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calculator.cpp
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calculator.cpp
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/*
Copyright 2004, Richard Cole
This file is part of Griff.
Griff is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version.
Griff is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with Griff; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
int main()
{
double interest_rate = 6.30 / 100.0;
double fir = interest_rate / 26.0;
double principle = 283200;
double repayment[] = { 1500.0, 500.0 };
int repayment_c = 2;
double period[] = { 3 * 26 , 4 * 26, 6 * 26, 7 * 26, 50 * 26 };
int period_c = 5;
double interest = 0;
int repayment_index = 0;
int period_index = 0;
int count = 0;
while( principle > 0 ) {
if ( count == period[period_index] ) {
repayment_index = (repayment_index + 1) % repayment_c;
period_index = (period_index + 1) % period_c;
}
interest = principle * fir;
principle = principle + interest - repayment[repayment_index];
printf("%d\t%d\t%5.0f\t%5.0f\n",
(count / 26)+1, (count % 26)+1, principle, interest);
count++;
};
};