using System;

​

namespace Mathmatics

{

    public static class Equations

    {

        #region Methods

        public static double Add(double x, double y)

        {

            return x + y;

        }

        public static double Subtract(double x, double y)

        {

            return x - y;

        }

        public static double Multiply(double x, double y)

        {

            return x * y;

        }

        public static double Divide(double x, double y)

        {

            return x / y;

        }

        public static double Square(double x)

        {

            return x * x;

        }

        public static double SquareRoot(double x)

        {

            var result = Math.Sqrt(x);

            return result;

        }

        #endregion

    }

    public class Program

    {

        public static void Main(string[] args)

        {

            var result = Equations.SquareRoot(10);

            Console.WriteLine($"{result}");

        }

    }

}

​