Functions for the rational mode
|INTSQR(x)||the value of the positive square root of x truncated to an integer.|
|NUMER(x)||The numerator of x.|
|DENOM(x)||The denominator of x.|
|GCD(x,y)|| The Greatest Common Divisor of x and y. |
Results have positive signs. If both x and y are equal to zero, the exception with extype 3006 shall be raised.