Program

A program is set of instruction given by user to computer to perform a specific task.computer program, in depth intend or else process in lieu of solving a riddle by means of a computer; supplementary specifically, an unambiguous, well thought-out string of computational advice indispensable near attain such a solution. 

Program Body

#include<iostream>

#include <string>

#include<math.h>

using namespace std;

class circle{

private:

    float pi,r,area;

public:

    void caluclation();

};

void circle::caluclation(){

pi=3.14;

cout<<"please enter the radius of circle"<<endl;

cin>>r;

area=pi*r*r;

cout<<"Are of circle is "<<area<<endl;

}

int main(){

circle obj;

obj.caluclation();

}

Written in C++

Source

made in Visual C++ IDE

Source
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