|  |  7.5.19.0. isNC Procedure from librarynctools.lib(see  nctools_lib).
 
Example:Usage:
isNC();
Purpose:
check whether a basering is commutative or not
Return:
int, 1 if basering is noncommutative and 0 otherwise
 |  | LIB "nctools.lib";
def a = makeWeyl(2);
setring a;
isNC();
==> 1
kill a;
ring r = 17,(x(1..7)),dp;
isNC();
==> 0
kill r;
 | 
 
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