fig04_06.c

C程序设计经典教程第5版程序示例,比较适合初级c语言的学生

/* Fig. 4.6: fig04_06.c
   Calculating compound interest */
#include <stdio.h>
#include <math.h>  

/* function main begins program execution */
int main( void )
{
   double amount;             /* amount on deposit */
   double principal = 1000.0; /* starting principal */
   double rate = .05;         /* annual interest rate */
   int year;                  /* year counter */

   /* output table column head */
   printf( "%4s%21s\n", "Year", "Amount on deposit" );

   /* calculate amount on deposit for each of ten years */
   for ( year = 1; year <= 10; year++ ) {

      /* calculate new amount for specified year */
      amount = principal * pow( 1.0 + rate, year );

      /* output one table row */
      printf( "%4d%21.2f\n", year, amount );   
   } /* end for */

   return 0; /* indicate program ended successfully */

} /* end function main */



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