[texhax] derivatives and integrals: math operators

[Dan Hatton]

On Thu, 6 Aug 2009, Phil Parker wrote:

> On 08/06/2009 at 03:58 PM, Natércia Fernandes <natercia at eq.uc.pt> wrote: >

>> So shouldn't the "d" of derivatives (or integrals) be set with upright
>> letters, since both are mathematical operators?

> The convention you mention is one adopted by some physicists,
> engineers, and other users of "applied" mathematics

I fall into one of those categories, and I typeset total differentials with

\newcommand{\td}[1]{\mathrm{d}#1}

-- 

HTH,

Dan