/**
 * Write a description of class simpleOp here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
import java.util.*;
public class simpleOp
{
    public static double currentNumber = 0;
    
    public static double add(double x, double y){
        //CALULATES THE SUM OF TWO NUMBERS
        currentNumber = x + y;
        //System.out.println(currentNumber);
        return currentNumber;
    }
    
    public static double sub(double x, double y){
        //CALULATES THE DIFFERENCE OF TWO NUMBERS
        currentNumber = x - y;
        //System.out.println(currentNumber);
        return currentNumber;
    }
    
    public static double mul(double x, double y){
        //CALULATES THE PRODUCT OF TWO NUMBERS
        currentNumber = x * y;
        //System.out.println(currentNumber);
        return currentNumber;
    }
    
    public static double div(double x, double y){
        //CALULATES THE QUOTIENT OF TWO NUMBERS
        currentNumber = x / y;
        //System.out.println(currentNumber);
        return currentNumber;
    }
    
    public static double squ(double x){
        //CALULATES THE SQUARE OF ONE NUMBER
        //CASTED TO double FOR NOW... IT'S IN ALPHA, YOU DIG?
        currentNumber = (int) Math.pow(x,2);
        //System.out.println(currentNumber);
        return currentNumber;
    }
    
    public static double sqrt(double x){
        //CALULATES THE SQUARE ROOT OF ONE NUMBER
        //CASTED TO double FOR NOW... IT'S IN ALPHA, YOU DIG?
        currentNumber = (int) Math.sqrt(x);
        //System.out.println(currentNumber);
        return currentNumber;
    }
    
    public static double exp(double x, double y){
        //CALULATES EXPONENTIATION OF X TO POWER OF Y
        //CASTED TO double FOR NOW... IT'S IN ALPHA, YOU DIG?
        currentNumber = (int) Math.pow(x,y);
        //System.out.println(currentNumber);
        return currentNumber;
    }
    
    public static double inv(double x){
        //CALULATES THE INVERSE OF NUMBER
        //CASTED TO double FOR NOW... IT'S IN ALPHA, YOU DIG?
        currentNumber = (1/x);
        //System.out.println(currentNumber);
        return currentNumber;
    }
    
    public static double invert(double x){
        //TURNS NEGATIVE TO POSITIVE OR POSITIVE TO NEGATIVE
        currentNumber = -x;
        //System.out.println(currentNumber);
        return currentNumber;
    }
    
}