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QQ    --    the ring of rationals


Syntax 
QQ: RING

Description
This system variable is constant; its value is the field of rationals. Its name is protected so that it cannot be re-assigned to any other value.

NOTE: this is a (protected) variable, so in define/endefine use RingQQ instead (or import it with TopLevel ).

Example 
/**/  use QQ;

/**/  type(5);
INT
/**/  type(RingElem(QQ, 5));
RINGELEM

/**/  QQ = RingQQ();
true

See Also