I seem to be asking alot of questions but C++ is fun !:D I was wandering how I could get my program to exit whenever 7 is entered and I was wandering about how I would clear the screen when the user wnats to do another calculation.
Code:#include <iostream>
unsigned short int MenuAndMenuChoice();
double Add();
double Subtract();
double Multiply();
double Divide();
double CircleArea();
double CircleCircumference();
int main()
{
//Function - MenuAndMenuChoice is called to print the menu and get the user's choice
switch (MenuAndMenuChoice())
{
//A descision is then made hear depending on what the user entered
case 1: std::cout << "\nThe two numbers added together equal: " << Add();
break;
case 2: std::cout << "\nThe second number subtracted from the first number equals: " << Subtract();
break;
case 3: std::cout << "\nThe first number multiplied by the second equals: " << Multiply();
break;
case 4: std::cout << "\nThe first number divided by the second equals: " << Divide();
break;
case 5: std::cout << "\nThe circle's area is: " << CircleArea();
break;
case 6: std::cout << "\nThe circle's circumference is: " << CircleCircumference();
break;
}
std::cin.get();
return 0;
}
//Function MenuAndMenuChoice code starts here
unsigned short int MenuAndMenuChoice()
{
int MenuChoice;
std::cout << "1.Add\n";
std::cout << "2.Subtract\n";
std::cout << "3.Multiply\n";
std::cout << "4.Divide\n";
std::cout << "5.Circle Area\n";
std::cout << "6.Circle Circumference\n";
std::cout << "7.Exit\n\n";
std::cout << "What would you like to do? ";
std::cin >> MenuChoice;
return MenuChoice;
}
//Function Add code starts here
double Add()
{
double FirstNumber, SecondNumber, AddAnswer;
std::cout << "\nWhat is the first number: ";
std::cin >> FirstNumber;
std::cin.ignore(80,'\n');
std::cout << "What is the second number: ";
std::cin >> SecondNumber;
std::cin.ignore(80,'\n');
AddAnswer = FirstNumber + SecondNumber;
return AddAnswer;
}
//Function Subtract code starts here
double Subtract()
{
double FirstNumber, SecondNumber, SubtractAnswer;
std::cout << "\nWhat is the first number: ";
std::cin >> FirstNumber;
std::cin.ignore(80,'\n');
std::cout << "What number would you like to take away from the first number: ";
std::cin >> SecondNumber;
std::cin.ignore(80,'\n');
SubtractAnswer = FirstNumber - SecondNumber;
return SubtractAnswer;
}
//Function Multiply code starts here
double Multiply()
{
double FirstNumber,SecondNumber, MultiplyAnswer;
std::cout << "\nWhat is the first number: ";
std::cin >> FirstNumber;
std::cin.ignore(80,'\n');
std::cout << "What do you want to multiply the first number by: ";
std::cin >> SecondNumber;
std::cin.ignore(80,'\n');
MultiplyAnswer = FirstNumber * SecondNumber;
return MultiplyAnswer;
}
//Function Divide code starts here
double Divide()
{
double FirstNumber, SecondNumber, DivideAnswer;
std::cout << "\nWhat is the first number: ";
std::cin >> FirstNumber;
std::cin.ignore(80,'\n');
std::cout << "What do you want to divide the first number by: ";
std::cin >> SecondNumber;
std::cin.ignore(80,'\n');
DivideAnswer = FirstNumber / SecondNumber;
return DivideAnswer;
}
//Function CircleArea code starts here
double CircleArea()
{
double CircleRadius, CircleAreaAnswer;
const double Pi = 3.141592654;
std::cout << "\nWhat is the circle's radius: ";
std::cin >> CircleRadius;
std::cin.ignore(80,'\n');
CircleAreaAnswer = Pi*CircleRadius*CircleRadius;
return CircleAreaAnswer;
}
//Function CircleCircumference code starts here
double CircleCircumference()
{
double CircleRadius, CircleCircumferenceAnswer;
const double Pi = 3.141592654;
std::cout << "\nWhat is the circle's radius: ";
std::cin >> CircleRadius;
std::cin.ignore(80,'\n');
CircleCircumferenceAnswer = 2*Pi*CircleRadius;
return CircleCircumferenceAnswer;
}
