#include#include #include void count(){ int a,b; double x,sum,y; system("cls"); printf("\t\t欢迎进入复利计算软件v3:\n"); printf("请输入需要计算的本金:"); scanf("%lf",&y); printf("输入所要存储的时间（年）:"); scanf("%d",&a); printf("输入利率:"); scanf("%lf",&x); printf("输入复利次数:"); scanf("%d",&b); printf("Loading...:"); x=pow((1+x/b),b)-1; sum=y*(pow(1+x,a)); printf("%lf",sum); printf("\n");}void count1(){ int n; double x,sum,y; system("cls"); printf("\t\t欢迎进入复利计算软件v3:\n"); printf("请输入需要计算的本金:"); scanf("%lf",&y); printf("输入所要存储的时间（年）:"); scanf("%d",&n); printf("输入利率:"); scanf("%lf",&x); printf("正在输出:"); sum=y+y*n*x; printf("所得%lf",sum); printf("\n");}void count3(){ int a,i; double c,sum,b; system("cls"); printf("\t\t\t欢迎进入复利计算软件v3:\n"); printf("请输入你所需要的总值:"); scanf("%lf",&sum); printf("请输入你所需要的存储年:"); scanf("%d",&a); printf("请输入利率:"); scanf("%lf",&c); printf("请输入复利次数:"); scanf("%d",&i); c=pow((1+c/i),i)-1; b=sum/pow(1+c,i); printf("正在输出:"); printf("所需要本金%lf",b); printf("\n"); }void count4(){ int i; double a,sum,b,n; system("cls"); printf("\t\t\t欢迎进入复利计算软件v3:\n"); printf("请输入本金:"); scanf("%lf",&b); printf("请输入你所需要的总值:"); scanf("%lf",&sum); printf("输入利率:"); scanf("%lf",&a); printf("输入复利次数:"); scanf("%d",&i); printf("正在输出:"); a=pow((1+a/i),i)-1; n=log(sum/b)/log(1+a); printf("所得:%lf",n); printf("\n");}void x(){ int n,i; double a,sum,b; system("cls"); printf("\t\t\t欢迎进入复利计算软件v3:\n"); printf("请输入本金:"); scanf("%lf",&b); printf("请输入你所需要的总值:"); scanf("%lf",&sum); printf("输入所要存储年:"); scanf("%d",&n); printf("输入复利次数:"); scanf("%d",&i); printf("正在输出:"); a=i*(pow(pow(sum/b,1.0/n),1.0/i)-1); printf("所得:%lf",a); printf("\n");}void count5(){ double sum,b,a; int n; system("cls"); printf("\t\t\t欢迎进入复利计算软件v3:\n"); printf("请输入年投入:"); scanf("%lf",&b); printf("请输入年复合增长率:"); scanf("%lf",&a); printf("请输入持续投入年数:"); scanf("%d",&n); sum=b*(1+a)*pow((1+a),n-1)/a; printf("\n得出：%lf\n",sum);}main(){ int a; printf("\t\t\t欢迎进入复利计算软件v3:\n"); printf("\t1.单利计算"); printf("\n\t2.复利计算"); printf("\n\t3.求本金"); printf("\n\t4.求时间"); printf("\n\t5.求利率"); printf("\n\t6.投资"); printf("\n请输入你的选项:"); scanf("%d",&a); switch (a){ case 1: count1(); break; case 2: count(); break; case 3: count3(); break; case 4: count4(); break; case 5: x(); break; case 6: count5(); break; default: return 0; }}