isp_2a.cs

interface IArithmetic
{
    int Add(int num1, int num2);

    int Subtract(int num1, int num2);

    int Multiply(int num1, int num2);

    double Divide(int num1, int num2);
}

interface IExponents
{
    double Power(double num, double power);

    double SquareRoot(double num);

}

class BasicCalculator : IArithmetic
{
    public int Add(int num1, int num2)
    {
        return num1 + num2;
    }

    public int Subtract(int num1, int num2)
    {
        return num1 - num2;
    }

    public int Multiply(int num1, int num2)
    {
        return num1 * num2;
    }

    public double Divide(int num1, int num2)
    {
        return (double)num1 / (double)num2;
    }
}

class AdvancedCalculator : IArithmetic, IExponents
{
    public int Add(int num1, int num2)
    {
        return num1 + num2;
    }

    public int Subtract(int num1, int num2)
    {
        return num1 - num2;
    }

    public int Multiply(int num1, int num2)
    {
        return num1 * num2;
    }

    public double Divide(int num1, int num2)
    {
        return (double)num1 / (double)num2;
    }

    public double Power(double num, double power)
    {
        return Math.Pow(num, power);
    }

    public double SquareRoot(double num)
    {
        return Math.Sqrt(num);
    }
}