// 01292008.cpp
//
// Para equiv, factorial amd interest rate.
//
// Peter H. Anderson, MSU, Jan 29. '08

#include 

int main()
{
   int v, num, n;
   float interest, principle, r1, r2, req;

   printf("Enter an integer:"); // example of calculating factorial
   scanf("%d", &num);
   
   v = 1;
   for (n=1; n<=num; n++)
   {
      v = v * n;
   }
   printf("The factorial of %d is %d\n", num, v);
   
   while(getchar() != 'x') // pause to admire
   {
   }
   
   principle = 10000.00; // $10K  We could scanf all of this stuff
   interest = 0.07;
   num = 36;  
   
   for (n=1; n<=num; n++)
   {
       principle = principle * (1.0 + interest);
       printf("%d\t%.2f\n", n, principle);
   }
 
   while(getchar() != 'x') // pause to admire
   {
   }
   
   printf("Enter two resistor vals: ");
   scanf("%f %f", &r1, &r2);
   
   req = (r1 * r2) / (r1 + r2);
   
   printf("The para eq of %.2f and %.2f is %.2f\n", r1, r2, req);
   
   while(getchar() != 'x')
   {
   }
}