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 CALCULATORHclass Calculator { public: // TODO: Declare default constructor // TODO: Declare member functions - // Add(), Subtract(), Multiply(), Divide(), Clear(), GetValue() private: // TODO: Declare private data member - value};#endifCalculator.cpp:#include <iostream>#include "Calculator.h"using namespace std;// TODO: Define default constructor // TODO: Define member functions -// Add(), Subtract(), Multiply(), Divide(), Clear(), GetValue() 9.37 LAB: Calculator classGiven 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 thefollowing 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 memberGiven two double input values num1 and num2, the program outputs the following values:1. The initial value of the data member, value2. The value after adding num13. The value after multiplying by 34. The value after subtracting num25. The value after dividing by 26. The value after calling the clear() methodEx: If the input is:10.0 5.0the output is:0.010.030.025.012.50.0

Note: This code should be rewritten instead of copying to the compiler otherwise it will throw a…

main.cpp: #include #include #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 #include "Calculator.h" using namespace std; // TODO: Define default constructor // TODO: Define member functions - // Add(), Subtract(), Multiply(), Divide(), Clear(), GetValue()

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

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()

9.37 LAB: Calculator class
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:
1. The initial value of the data member, value
2. The value after adding num1
3. The value after multiplying by 3
4. The value after subtracting num2
5. The value after dividing by 2
6. 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

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