C + + learning experience

Exercise Answer: 2.7

5.

#include <iostream>

using namespace Std;

void Fah ();

int main ()

{

Fah ();

return 0;

}

void Fah ()

{

int Celsius;

cout<< "Please enter a Celsius value:";

cin>>celsius;

Double Fahrenheit;

fahrenheit=1.8*celsius+32.0;

cout<<celsius<< "Degrees Celsius is" <<Fahrenheit<< "degrees Fahrenheit." <<endl;

int i;

cin>>i;

}

Cause of error: No statement written in header file//void Fah ();

Operation Result:

6. #include <iostream>

using namespace Std;

void Change ();

int main ()

{

Change ();

int i;

cin>>i;

return 0;

}

void Change ()

{

Double light;

cout<< "Please enter the number of light years:";

cin>>light;

Double ast;

Ast=63240*light;

cout<<light<< "Light Years" <<ast<< "astronomical units." <<endl;

}

Run results

7. #include <iostream>

using namespace Std;

void See (int hours,int minutes);//The arguments inside will determine the number of arguments to call in the main function

int main ()

{

cout<< "Enter The number of hours:";

int hours;

cin>>hours;

cout<< "Enter The number of minutes:";

int minutes;

cin>>minutes;

See (Hours,minutes);

int i;

cin>>i;

return 0;

}

void See (int hours,int minutes)

{

cout<< "Time:" <

}

C + + learning experience