[texhax] A PSTricks question

Philip TAYLOR P.Taylor at Rhul.Ac.Uk
Sun Sep 7 20:21:03 CEST 2003

>>I'm sure I wrote the inverse trig. functions for plain TeX
>>some many years ago, but I can no longer remember the context
> What do you mean by this, for Plain TeX ?
> Do you mean numerical approximations, using TeX's integer arithmetic;
> e.g.  a Taylor approximation ?

Looks as if I didn't do the inverse functions after all; here is
what I did come up with (circa 1991) which may at least serve
as a starting point ...


** Phil.

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