ZCW-MacroLabs-OOP-ScientificCalculator/Operations.java

import java.util.*;

public class Operations
{
    // instance variables - replace the example below with your own
    private int x;

    /**
     * Constructor for objects of class Operations
     */
    public Operations()
    {
        // initialise instance variables
        x = 0;
    }

    /**
     * An example of a method - replace this comment with your own
     *
     * @param  y  a sample parameter for a method
     * @return    the sum of x and y
     */
    public int factorial(int number)
    {
        int fact = 1;
          for(int i = 1; i <= number; i++) {
              fact *= i;
          }
          return fact;
    }
    
    public int 
}