[OS X TeX] Re: Mathtime

Bruno Voisin Bruno.Voisin at hmg.inpg.fr
Mon Mar 25 14:30:17 EST 2002

Le lundi 25 mars 2002, à 08:00 PM, Oscar Chávez a écrit :

> I meant mathptm and mathptmx.
> On Monday, March 25, 2002, at 12:54 PM, Oscar Chavez wrote:
>> What is the difference between mathpm and mathpmx? I just tried the
>> latter, and it seems to work just fine.

I think mathptm builds virtual math fonts from a combination of Times 
Italic and Symbol, while mathptmx builds virtual math fonts from a 
combination of Times Italic and Computer Modern.

The latest version of PSNFSS says mathptm is obsolete and should always 
be replaced by mathptmx, since Symbol has no italic characters. I tend 
to disagree with this, and I prefer to stick with either everything 
Computer Modern or everything Times/Courier/Helvetica/Symbol, as I find 
the mixture of Computer Modern and Times/Courier/Helvetica aesthetically 
less pleasant than upright Symbol characters.

In any case a problem still remains with bold math characters, and to 
get these (which most likely you'll need if you have to typeset vector 
variables in an applied maths community) you'll have to get the MathTime 
Plus package.

Bruno Voisin

PS Re. PSNFSS I couldn't find the documentation in Gerben's teTeX (yes, 
Gerben knows this and he forwarded the information to Thomas Esser) and 
you'll have to look on CTAN at <ftp://ftp.tex.ac.uk/tex-

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