//Allan Clark  Alintrst.cpp//
//Oct 15/02//
//To make an interest table//

#include <iostream.h>					//The library call for input/output//
#include <iomanip.h>						//The library call for input/output manipulation//
#include <conio.h>						//The library call for clrscr()//
#include <string.h>						//The library call used to manipulate string variables. (strcpy)//
#include <math.h>							//The library call to use math equations (sqrt) //
#include <time.h>  				      //The library call to acquire the system's date//

int main(void)
	{
	char yes;   							// Declaration of Local Variables //
	int yearstart, yearend, yearcount;
	double principle, rate, interest, intertotal;

												//Fowler Statement//
	cout << endl << endl;
	cout << "            ~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*" << endl;
	cout << "            ~  This Program will make an interest table  *" << endl;
	cout << "            ~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*" << endl;
	cout << endl;

	cout << "                   // Allan Clark - Programmer //" << endl << endl;

	cout << "     Press Any Key to Continue";

	getch();                          // gets character //

	start:

	clrscr();								//Clears the fowler screen and goes to the input screen//

	time_t t=time(NULL);
	cout << "\t" << ctime(&t)<< endl << endl;	//Displays the time//

	cout << endl << endl;
	cout << "\t\tInterest Analysis" << endl;
	cout << "\t\t~~~~~~~~~~~~~~~~~" << endl;
	cout << endl;

	cout << "    How many years will the investment be left in the term deposit?: ";
	cin >> yearend;
	cout << endl << endl;

	cout << "    What is the principle of the original investment?: $";
	cin >> principle;
	cout << endl << endl;

	if(principle < 0) 				//If the principle is lower than zero then the program restarts//
		{
		goto start;
		}

	cout << "    What will be the rate of interest given on the investment?: ";
	cin >> rate;

	if(rate < 0)						//If the rate is lower than 0 then the program restarts//
		{
		goto start;
		}

	if(rate > 100)						//If the rate is larger than 100 then the program restarts//
		{
		goto start;
		}

	clrscr();

	cout << "\t" << ctime(&t)<< endl << endl;	//Displays the time//

	cout << "     \t\t Investment Analysis Chart Overview" << endl;
	cout << "     \t\t ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" << endl << endl;

	yearcount = yearend + 1;



	cout << "      Time (Year End) \tPrinciple Accrued \t Interest Earned: " << endl;
	cout << "      ~~~~~~~~~~~~~~~ \t~~~~~~~~~~~~~~~~~ \t ~~~~~~~~~~~~~~~~ " << endl;
	yearstart = 1;
	for(yearcount = yearstart; yearcount <= yearend; yearcount++)
		{

		principle = principle + interest;             // accrues principal and interest earned for the year
		interest = principle * rate * 0.01 * 1;       // calculate the interest for a one year period
		intertotal = intertotal + interest;           // totals the yearly interest for the final summary

		cout << setiosflags(ios:: fixed | ios:: right);

		cout << setprecision(1);

		cout << setw(10) << yearcount << setprecision(2) << setw(30) << principle;
		cout << setw(25) << intertotal;
		cout << endl;
		}
	cout << endl << "\t\t\t  !! * Thank You * !!" << endl << endl;
	cout << "\t Do you wish to make another report? (y/n): ";
	cin >> yes;
	if(yes == 'y')				// If statement that asks user if (s)he wants to make another report //
		{
		goto start;
		}
	if(yes == 'n')
		{
		return 0;
		}

	}