5.1.6 charstr

Syntax:

charstr ( ring_name )

Type:

string

Purpose:

returns the description of the coefficient field of a ring.

Example:

ring r=32003,(x,y),dp; charstr(r); → 32003 ring s=0,(x,y),dp; charstr(s); → 0 ring ra=(7,a),(x,y),dp; minpoly=a^3+a+1; charstr(ra); → 7,a ring rp=(49,a),(x,y),dp; charstr(rp); → 49,a ring rr=real,x,dp; charstr(rr); → real

See char; ordstr; ring; varstr.