#include <iostream>
#include <math.h>
#include <cmath>
using namespace std;
void calc(void);
void result(double a, double b, char &);
int main()
{

    double operand1, operand2;
    char A, N, P, R, F, T, Q, letter;

    calc();
    cout << endl << "Please enter the one the mentioned operators" << endl;
    cin >> letter;

    if (letter == '+'|| letter == '-'|| letter == '*' || letter == '/'|| letter == '%' || letter == 'P' || letter == 'A' || letter == 'N')
       result(operand1, operand2, letter);

system("Pause");
return 0;
}


    void result(double a, double b, char &c)
{
    cout << "Please enter the first integer" << endl;
    cin >> a;
    cout << "Please enter the second integer" << endl;
    cin >> b;
    if (c = '+'){
       a + b;
        }

        if (c = '-'){
            cout << "Operand 1 is " << a << '\t' << "Operand 2 is " << b << endl << "The difference of both of these numbers is " << a - b << endl << endl;
            }

            if (c = '*'){
                cout << "Operand 1 is " << a << '\t' << "Operand 2 is " << b << endl << "The product of both of these numbers is " << a * b << endl << endl;
                }

                if (c = '/'){
                   cout << "Operand 1 is " << a << '\t' << "Operand 2 is " << b << endl << "The quotient of both of these numbers is " <<  a / b << endl << endl;
                   }

                   if (c = '%'){
                      cout << "Operand 1 is " << a << '\t' << "Operand 2 is " << b << endl << "The quotient of both of these numbers is " << a / b << endl << endl;
                      }

                      if (c = 'P'){
                          cout << "Operand 1 is " << a << '\t' << "Operand 2 is " << b << endl << "The power of b over a is " << pow(a,b) << endl << endl;
                          }

                          if (c = 'A'){
                             cout << "Operand 1 is " << a << '\t' << "Operand 2 is " << b << endl << "The average of both numbers is " << (a + b) / 2 << endl << endl;
                             }

                             if (c = 'N'){
                             a < b;
                             cout << "Operand 1 is " << a << '\t' << "Operand 2 is " << b << endl << "The average of both numbers is " << a + b / 2 << endl << endl;
                             }

}


    void calc(void)
{

    cout << "Operators\t" << "Functions" << endl << endl;
    cout << "+\t" << '\t' << "Addition" << endl;
    cout << "-\t" << '\t' << "Subtraction" << endl;
    cout << "*\t" << '\t' << "Multiplication" << endl;
    cout << "/\t" << '\t' << "Division" << endl;
    cout << "%\t" << '\t' << "Division(with remainders)" <<endl;
    cout << "A\t" << '\t' << "average of two numbers" << endl;
    cout << "N\t" << '\t' << "minimum of two numbers" << endl;
    cout << "P\t" << '\t' << "a^b" <<endl;
    cout << "R\t" << '\t' << "reciprocal" << endl;
    cout << "F\t" << '\t' << "factorial" << endl;
    cout << "T\t" << '\t' << "sqaure root" << endl;
    cout << "Q\t" << '\t' << "Quit" << endl;

return;
}