例2-5+2-6

/*输出华氏-摄氏温度转换表，华氏温度取值【lower，upper】，每次增加1f*/
#include<stdio.h>
int main(void)
{
    int fahr,lower,upper;
    double celsius;

    printf("Enter lower:");
    scanf("%d",&lower);
    printf("Enter upper:");
    scanf("%d",&upper);
    printf("fahr celsius\n");


    for(fahr=lower;fahr<=upper;fahr++){
        celsius=(5.0/9.0)*(fahr-32);
        printf("%d%6.1f\n",fahr,celsius);
    }
    return 0;

}

 

/*计算存款的本息*/
#include<stdio.h>
#include<math.h>
int main(void)
{
    int money,year;
    double rate,sum;

    printf("Enter money:");
    scanf("%d",&money);
    printf("Enter year:");
    scanf("%d",&year);
    printf("Enter rate:");
    scanf("%lf",&rate);
    sum=money*pow(1+rate,year);
    printf("sum=%.2f\n",sum);

    return 0;
}