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#include <iostream>
#include <Cmath>
using namespace std;
int main()
{
double principal,rate,payPerYear,numYears,payment,number,denom,e,b;
cout<<"請輸入本金:";
cin>>principal;
cout<<endl;
cout<<"請輸入貸款時間:";
cin>>numYears;
cout<<endl;
cout<<"請輸入每年還款次數:";
cin>>payPerYear;
cout<<endl;
cout<<"請輸入貸款利率:";
cin>>rate;
number=rate*principal/payPerYear;
e=-(payPerYear*numYears);
b=(rate/payPerYear)+1;
denom=1-pow(b,e);
payment=number/denom;
cout<<endl;
cout<<"還款金額是"<<payment;
cout<<endl;
return 0;
}
- 運作結果:
- 心得體會: