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 ebill{

private:

    float bill,punits,newu,un,up;

public:

    void caluclation();

};

void ebill::caluclation(){

cout<<"Please Enter the units of last month"<<endl;

cin>>punits;

cout<<"Please Enter the current units"<<endl;

cin>>newu;

cout<<"Please Enter the price of units in your country"<<endl;

cin>>up;

un=newu-punits;

if(un<300){

    bill=up*un;

    cout<<"your total bill is "<<bill<<endl;

}

else if(un>300){

    bill=(up*un*5)/100;

    cout<<"your total bill is "<<bill<<endl;

}

else {

    cout<<"There is problem with your units please recheck them."<<endl;

}

}

int main(){

ebill obj;

obj.caluclation();

}

Written in C++

Source

Made in Visual C++ IDE

Source

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