5.1.87 nvars
------------
Syntax:
nvars ( ring_name )
Type:
int
Purpose:
returns the number of variables of a ring.
Example:
  ring r=(23,t,v),(x,a(1..7)),ls;
  // the variables are x,a(1),...,a(7)
  nvars(r);
==> 8
See
npars;
ring;
var;
varstr.
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&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; User manual for <a href="http://www.singular.uni-kl.de/"><i>Singular</i></a> version 2-0-4, October 2002,
generated by <a href="http://www.gnu.org/software/texinfo/"><i>texi2html</i></a>.
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