//	File name:	hw3.cpp
//	Author:		Rachel Coberly
//	Instructor:	Dr. John Wang
//	Due date:	Wednesday, September 19, 2007
//	Compilation:	g++ hw3.cpp -o hw3.out
//	Execution:	./hw3.out
//
//	Goal: This program will calculate the different operations for two positive numbers.
//

#include <iostream>
#include <iomanip>

using namespace std;

int main()
{
	// 1. Declare Variables
	float a, b, add, subt, mult, div;
	string star_line = "******************************";

	cout << fixed << showpoint << setprecision (1);

	// 2. Input
	cout << star_line << '\n';
	cout << "Input a (-1 to quit ): ";
	cin >> a;

	while ( a > 0 )
	{
		cout << "Input b: ";
		cin >> b;

		// 3. Computing
		add = a + b;
		subt = a - b;
		mult = a * b; 
		div = a / b;

		// 4. Output
	
		cout << "\n\n";
		cout << a << "\t+\t" << b << "\t=\t" << add << "\n\n";
		cout << a << "\t-\t" << b << "\t=\t" << subt << "\n\n";
		cout << a << "\t*\t" << b << "\t=\t" << mult << "\n\n";
		cout << a << "\t/\t" << b << "\t=\t" << div << "\n\n";

		cout << star_line << endl;
 		cout << "Input a (-1 to quit ): ";
	        cin >> a; 
	}	
	
	return 0;
}