LaTeX at zedat.fu-berlin.de
Wed Oct 4 00:27:09 CEST 2006
Henning Bredel wrote:
> 9-(x-4)^2 ==> 9 x 4 sub dup mul sub
> does dup only doubles a term, so
> I have to add the operator mul?
> I have in mind, that dup is for both doubling and multiplying (I didn´t
> use the PS-reduction in
> mathterms before but I guess I read it somewhere).
dup does as the name duplicate says, nothing else
than putting a copy of the last element on stack.
sqr is a dup with mul. Could be read in _any_ PS manual
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