5.1.4 char
----------

Syntax:
char ( ring_name )
Type:
int
Purpose:
returns the characteristic of the coefficient field of a ring.
Example:
  ring r=32003,(x,y),dp;
  char(r);
==> 32003
  ring s=0,(x,y),dp;
  char(s);
==> 0
  ring ra=(7,a),(x,y),dp;
  minpoly=a^3+a+1;
  char(ra);
==> 7
  ring rp=(49,a),(x,y),dp;
  char(rp);
==> 7
  ring rr=real,x,dp;
  char(rr);
==> 0
See
charstr;
ring.
<font size="-1">
&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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