Convert Temperature Fahrenheit to Celsius Using c++

#include<iostream.h>

#include<conio.h>

void main()

{

  clrscr();

  int choice;

  float temp,conv;

  cout<<"fahrenheit to celsius"<<"\n";

  cout<<"enter temp. in fahrenheit";

  cin>>temp;

  conv=(temp-32)/1.8;

  cout<<"temp in celsius";

  cout<<conv;

  getch();

}

Link : Convert Temperature Celsius to Fahrenheit Using c++