QUADRATIC EQUATIONS CALCULATOR2

QUADRATICEQUATIONS2.cpp

#include <iostream>
#include <math.h>
#include <windows.h>
#include <conio.h>

using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
void progressbar(){
	cout<<"\t\t    ";
/*Loading bar*/
for(int i=0; i<100/5; i++){
			cout<<(char)177;
			}
			cout<<"<<\r\t\t\t";
				for(int i = 0; i<=100; i++){
        cout << "\r\t\t  "   << i << "% completed   >>" ;
       for (int o=1;o<i/5;o++){
    cout<<(char)219;
             }
                   switch (i% 4)
            {
                case 0: cout<<"\r\t\t/"; break;
                case 1: cout<<"\r\t\t-"; break;
                case 2: cout<<"\r\t\t\\"; break;
                case 3: cout<<"\r\t\t-"; break;
            }
    Sleep(50);
         }
          cout<<endl;
}
int main(int argc, char** argv) {
int a,b,c,i,d,answer;
char again;
do{


cout<<"\t ~WELCOME TO THE QUADRATIC EQUATIONS CALCULATOR~\n";
cout<<"\t ~Please Choose Which Calculation You Want To Do~\n\t 1-EXPONENTATION\n\t 2-nth-Root\n\t 3-Exit\n";

cin>>i;
cout<<"\t";
//tester
if(cin.fail()||i>3||i<1){
	    cin.clear();
	        cin.ignore(10, '\n');



cout<<"\t -Please Choose 1,2 or 3 please don't write any other value";
cout<<"\n\t -Please write it again";
cin>>i;
if(cin.fail()){
cout<<"\n\n\n\t -You KICKED.";
break;

}

}
//tester
 
if (i==1){

cout<<"\t-Enter The Base:";
cin>>a;
//tester
if(cin.fail()){
	    cin.clear();
	        cin.ignore(10, '\n');


cout<<"\t -Its  Not a number\n\t -Please write it again\n";
cout<<"\t -Please write a positive or negative value(it must be a number):";
cin>>a;
if(cin.fail()){
cout<<"\n\n\n\t -Please next time try to write a number...";
break;

}

}
//tester
cout<<"\n\t-Enter The Exponent:";
cin>>b;
//tester
if(cin.fail()){
	    cin.clear();
	        cin.ignore(10, '\n');


cout<<"\t -Its  Not a number\n\t -Please write it again\n";
cout<<"\t -Please write a positive or negative value(it must be a number):";
cin>>b;
if(cin.fail()){
cout<<"\n\n\n\t -Please next time try to write a number...";
break;

}

}
//tester

answer=pow(a,b);


cout<<"\t -Please wait we are calculating your answer...\n\t\t    ";
progressbar();
cout<<"\n=======================>  "<<a<<" ^ "<<b<<" = "<<answer<<endl<<endl;


}
else if(i==2){
	cout<<"\t-Choose The Base To Find The Root of The Number:";
	cin>>a;
	//tester
if(cin.fail()){
	    cin.clear();
	        cin.ignore(10, '\n');


cout<<"\t -Its  Not a number\n\t -Please write it again\n";
cout<<"\t -Please write a positive or negative value(it must be a number):";
cin>>b;
if(cin.fail()){
cout<<"\n\n\n\t -Please next time try to write a number...";
break;

}

}
//tester
	cout<<"\n\tChoose The Root:";
	cin>>b;
	//tester
if(cin.fail()){
	    cin.clear();
	        cin.ignore(10, '\n');


cout<<"\t -Its  Not a number\n\t -Please write it again\n";
cout<<"\t -Please write a positive or negative value(it must be a number):";
cin>>b;
if(cin.fail()){
cout<<"\n\n\n\t -Please next time try to write a number...";
break;

}

}
//tester
	
	cout<<"\t -Please wait we are calculating your answer...\n\t\t    ";
progressbar();
	answer=pow(a,float(1)/b);	
	cout<<"\n=======================> "<<b<<" root "<<a<<" = "<<answer<<endl;
	
	
}
else if(i==3){
	
 cout<<"Good BYE"; 
 break;
}
cout<<"\n\t\t ~Do you wanna continue?[Y/N]~";
cin>>again;
cout<<endl;
}while(again=='y'||again=='Y');

	return 0;
}