//set value at this digit
public void setDigit(Digit d, int index)
{
if (index >= 1)//make sure index is in range
{
Digit atIndex = new Digit();
setDigitsList(index);//make sure Digits list is long enough
if (dig >= index)
{
atIndex.set(num, index);
if (atIndex.Value != 0)//if digit at index is not 0
removeDigit(index);//then set to 0
}
num += (digits[index - 1]) * d.Value;//add digit to num at specified index
}
}
