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// Fig. 2.21: fig02_21.cpp
// Calculating compound interest.
#include <iostream>
using std::cout;
using std::endl;
using std::ios;
using std::fixed;
#include <iomanip>
using std::setw;
using std::setprecision;
#include <cmath> // enables program to use function pow
// function main begins program execution
int main()
{
double amount; // amount on deposit
double principal = 1000.0; // starting principal
double rate = .05; // interest rate
// output table column heads
cout << "Year" << setw( 21 ) << "Amount on deposit" << endl;
// set floating-point number format
cout << fixed << setprecision( 2 );
// calculate amount on deposit for each of ten years
for ( int year = 1; year <= 10; year++ ) {
// calculate new amount for specified year
amount = principal * pow( 1.0 + rate, year );
// output one table row
cout << setw( 4 ) << year
<< setw( 21 ) << amount << endl;
} // end for
return 0; // indicate successful termination
} // end function main
/**************************************************************************
* (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
* Hall. All Rights Reserved. *
* *
* DISCLAIMER: The authors and publisher of this book have used their *
* best efforts in preparing the book. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these books. The authors *
* and publisher shall not be liable in any event for incidental or *
* consequential damages in connection with, or arising out of, the *
* furnishing, performance, or use of these programs. *
*************************************************************************/
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