Error 1 error C2065: 'endl' : undeclared identifier

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C++

hello everybody,

just was working on this code that i need to compile but it gives error messages saying 'endl' : undeclared identifier

here is my code

#include <iostream>
int main ()
{
std::cout << "Hello there. \n";
std::cout << "here is 5: " << 5 <<"\n";
std::cout << "The manipulator endl writes a new line to the screen.";
std::cout <<
endl;
std::cout <<"Here is a very big number :\t" << 70000 << endl;
std::cout <<"Here is the sum of 8 and 5:\t" << 8+5 << endl;
std::cout <<"Here is a fraction :\t\t" << (float) 5/8 << endl;
std::cout <<"And a very very big number :\t";
std::cout << (double) 7000*7000 <<
endl;
std::cout <<"dont forget to replace Francois Bitas with your name ..\n";
getchar ();
return 0;
}