UNB/ CS/ David Bremner/ teaching/ java/ Calculator.java
import expr.Expression;
import ccj.Console;

public class Calculator
{  public static void main(String[] args)
   {  System.out.println("Please enter an expression: ");
      String input = Console.in.readLine();
      Expression e = new Expression(input);
      System.out.println("The value is " + e.eval());
   }
}