Simple library for a PowerShell blog article

MathLib.cs

namespace MathLib 
{ 
  public class Methods 
  { 
    public Methods() 
    { 
    }
    public static int Sum(int a, int b) 
    { 
      return a + b; 
    }
    public int Product(int a, int b) 
    { 
      return a * b; 
    } 
  } 
}