public static bool acq_isinteger(object item)
{
int result;
bool isint = ExcelHelper.IsInteger(item, out result);
return(isint);
}
public static bool acq_isprime(object item)
{
bool result = false;
int n;
if (ExcelHelper.IsInteger(item, out n))
{
result = ACQ.Math.Primes.is_prime(n);
}
return(result);
}
public static object acq_isleap_year(object year)
{
object result = ExcelError.ExcelErrorValue;
int n_year;
if (ExcelHelper.IsInteger(year, out n_year))
{
result = IsLeapYear(n_year);
}
return(result);
}
