Create float point value with literal: 3.281f and 5E-02 in CSharp

using System;/*from w w  w.j  a  v a  2 s .  co m*/

public class MainClass {     
  static void Main(string[] args)
  {
        float number;
        
        number = 1.23456E20F;
        Console.WriteLine(number.ToString());
        
        number = 1.23456E2F;
        Console.WriteLine(number.ToString());
        
        number = -3.12345F;
        Console.WriteLine(number.ToString());
        
        number = -123456787654-07F;
        Console.WriteLine(number.ToString());
        
        
        number = .65432F;
        Console.WriteLine(number.ToString());
        
        number = .000000001F;
        Console.WriteLine(number.ToString());    
  }
}