/// <summary>
/// Numericクラスの静的メソッド確認
/// </summary>
/// <param name=void>void</param>
public void CheckExerciseEx203()
{
Console.WriteLine("-------- CheckExerciseEx203 --------\n");
Console.Write("Enter positive real number > ");
double squr_num = Numeric.GetSqurNum(double.Parse(Console.ReadLine()));
Console.WriteLine("Square root is {0}", squr_num);
Console.WriteLine();
}
public double Distance(Point2D p)
{
double d = Math.Pow((X - p.X), 2) + Math.Pow((Y - p.Y), 2);
return(Numeric.GetSqurNum(d));
}
