package kernel.operation;
  

  import kernel.Cell;
  
  public class Subtraction extends BinaryOperation {
  

  	private static final long serialVersionUID = 1L;
  
  	public Subtraction(Cell leftCell, Cell rightCell) {

          super(leftCell, rightCell);

      }
  

  	
  	public String getOperator(){
  		return "-";
  	}
  	
  	
      public double eval() {

          return this.leftCell.getValue() - this.rightCell.getValue();
      }
  }