Write a function that displays a menu that allows the user to do the following:

ID: 3781162 • Letter: W

Question

Write a function that displays a menu that allows the user to do the following: Convert a temperature from Celsius to Fahrenheit using the formula F = 9/5 C + 32. Convert a temperature from Fahrenheit to Celsius using the formula C = 5/9 (F - 32) Quit the program. Read the choice from the user. If the user chose 1 or 2, first call a subroutine to get a temperature from the user. Then, pass the temperature as a parameter to the appropriate function and return the converted temperature. Output the returned converted temperature, and then display the menu once again. If the user chose 3. quit the program. A sample run is included below: Fahrenheit to Celsius Celsius to Fahrenheit Quit Please select one of the above: 1 Please enter a Fahrenheit temperature: 212 212.00 Fahrenheit degrees is 100.00 Celsius degrees. Fahrenheit to Celsius Celsius to Fahrenheit Quit Please select one of the above: 2 Please enter a Celsius temperature: 0 0. 00.Celsius degrees is 32.00 Fahrenheit degrees. Fahrenheit to Celsius Celsius to Fahrenheit Quit Please select one of the above: 4 Please enter a valid choice. Fahrenheit to Celsius Celsius to Fahrenheit Quit Please select one of the above: 3

Explanation / Answer

#include<iostream>
#include<conio.h>
#include<iomanip>

using namespace std;
double FahrToCel(double fahr);
double CelToFahr(double celsius);
int main()
{
   cout << "Menu" << endl;
   cout << "1 . Convert Fahrenheit to Celsius" << endl;
   cout << "2 . Convert Celsius to Fahrenheit" << endl;
   cout << "3 . Quit" << endl;

   cout << "Enter your choice:" ;
   int choice = 0;
   cin >> choice;

   //cases
   switch(choice)
   {
   case 1:
       {
           cout << "Enter temperature in Fahrenheit ";
           double fahr = 0.0;
           cin >> fahr;

double celsius = FahrToCel( fahr );// function call

           cout << " " << fahr << (char)248 << " Fahrenheit is " << fixed << setprecision(2) //decmal upto 2
               << celsius << (char)248 << " Celsius" << endl;
           break;
       }

   case 2:
       {
           cout << "Enter temperature in Celsius ";
           double celsius = 0.0;
           cin >> celsius;
           double fahr = CelToFahr( celsius );
           cout << " " << celsius << (char)248 << " celsius is " << fixed << setprecision(2)
               << fahr << (char)248 << " Fahrenheit" << endl;
           break;
       }
   case 3:
       {
           cout <<"Ended" << endl;
           cout << " Press any key to continue...";
           getch();
       }
   }
   return 0;
}
double FahrToCel (double fahr)
{
   return (5.0/9.0)*(fahr -32.0);;
}

double CelToFahr( double celsius )
{
return (celsius*9.0/5.0)+32.0;
}

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Write a function that displays a menu that allows the user to do the following:

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