From: Rudolf Polzer <denshimeiru-sapmctacher@...>
Date: 2003-08-25T02:42:37+09:00
Subject: Re: POLS and names of mathematical functions

Scripsit ille �Daniel Carrera� <dcarrera@math.umd.edu>:
> > > Implementing some additional mathematical functions I came across
> > > acosh, asinh, and atanh. Here the Principle of Least Surprise runs
> > > into a severe problem.
> > > 
> > > On the one hand it is not that uncommon to use these names. On the
> > > other hand mathematicians prefer to call them arcosh, arsinh and
> > > atanh.
> > 
> > Here (Frankfurt) they're called arcosh or arccosh (I saw both), arcsinh
> > and arctanh. But it may depend on the professor.
> 
> As a mathematecian, I see no problem at all with atanh, asinh, etc.  
> Anyone who has used a scientific calculator will be familiar with the 
> shorter forms.

No, they use sin^-1 etc.

SCNR

But I think it's enough to have ONE form for them - one can get used to
it. BASIC for example uses ATN for the arcus tangent. One can even get
used to THAT. And "just put an a in front of the name" is a clear rule.


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