as
> normal text. For instance, if a formula is at the end of a sentence then
> it should be followed by a full stop (period).
>
> "Mathematics into Type" by Ellen Swanson, American Mathematical Society,
> 1999, shows many examples of punctuating math with commas and periods.
>
> Peter W.
>
>
> On 06/10/19 23:29, Schneider, Thomas (NIH/NCI) [E] via texhax wrote:
> > Paulo:
> >
> >> NO centered mathematical formula should contain any punctuation at
> >> the end of the line -- even if it is to terminate a sentence.
> >>
> >> Punctuation have a role in typography -- to introduce a pause at
> >> reading -- and with a centered formula that pause already EXIST. The
> >> correct is:
> >>
> >>
> >> A = \pi r ^2
> >>
> >>
> >> even if it is ending a sentence or a paragraph.
> > I think we will just have to agree to disagree.  I find the comma
> > useful for pausing while the period ends a sentence and otherwise I
> > feel I'm hanging.  In any case, the journal accepts them.
> >
> > Tom
> >
> >    Thomas D. Schneider, Ph.D.
> >    Senior Investigator
> >    National Institutes of Health
> >    National Cancer Institute
> >    Center for Cancer Research
> >    RNA Biology Laboratory
> >    Biological Information Theory Group
> >    Frederick, Maryland  21702-1201
> >    schneidt at mail.nih.gov
> >    https://alum.mit.edu/www/toms
> >
> >
>
>
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