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calc.cpp
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calc.cpp
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#include <iostream>
float getValue1()
{
std::cout << "enter the first number: " << std::endl;
float num1{};
std::cin >> num1;
return num1;
}
float getValue2()
{
std::cout << "enter the second number: " << std::endl;
float num2{};
std::cin >> num2;
return num2;
}
int main()
{
std::cout << "hello!" << std::endl;
int op{};
system("pause");
std::cout << "pick an operation" << std::endl;
std::cout << "addition: 1" << std::endl;
std::cout << "subtraction: 2" << std::endl;
std::cout << "multiplication: 3" << std::endl;
std::cout << "division: 4" << std::endl;
std::cin >> op;
float x = getValue1();
float y = getValue2();
//addition
if (op == 1)
{
std::cout << "the answer is " << x + y << std::endl;
}
//subtraction
if (op == 2)
{
std::cout << "the answer is " << x - y << std::endl;
}
//multiplication
if (op == 3)
{
std::cout << "the answer is " << x * y << std::endl;
}
//division
if (op == 4)
{
std::cout << "the answer is " << x / y << std::endl;
}
//end of program
system("pause");
}