RatNum value = ((Number)IokeObject.data(on)).value;
if(value instanceof IntFraction) {
IntNum num = value.numerator();
IntNum den = value.denominator();
BigDecimal nums = new BigSquareRoot().get(num.asBigDecimal());
BigDecimal dens = new BigSquareRoot().get(den.asBigDecimal());
try {
num = IntNum.valueOf(nums.toBigIntegerExact().toString());
den = IntNum.valueOf(dens.toBigIntegerExact().toString());
return context.runtime.newNumber(new IntFraction(num, den));
} catch(ArithmeticException e) {