title: CS7036 C# There is no argument given that corresponds to the required formal parameter of
body: <p>WHy im i getting this error?</p>
  
  <pre><code>namespace CalculatorTest
  {
      public class Calculator
      {
          public int operand1;
          public int operand2;
          public static string s;
          public static int n;
  
          public string WriteText(string s)
          {
              return s;
          }
  
          public string WriteNumber(int n) 
          {
  
              return n.ToString();
          }
          public Calculator(int operand1, int operand2) : base()
          {
              this.operand1 = operand1;
              this.operand2 = operand2;
          }
      }
  
      class Program
      {
          static void Main(string[] args)
          {
              Calculator c = new Calculator();
  
          }
      }
  }
  </code></pre>