srcmain.cpp

c++小程序

#include <iostream>	//使用cin、cout
#include "Cal.h"

using namespace std;


int main()
{	

	char userChoice;
	double a=0, b=0, r =0;

	displayStartScreen();

	cin >> userChoice;

	if(userChoice == 'Q' || userChoice == 'q')
	{
		exit(0);
	}
	cal(a,b,userChoice);

	return 0;
}