Given main(), complete the Calculator class (in files Calculator.h and Calculator.cpp) that emulates basic functions of a calculator: add, subtract, multiple, divide, and clear. The class has one private data member called value for the calculator's current value. Implement the following constructor and public member functions as listed below: Calculator() - default constructor to set the data member to 0.0 void Add(double val) - add the parameter to the data member void Subtract(double val) - subtract the parameter from the data member void Multiply(double val) - multiply the data member by the parameter void Divide(double val) - divide the data member by the parameter void Clear( ) - set the data member to 0.0 double GetValue( ) - return the data member
Given main(), complete the Calculator class (in files Calculator.h and Calculator.cpp) that emulates basic functions of a calculator: add, subtract, multiple, divide, and clear. The class has one private data member called value for the calculator's current value. Implement the following constructor and public member functions as listed below: Calculator() - default constructor to set the data member to 0.0 void Add(double val) - add the parameter to the data member void Subtract(double val) - subtract the parameter from the data member void Multiply(double val) - multiply the data member by the parameter void Divide(double val) - divide the data member by the parameter void Clear( ) - set the data member to 0.0 double GetValue( ) - return the data member
Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Answer this iin C++:
Given main(), complete the Calculator class (in files Calculator.h and Calculator.cpp) that emulates basic functions of a calculator: add, subtract, multiple, divide, and clear. The class has one private data member called value for the calculator's current value. Implement the following constructor and public member functions as listed below:
- Calculator() - default constructor to set the data member to 0.0
- void Add(double val) - add the parameter to the data member
- void Subtract(double val) - subtract the parameter from the data member
- void Multiply(double val) - multiply the data member by the parameter
- void Divide(double val) - divide the data member by the parameter
- void Clear( ) - set the data member to 0.0
- double GetValue( ) - return the data member
Given two double input values num1 and num2, the program outputs the following values:
- The initial value of the data member, value
- The value after adding num1
- The value after multiplying by 3
- The value after subtracting num2
- The value after dividing by 2
- The value after calling the clear() method
Ex: If the input is:
10.0
5.0
the output is:
0.0
10.0
30.0
25.0
12.5
0.0
main.cpp
#include <iostream>
#include <iomanip>
#include "Calculator.h"
using namespace std;
int main() {
Calculator calc;
double num1;
double num2;
cin >> num1;
cin >> num2;
cout << fixed << setprecision(1);
// 1. The initial value
cout << calc.GetValue() << endl;
// 2. The value after adding num1
calc.Add(num1);
cout << calc.GetValue() << endl;
// 3. The value after multiplying by 3
calc.Multiply(3);
cout << calc.GetValue() << endl;
// 4. The value after subtracting num2
calc.Subtract(num2);
cout << calc.GetValue() << endl;
// 5. The value after dividing by 2
calc.Divide(2);
cout << calc.GetValue() << endl;
// 6. The value after calling the clear() method
calc.Clear();
cout << calc.GetValue() << endl;
return 0;
}
Calculator.h
#ifndef CALCULATORH
#define CALCULATORH
class Calculator {
public:
// TODO: Declare default constructor
// TODO: Declare member functions -
// Add(), Subtract(), Multiply(), Divide(), Clear(), GetValue()
private:
// TODO: Declare private data member - value
};
#endif
Calculator.cpp
#include <iostream>
#include "Calculator.h"
using namespace std;
// TODO: Define default constructor
// TODO: Define member functions -
// Add(), Subtract(), Multiply(), Divide(), Clear(), GetValue()
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