previous  next
Characteristic
Syntax
Characteristic():INT
Characteristic(R:RING):INT
Summary
the characteristic of a ring
Description
This function returns the characteristic of the current ring, in the
first case, or of the ring R, in the second.

Example

Use R ::= Z/(3)[t];
S ::= Q[x,y];
Characteristic(); -- characteristic of the current ring, R
3
-------------------------------
Characteristic(S);
0
-------------------------------