กระดานข้อความของ tetipong - Library IT

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tetipong

https://bbs.hackerz.in.th/?6834

tetipong 2015-12-18 22:09: ขอบคุณค้าบบ

Gamepro 2015-12-1 16:57: นี้เลยครับ ภาษา c++

#include <iostream>
#include <stdlib.h>

using namespace std;
void res(){
cout << "Press the ENTER key";
  if (cin.get() == '\n')
cin.clear();
cin.ignore();
system("cls");
}
int main()
{
         int choose;
  cout << "Please choose Calculator" << endl;
  cin >> choose;
  if(choose == 1)
  {
  float a, b, result,result2;
      char oper, clear;
      cout << "You have been choose Triangle-Circle [base * high]: i.e 1*2 " << endl;
      for (;;) {
               cin >> a;
               cin >> oper;
               cin >> b;
                        if (oper == '*')
                     result = (0.5) * a * b;
                     result2 = (22/7) * (a * a);

printf("Triangle = %.4f \n",result);
printf("Circle = %.4f \n",result2);
res();
main();
}
}
  if(choose == 2)
  {
  float a, b, result;
      char oper, clear;
      cout << "You have been choose Tax : i.e 500 " << endl;
      for (;;) {
            cin >> a;
            result = (0.07) * a;

printf("%.4f \n",result);
res();
main();
}
}

  if(choose == 3)
  {
  float a, b, result,result2;
      char oper, clear;
      cout << "You have been choose Banking : i.e 6000 " << endl;
      for (;;) {
               cin >> a;
                     result = ((3.475/100) * a) * 30;
                     result2 = result * 12;
printf("Money             : %.2f \n",a);
printf("Interest Per Month : %.2f \n",result);
printf("Interest Per Year  : %.2f \n",result2);
res();
main();
}
}
}

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