#include<stdio.h>#include<math.h>
void fuli(){ int day; double total = 1.0f; float money; float base; double total1; printf("------------------------------------------------------------\n"); printf("每年的年利率比为:"); scanf("%f",&base); printf("------------------------------------------------------------\n"); printf("输入你存入的年数:"); scanf("%d",&day); total=total*pow(1+base,day); printf("-------------------------------------------------------------\n"); printf("每年的年利率%f,连续%d年,总受益的利率:%lf\n",base,day,total); printf("-------------------------------------------------------------\n"); printf("输入本金金额:"); scanf("%f",&money); total1=money*total; printf("-------------------------------------------------------------\n"); printf("你将可以得到:%lf\n",total1);}void danli(){ int day; double total = 1.0f; float money; float base; double total1; printf("------------------------------------------------------------\n"); printf("每年的年利率比为:"); scanf("%f",&base); printf("------------------------------------------------------------\n"); printf("输入你存入的年数:"); scanf("%d",&day); total=base*day; printf("-------------------------------------------------------------\n"); printf("每年的年利率%f,连续%d年,总受益的利率:%lf\n",base,day,total); printf("-------------------------------------------------------------\n"); printf("输入本金金额:"); scanf("%f",&money); total1=money+money*total; printf("-------------------------------------------------------------\n"); printf("你将可以得到:%lf\n",total1);}void daikuan(){ int day; float money; float base; double total; double total1; double total2; printf("------------------------------------------------------------\n"); printf("每年的年利率比为:"); scanf("%f",&base); printf("------------------------------------------------------------\n"); printf("输入你存入的年数:"); scanf("%d",&day); printf("-------------------------------------------------------------\n"); printf("借款本金金额:"); scanf("%f",&money); base=base/12; day=day*12; total1=(money*base*pow(1+base,day)); total2=(pow(1+base,day)-1); total=total1/total2; printf("-------------------------------------------------------------\n"); printf("你需要每个月还%lf元\n",total);}void fanxiang(){ float money; float base; double total = 1.0f; int day; int x; char lab; double total1; printf("------------------------------------------------------------\n"); printf("请输入你需要得到的金额:\n"); scanf("%f",&money); printf("------------------------------------------------------------\n"); printf("请输入平均年回报率:\n"); scanf("%f",&base); printf("------------------------------------------------------------\n"); printf("请输入存入的年数\n"); scanf("%d",&day); printf("------------------------------------------------------------\n"); lab:printf("若是复利选择1，单利选择2\n"); scanf("%d",&x); if(x==1) { total=total*pow(1+base,day); total1=money/total; printf("需要的本金为:%f\n",total1); } else if(x==2) { total=base*day; total1=money/(1+total); printf("需要的本金为:%f\n",total1); } else { printf("请重新输入1或者2\n"); goto lab; }
}void gupiao(){ float money; double base=0.1; float total; double day; printf("------------------------------------------------------------\n"); printf("请输入你的本金:\n"); scanf("%f",&total); printf("------------------------------------------------------------\n"); printf("请输入你需要得到的金额:\n"); scanf("%f",&money); printf("------------------------------------------------------------\n"); printf("此股票平均年报酬率为(百分之十)!\n"); day=(money-total)/(total*base); printf("需要的年数为:%.3lf年\n",day);}
void ligunli(){ float base; int day; int x; int i; double total1; double total2; double total3=0; printf("------------------------------------------------------------\n"); printf("若是月利选择1，年利选择2\n"); scanf("%d",&x); if(x==1) { printf("------------------------------------------------------------\n"); printf("请输入你的本金:\n"); scanf("%lf",&total1); printf("------------------------------------------------------------\n"); printf("请输入平均月回报率:\n"); scanf("%f",&base); printf("------------------------------------------------------------\n"); printf("请输入存入的月数\n"); scanf("%d",&day); for(i=1;i<=day;i++) { total2=total1+(total1*base); total1=total2; total3=total1+total3; } printf("最后可以得到%.3lf元\n",total3); } else if(x==2) { printf("------------------------------------------------------------\n"); printf("请输入你的本金:\n"); scanf("%lf",&total1); printf("------------------------------------------------------------\n"); printf("请输入平均年回报率:\n"); scanf("%f",&base); printf("------------------------------------------------------------\n"); printf("请输入存入的年数\n"); scanf("%d",&day); for(i=1;i<=day;i++) { total2=total1+(total1*base); total1=total2; total3=total1+total3; } printf("最后可以得到%.3lf元\n",total3); }}void touzi(){ float money; double base=0.1; float total; double day; printf("------------------------------------------------------------\n"); printf("请输入你的本金:\n"); scanf("%f",&total); printf("------------------------------------------------------------\n"); printf("请输入你需要得到的金额:\n"); scanf("%f",&money); printf("------------------------------------------------------------\n"); printf("请输入存入的年数:\n"); scanf("%lf",&day); base=(money-total)/(day*total); printf("投资工具报酬率需要有%.3lf才够\n",base); }
void main(){ while(1){ int num=7; printf(" \n"); printf(" \n"); printf(" \n"); printf(" \n"); printf(" \n"); printf(" \n"); printf(" -------------------------------------\n"); printf(" 欢迎来到广州商业银行\n"); printf(" 顾客你可以根据1~7选择\n"); printf(" 1.复利计算\n"); printf(" 2.单利计算\n"); printf(" 3.送你养老金计算方法\n"); printf(" 4.股票赚钱哟\n"); printf(" 5.投资工具找的好才赚钱哟\n"); printf(" 6.本利与本金的存款计算\n"); printf(" 7.贷款\n"); printf(" -------------------------------------\n"); printf(" \n"); printf("请根据数字选择你需要的功能(1~7)\n");
scanf("%d",&num); switch(num) { case 1: fuli(); break; case 2: danli(); break; case 3: fanxiang(); break; case 4: gupiao(); break; case 5: touzi(); break; case 6: ligunli(); break; case 7: daikuan(); break; } }}
此次增加了贷款功能，增加了可以任意计算的功能
转载于:https://www.cnblogs.com/huaziyi666/p/5302905.html
相关资源：复利终值计算